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Anisotropy patents

      

This page is updated frequently with new Anisotropy-related patent applications.




Date/App# patent app List of recent Anisotropy-related patents
08/18/16
20160237350 
 Liquid crystal composition and liquid crystal display device patent thumbnailLiquid crystal composition and liquid crystal display device
A liquid crystal composition has the nematic phase and contains a specific compound having large positive dielectric anisotropy as a first component, a specific compound having small viscosity as a second component, and may contain a specific compound having high maximum temperature or small viscosity as a third component, a specific compound having large positive dielectric anisotropy as a fourth component or a specific compound having negative dielectric anisotropy as a fifth component, and a liquid crystal display device includes the composition.. .
Jnc Petrochemical Corporation


08/18/16
20160237349 
 Nematic liquid crystal composition and liquid crystal display device using the same patent thumbnailNematic liquid crystal composition and liquid crystal display device using the same
There is provided a liquid crystal composition having the following properties without reductions in refractive index anisotropy (Δn) and nematic phase-isotropic liquid phase transition temperature (tni): sufficiently small viscosity (η), sufficiently small rotational viscosity (γ1), a large elastic constant (k33), and negative dielectric anisotropy (Δ∈) with a large absolute value. There is also provided a liquid crystal display device of, for example, a va type in which such a liquid crystal composition is used and which has a high response speed and excellent display quality with defective display being eliminated or reduced.
Dic Corporation


08/18/16
20160237347 
 Nematic liquid crystal composition and liquid crystal display device using the same patent thumbnailNematic liquid crystal composition and liquid crystal display device using the same
Without reductions in refractive index anisotropy (Δn) and nematic phase-isotropic liquid phase transition temperature (tni), the liquid crystal composition has sufficiently low solid phase-nematic phase transition temperature (tcn), sufficiently small viscosity (η), sufficiently small rotational viscosity (γ1), a large elastic constant (k33), and negative dielectric anisotropy (Δ∈) with a large absolute value. The liquid crystal composition contains a first component that is a compound represented by formula (n2), a second component that is at least one compound represented by general formula (n3), and a third component that is at least one compound having a negative dielectric anisotropy (Δ∈) with an absolute value of greater than three.
Dic Corporation


08/18/16
20160236358 
 Nano-/micro-actuator and gripper with patterned magnetic thin film and method thereof patent thumbnailNano-/micro-actuator and gripper with patterned magnetic thin film and method thereof
The present invention discloses the fabrication of nano-/micro-actuator and gripper with patterned magnetic thin film. The design of the actuator comprised highly flexible stretchable structures and patterned magnetic films.
National Tsing Hua University


08/11/16
20160233418 
 Synthetic antiferromagnet (saf) coupled free layer for perpendicular magnetic tunnel junction (p-mtj) patent thumbnailSynthetic antiferromagnet (saf) coupled free layer for perpendicular magnetic tunnel junction (p-mtj)
A magnetic tunnel junction (mtj) device in a magnetoresistive random access memory (mram) and method of making the same are provided to achieve a high tunneling magnetoresistance (tmr), a high perpendicular magnetic anisotropy (pma), good data retention, and a high level of thermal stability. The mtj device includes a first free ferromagnetic layer, a synthetic antiferromagnetic (saf) coupling layer, and a second free ferromagnetic layer, where the first and second free ferromagnetic layers have opposite magnetic moments..
Qualcomm Incorporated


08/11/16
20160233274 
 Organic light-emitting display apparatus patent thumbnailOrganic light-emitting display apparatus
An organic light-emitting display apparatus includes: a display substrate; at least one thin film transistor (tft) on the display substrate; an organic light-emitting diode (oled) electrically connected to the tft, the oled including: a first electrode on each sub-pixel on the display substrate; an intermediate layer on the first electrode; and a second electrode on the intermediate layer; an encapsulation substrate covering the oled; a filler filling a space between the display substrate and the encapsulation substrate, the filler including scatterers having optical anisotropy; and a color filter between the encapsulation substrate and the filler, the color filter including a color filter electrode at a surface of the color filter.. .
Samsung Display Co., Ltd.


08/11/16
20160232959 
 Spin-orbit-torque magnetoresistive random access memory with voltage-controlled anisotropy patent thumbnailSpin-orbit-torque magnetoresistive random access memory with voltage-controlled anisotropy
Methods and apparatus relating to spin-orbit-torque magnetoresistive random access memory with voltage-controlled anisotropy are disclosed. In an example, disclosed is a three-terminal magnetic tunnel junction (mtj) storage element that is programmed via a combination of voltage-controlled magnetic anisotropy (vcma) and spin-orbit torque (sot) techniques.
Qualcomm Incorporated


08/11/16
20160231438 
 System for measuring radioactivity in a gamma background noise patent thumbnailSystem for measuring radioactivity in a gamma background noise
A method and a device for compensation-based measurement of the alpha and/or beta radioactivity in a gamma background noise comprising a compensation probe comprises a first sensor allowing the measurement of the alpha and/or beta and gamma radioactivity and a second sensor not allowing the measurement of the alpha and/or beta radioactivity but allowing the measurement of the gamma radioactivity; wherein the sensors are arranged to be exposed substantially to the same gamma background noise; measurement biases being associated with the geometric arrangement of the sensors on account of the anisotropy of the gamma radiation; the measurement system determines the alpha and/or beta radioactivity by compensation comprising a subtraction between the measurement of alpha and/or beta and gamma radioactivity and the gamma measurement, the compensation minimizing the measurement biases associated with the geometric arrangement of the sensors. Other developments are described to improve the reliability of the radioactivity measurements..
Commissariat A L'energie Atomique Et Aux Energies Alternatives


08/11/16
20160230096 
 Liquid crystal display device and  manufacturing the same patent thumbnailLiquid crystal display device and manufacturing the same
A liquid crystal display device with few drop marks left during manufacture is provided without degrading the image-sticking characteristics of the liquid crystal display device or other characteristics fundamental to liquid crystal display devices, such as dielectric anisotropy, viscosity, upper nematic phase temperature limit, and rotational viscosity (γ1), and a method for manufacturing such a liquid crystal display device is also provided. A liquid crystal display device 10 according to the present invention includes a first substrate 11, a second substrate 12, a liquid crystal composition layer 13 disposed therebetween, and vertical alignment layers 16 and 17 containing a polymer of a monofunctional reactive-group-containing polymerizable compound and a polyfunctional reactive-group-containing polymerizable compound..
Dic Corporation


08/11/16
20160230094 
 Liquid crystal compound having a 3,6-dihydro-2h-pyran ring, negative dielectric anisotropy, liquid crystal composition and liquid crystal display device patent thumbnailLiquid crystal compound having a 3,6-dihydro-2h-pyran ring, negative dielectric anisotropy, liquid crystal composition and liquid crystal display device
In which, z1, z2, z3 and z4 are a single bond; and a, b and c are 0, 1 or 2, for example.. .

08/04/16
20160225890 

Voltage controlled spin switches for low power applications


Spin switch devices with voltage controlled magnetism in ultra-low power usage applications are disclosed. The spin switch devices may be configured to provide ultra-low power and ultra-high speed switching by directly controlling drain or gate electron spins via electric field induced magnetic anisotropy tuned with finite gate voltage.
Globalfoundries Singapore Pte. Ltd.


08/04/16
20160225394 

Magnetic recording medium


The present invention provides a magnetic recording layer that has a high magnetic anisotropy constant ku and a low curie temperature tc, as well as a magnetic recording medium that incorporates such a magnetic recording layer. The magnetic recording medium of the present invention includes a nonmagnetic substrate and a magnetic recording layer containing an ordered alloy.
Fuji Electric Co., Ltd.


08/04/16
20160223827 

Stereoscopic display device


A configuration of a stereoscopic display device that is capable of maintaining crosstalk at a low level even when a viewer moves is provided. A stereoscopic display device (1) includes: a display panel (10) for displaying an image; a switch liquid crystal panel (20) that is arranged so as to be stacked on the display panel (10); a position sensor for acquiring position information of a viewer; and a control unit for moving a parallax barrier in which transmitting regions and non-transmitting regions are formed in periodic fashion in a predetermined alignment direction, in such a manner that the parallax barrier is moved in the predetermined alignment direction in accordance with the position information, and causing the switch liquid crystal panel (20) to display the parallax barrier.
Sharp Kabushiki Kaisha


07/28/16
20160216541 

Liquid crystal display device and driving the same


Provided is a liquid crystal device including a first substrate, a lower electrode, a lower pattern electrode, a second substrate facing the first substrate, an upper electrode, and a liquid crystal layer. The lower electrode is disposed on the first substrate.
Pusan National University Industry-university Cooperation


07/28/16
20160215215 

Nematic liquid crystal composition and liquid crystal display element including same


The present invention relates to a nematic liquid crystal composition useful as a liquid crystal display material, the liquid crystal composition having negative dielectric anisotropy (Δ∈), and to a liquid crystal device element including the liquid crystal composition. The liquid crystal composition of the present invention has sufficiently low viscosity (η), sufficiently low rotational viscosity (γ1), a large elastic constant (k33), and a negative dielectric anisotropy (Δ∈) whose absolute value is large, without reducing the refractive index anisotropy (Δn) or the nematic-isotropic liquid phase transition temperature (tni).
Dic Corporation


07/21/16
20160211446 

Spin transfer torque memory cells


Spin transfer torque memory cells and methods of forming the same are described herein. As an example, spin transfer torque memory cells may include an amorphous material, a storage material formed on the amorphous material, wherein the storage material is substantially boron free, an interfacial perpendicular magnetic anisotropy material formed on the storage material, a reference material formed on the interfacial perpendicular magnetic anisotropy material, wherein the reference material is substantially boron free, a buffer material formed on the reference material and a pinning material formed on the buffer material..
Micron Technology, Inc.


07/21/16
20160211443 

Magnetic random access memory with perpendicular interfacial anisotropy


The present invention is directed to an mram element comprising a magnetic free layer structure and a magnetic reference layer structure with an insulating tunnel junction layer interposed therebetween. The magnetic free layer structure has a variable magnetization direction substantially perpendicular to the layer plane thereof.
Avalanche Technology, Inc.


07/21/16
20160211317 

Systems and methods for integrated multi-layer magnetic films


Integrated multi-layer magnetic films for use in passive devices in microelectronic applications and methods of manufacture thereof. Soft ferromagnetic materials exhibiting high permeability and low coercivity are laminated together with insulating layers interposed.
Ferric Inc.


07/21/16
20160209710 

Liquid crystal display and manufacturing the same


A liquid crystal display includes a first substrate, a gate line on the first substrate, a thin film transistor on the first substrate and connected to the gate line, a first electrode and a second electrode on the first substrate, an insulating layer between the first electrode and the second electrode, a second substrate facing the first substrate, and a liquid crystal layer between the first substrate and the second substrate and including a liquid crystal molecule. One of the first electrode and the second electrode includes a plurality of branch electrodes extending in an extension direction parallel to the gate line, and the other one of the first electrode and the second electrode has a planar shape.
Samsung Display Co., Ltd.


07/21/16
20160208169 

Liquid crystal composition and liquid crystal display device


The liquid crystal composition has the nematic phase, and contains a specific compound having large dielectric anisotropy as a first component and a specific compound having small viscosity as a second component, and may contain a specific compound having a high maximum temperature or small viscosity as a third component, and a specific compound having large dielectric anisotropy as a fourth component, and a liquid crystal display device includes the composition.. .

07/21/16
20160208168 

Liquid crystal composition and liquid crystal display element using same


An object of the present invention is to provide a liquid crystal display element using a liquid crystal composition in which various characteristics of the liquid crystal display element such as dielectric anisotropy, viscosity, a nematic phase upper limit temperature, nematic phase stability at a low temperature, and γ1, and a burn-in characteristic of the display element are not deteriorated. The present invention provides a liquid crystal composition having excellent low temperature stability while maintaining a high speed response of the liquid crystal composition by using a liquid crystal composition containing a compound represented by general formula (a) and a compound represented by general formula (m), and a liquid crystal display element including the composition..
Dic Corporation


07/21/16
20160207277 

Multilayer composite interior component


A laminated composite interior component including a first member having a predetermined mating surface, and a second member made of an elastically deformable resin material, having a plate portion substantially parallel to the mating surface and multiple solid protrusions formed integrally with the plate portion so as to protrude toward the mating surface so that space is created between the plate portion and the mating surface, and placed on the first member such that the protrusions contact the mating surface, and the laminated composite interior component having cushioning properties as tip ends of the protrusions are pressed against the mating surface and elastically deformed, the multiple protrusions being provided so as to spread all over the plate portion, and flexural rigidity of each protrusion against a compressive load having anisotropy around an axis perpendicular to the plate portion, and each of the multiple protrusions having a longitudinal shape in a transverse section parallel to the plate portion, the protrusion having one or more stepped portions so as to have a smaller section on its tip end side, the stepped portion being formed in only one of a pair of sidewalls located on both sides in a lateral direction perpendicular to a longitudinal direction of the longitudinal shape, and an axis of the protrusion being tilted toward an opposite sidewall side from the side on which the stepped portion is formed.. .
Toyoda Iron Works Co., Ltd.


07/14/16
20160200980 

Liquid crystal compound having tetrafluoro cyclohexadiene structure showing negative anisotropy, liquid crystal composition, and liquid crystal display device


A liquid crystal compound is represented by the formula (1). For example, in the formula (1): r1 and r2 each represent an alkyl having 1 to 10 carbon atoms, an alkenyl having 2 to 10 carbon atoms, or an alkoxy having 1 to 9 carbon atoms; a ring a1 and a ring a2 each represent 1,4-cyclohexylene or 1,4-phenylene; z1 and z2 each represent a single bond, —(ch2)2—, —ch═ch—, —coo—, —oco—, —cf2o—, —ocf2—, —ch2o—, or —och2—; and a and b each represent 0, 1, 2, or 3 and the sum of a and b is 4 or less..
Jnc Petrochemical Corporation


07/07/16
20160197269 

Spin-transfer torque magnetic random access memory with perpendicular magnetic anisotropy multilayers


The present invention is directed to a spin transfer torque magnetic random access memory (sttmram) element comprising a composite free layer including one or more stacks of a bilayer unit that comprises an insulator layer and a magnetic layer with the magnetic layer having a variable magnetization direction substantially perpendicular to a layer plane thereof; a magnetic pinned layer having a first fixed magnetization direction substantially perpendicular to a layer plane thereof; a tunnel barrier layer formed between the composite free layer and the magnetic pinned layer; and a magnetic fixed layer coupled to the magnetic pinned layer through an anti-ferromagnetic coupling layer. The magnetic fixed layer has a second fixed magnetization direction that is substantially perpendicular to a layer plane thereof and is substantially opposite to the first fixed magnetization direction..
Avalanche Technology, Inc.


07/07/16
20160197267 

Method and system for providing a bottom pinned layer in a perpendicular magnetic junction usable in spin transfer torque magnetic random access memory applications


A magnetic junction and method for providing the magnetic junction are described. The magnetic junction includes free and pinned layers separated by a nonmagnetic spacer layer.
Samsung Electronics Co., Ltd.


07/07/16
20160196859 

Method and system for programming magnetic junctions utilizing high frequency magnetic oscillations


A magnetic memory and methods for providing and programming the magnetic memory are described. The memory includes storage cells, magnetic oscillator(s) and bit lines.
Samsung Electronics Co., Ltd.


06/30/16
20160190437 

In-situ annealing to improve the tunneling magneto-resistance of magnetic tunnel junctions


Embodiments are directed to a magnetic tunnel junction (mtj) memory cell that includes a reference layer formed from a perpendicular magnetic anisotropy (pma) reference layer and an interfacial reference layer. The mtj further includes a free layer and a tunnel barrier positioned between the interfacial reference layer and the free layer.

06/30/16
20160190435 

In-situ annealing to improve the tunneling magneto-resistance of magnetic tunnel junctions


Embodiments are directed to a magnetic tunnel junction (mtj) memory cell that includes a reference layer formed from a perpendicular magnetic anisotropy (pma) reference layer and an interfacial reference layer. The mtj further includes a free layer and a tunnel barrier positioned between the interfacial reference layer and the free layer.

06/30/16
20160187739 

Liquid crystal display device


A liquid crystal display device includes: a first substrate; a second substrate facing the first substrate; and a liquid crystal layer sandwiched between the first substrate and the second substrate. The first substrate has thereon a first planar electrode, a first dielectric layer on the first planar electrode, and a pair of comb-shaped electrodes on the first dielectric layer.

06/30/16
20160187521 

Multi-frequency electromagnetic tensor measurements


An electromagnetic measurement tool for making multi-frequency, full tensor, complex, electromagnetic measurements includes a triaxial transmitter and a triaxial receiver deployed on a tubular member. An electronic module is configured to obtain electromagnetic measurements at four or more distinct frequencies.

06/30/16
20160187512 

Detecting and estimating anisotropy errors using full waveform inversion and ray based tomography


anisotropy errors in seismic velocity data for a geophysical structure are detecting by obtaining seismic data for the geophysical structure, using conventional ray-based tomography to generate an initial model of the geophysical structure, the initial model containing initial values for thomsen parameters velocity along an axis of symmetry, epsilon and delta, using a first inversion process preferably transmission-based full waveform inversion of the seismic data to obtain updated values for epsilon and using a second inversion process preferably ray-based reflection tomography of the seismic data to obtain updated values for velocity along the axis of symmetry.. .

06/30/16
20160187448 

Analysis for quantifying microscopic diffusion anisotropy


The present invention describes a method for quantifying microscopic diffusion anisotropy and/or mean diffusivity in a material by analysis of echo attenuation curves acquired with two different gradient modulations schemes, wherein one gradient modulation scheme is based on isotropic diffusion weighting and the other gradient modulation scheme is based on non-isotropic diffusion weighting, and wherein the method comprises analyzing by comparing the signal decays of the two acquired echo attenuation curves.. .

06/30/16
20160187266 

System and measurement of material property using variable reflector


A system and method for measuring a material includes at least one transmitter for transmitting a first signal and a second signal. A variable reflector reflects a portion of the first signal at a first reflecting property to produce a first reflected signal, the portion of the first signal having traveled through the material.

06/30/16
20160186557 

Method and apparatus of determining stiffness coefficients of formation


The present invention proposes a method and apparatus of determining stiffness coefficients of formation. In some embodiments, the invention includes setting up a relation of stiffness coefficients of formation c11 and c33, c44, c66; computing clay content of formation along depth continuously; computing the stiffness coefficient of formation c33 along depth continuously; computing the stiffness coefficient of formation c44 along depth continuously; and depending on the calculations above, the relation of stiffness coefficients of formation c11 and c33, c44, c66, and a relation of an anisotropy coefficient of the p-wave of the formation and its clay content or a relation of an anisotropy coefficient of the s-wave of the formation and its clay content, computing the stiffness coefficients of formation c11 and c66 along depth continuously..

06/30/16
20160186059 

Nematic liquid crystal composition


A liquid crystal composition that has a positive dielectric anisotropy and a sufficiently low viscosity and that causes no display defects when used in liquid crystal display devices is provided without decreasing or increasing the refractive index anisotropy or nematic phase-isotropic liquid phase transition temperature. This liquid crystal composition contains at least one compound selected from compounds represented by general formula (lc0) and at least one compound selected from the group consisting of compounds represented by general formulas (lc1) to (lc5).

06/23/16
20160182010 

Acoustic wave device


An acoustic wave device includes: a piezoelectric substrate; and an idt formed on the piezoelectric substrate, wherein an anisotropy coefficient is positive, an overlap region where electrode fingers of the idt overlap each other includes a center region and an edge region, the electrode fingers in the center and edge regions are continuously formed, the electrode finger in the edge region is inclined with respect to the electrode finger in the center region so that a pitch in a width direction of the electrode finger in the edge region is greater than a pitch in a width direction of the electrode finger in the center region, and an angle between the width direction in the center region and a crystal axis orientation of the piezoelectric substrate is less than an angle between the width direction in the edge region and the crystal axis orientation.. .

06/23/16
20160181513 

Semiconductor structures and devices and methods of forming semiconductor structures and magnetic memory cells


A magnetic cell includes a magnetic region formed from a precursor magnetic material comprising a diffusive species and at least one other species. An amorphous region is proximate to the magnetic region and is formed from a precursor trap material comprising at least one attracter species having at least one trap site and a chemical affinity for the diffusive species.

06/23/16
20160180874 

Hard magnetic alloy thin film used in high density perpendicular magnetic recording medium


This invention discloses a hard magnetic alloy thin film used in a high density perpendicular magnetic recording medium. This film incorporates a glass substrate and a ferromagnetic layer formed on the glass substrate.

06/23/16
20160178947 

Liquid crystal display device and equipment mounted with liquid crystal display device


A driving method of a liquid crystal display element, the method includes preparing the liquid crystal display element which comprises (i) first and second substrates placed opposite each other, wherein on a pair of opposing surfaces of the first and second substrates, a pair of opposing electrodes constituting a display area are provided and a pair of vertically oriented films are provided at least one of which has been provided with an orientation treatment aimed at introducing a pretilt in a liquid crystal layer, (ii) the liquid crystal layer sandwiched between the first and second substrates that contains liquid crystal material with negative dielectric anisotropy and is vertically oriented with slight tilting, (iii) a layer disposed at least between one of the pair of vertically oriented films and the liquid crystal layer, and designed to reinforce vertical orientation control over liquid crystal molecules of the liquid crystal layer, and (iv) first and second polarizing plates that are placed, in a crossed nicol arrangement, on surfaces of the first and second substrates located on opposite sides to the liquid crystal layer and that have absorption axes each at a 45° angle to an orientation direction of the liquid crystal molecules located in a mid-thickness region of the liquid crystal layer, wherein a pretilt angle in the liquid crystal layer of the liquid crystal display element is 87° or more and 89.52° or less, and putting the display area on alternating bright/dark display at a frequency of 0.5 hz to 5 hz under a condition that the liquid crystal display element is subjected to 2 hz to 30 hz vibrations or 0.5 hz to 3 hz external forces.. .

06/23/16
20160178360 

Surface shape measuring apparatus


In related art, consideration is not given to that a spatial distribution of scattered light changes in various direction such as forward/backward/sideways according to a difference in micro roughness. Particularly, although a step-terrace structure appearing on an epitaxial growth wafer produces anisotropy in the scattered light distribution, consideration is not given to this point in the related art.

06/23/16
20160177180 

Liquid crystal composition and liquid crystal display device


A liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of nematic phase, a low minimum temperature of nematic phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, large specific resistance, and high stability to uv light and heat, or having a suitable balance regarding at least two thereof, and an am device including the composition and having a short response time, a large voltage holding ratio, a large contrast ratio or a long service life are shown. The composition has the nematic phase and contains a specific compound having large dielectric anisotropy as a first component, a specific compound having small viscosity as a second component, and may contain a specific compound having a high maximum temperature or small viscosity as a third component and a specific compound having large dielectric anisotropy as a fourth component.

06/23/16
20160174845 

Apparatus for the non-invasive measurement of tissue function and metabolism by determination of steady-state fluorescence anisotropy


A non-invasive measurement of biological tissue reveals information about the function of that tissue. Polarized light is directed onto the tissue, stimulating the emission of fluorescence, due to one or more endogenous fluorophors in the tissue.

06/16/16
20160172582 

Magnetoresistive memory element having a metal oxide tunnel barrier


A magnetoresistive memory array including a plurality of magnetoresistive memory elements wherein each magnetoresistive memory element comprises a free layer including at least one ferromagnetic layer having perpendicular magnetic anisotropy, a fixed layer, and a tunnel barrier, disposed between and in contact with the free and fixed layers. The tunnel barrier includes a first metal-oxide layer, having a thickness between 1 and 10 angstroms, a second metal-oxide layer, having a thickness between 3 and 6 angstroms, disposed on the first metal-oxide layer, and a third metal-oxide layer, having a thickness between 3 and 6 angstroms, disposed over the second metal-oxide layer.
Everspin Technologies, Inc.


06/16/16
20160172579 

Voltage-controlled magnetic device operating over a wide temperature range


A voltage-controlled spintronic device includes a magnetic layer having an effective anisotropy keff; a non-magnetic insulating layer; a contact layer; the magnetic layer having an anisotropy switching threshold such that application of a polarisation voltage vmax allows switching of the effective anisotropy keff from a direction perpendicular to the reference plane to a direction in the reference plane or vice versa, the magnetic layer including a first layer, with thickness tb, having a volume anisotropy kvb; a second layer, with thickness ta, having a surface anisotropy ksa and a volume anisotropy kva; the surface anisotropy ksa and the volume anisotropies kva and kvb respecting, over a given operating temperature range: min(ksa(v=0), ksa(v=vmax))<−{kvbtb+kvata)<max(ksa(v=0), ksa(v=vmax)). Ksa(v=0) is the surface anisotropy when no polarisation voltage is applied.
Universite Joseph Fourier Grenoble


06/16/16
20160170268 

Curved liquid crystal display


A curved liquid crystal display is provided. The curved liquid crystal display includes: a first curved substrate; a second curved substrate; a liquid crystal layer including liquid crystal molecules having negative dielectric anisotropy, the liquid crystal layer being interposed between the first and second curved substrates; a first curved liquid crystal alignment layer interposed between the liquid crystal layer and the first curved substrate; and a second curved liquid crystal alignment layer interposed between the liquid crystal layer and the second curved substrate.
Samsung Display Co., Ltd.


06/16/16
20160168463 

Liquid crystal composition and liquid crystal display device


A liquid crystal composition satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light and heat, or has a suitable balance regarding at least two of the characteristics. The composition contains a specific compound having high stability to ultraviolet light as a first component, and a liquid crystal display device includes the composition.
Jnc Petrochemical Corporation


06/16/16
20160168462 

Nematic liquid crystal composition and liquid crystal display device including the same


The present invention relates to nematic liquid crystal compositions having a negative dielectric anisotropy (Δ∈) and useful as liquid crystal display materials and to liquid crystal display devices including such liquid crystal compositions. The present invention provides a liquid crystal composition with sufficiently low viscosity (η), sufficiently low rotational viscosity (γ1), high elastic constant (k33), and a dielectric anisotropy (Δ∈) large in absolute value without decreasing the refractive index anisotropy (Δn) or nematic-isotropic liquid phase transition temperature (tni) thereof.
Dic Corporation


06/16/16
20160168461 

Cyclopropyl-bearing liquid crystal compounds and mixtures


The present invention is directed to compounds of the following general formula i. The cyclopropyl-bearing liquid crystal compounds of formula i of the present invention have a positive or negative dielectric anisotropy (Δε), an appropriate optical anisotropy (Δn), an appropriate clearing point (cp), good low-temperature miscibility with other liquid crystals, a low rotary viscosity, and good uv stability and high-temperature thermal stability, and therefore have good use value.
Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd.


06/09/16
20160163964 

Magnetoresistive memory element and fabricating same


A magnetoresistive memory element (e.g., a spin-torque magnetoresistive memory element) includes a fixed magnetic layer, a free magnetic layer having perpendicular magnetic anisotropy, and a first dielectric, disposed between the fixed magnetic layer and the free magnetic layer. A first surface of the first dielectric is in contact with a first surface of the free magnetic layer.
Everspin Technologies, Inc.


06/09/16
20160163963 

Magnetic memory cells and methods of fabrication


A magnetic cell includes a magnetic tunnel junction that comprises magnetic and nonmagnetic materials exhibiting hexagonal crystal structures. The hexagonal crystal structure is enabled by a seed material, proximate to the magnetic tunnel junction, that exhibits a hexagonal crystal structure matching the hexagonal crystal structure of the adjoining magnetic material of the magnetic tunnel junction.
Micron Technology, Inc.


06/09/16
20160163961 

Spin transfer torque tunneling magnetoresistive device having a laminated free layer with perpendicular magnetic anisotropy


A spin transfer torque magnetic junction includes a magnetic reference layer structure with magnetic anisotropy perpendicular to a substrate plane. A laminated magnetic free layer comprises at least three sublayers (e.g.
Western Digital (fremont), Llc


06/09/16
20160163340 

Microwave-assisted magnetic head and magnetic recording/reproducing apparatus


According to one embodiment, a microwave-assisted magnetic head includes a main magnetic pole configured to apply a recording magnetic field to a magnetic recording medium, an auxiliary magnetic pole configured to constitute a magnetic circuit together with the main magnetic pole, and a domain propagation element including a domain propagation path having two ends and a magnetic anisotropy perpendicular to a domain propagation direction, and a domain input portion configured to write a magnetic domain in the domain propagation path, and a current supply mechanism connected to the domain propagation path, and at least part of the domain propagation path passes between the main magnetic pole and the auxiliary magnetic pole.. .
Kabushiki Kaisha Toshiba


06/09/16
20160163271 

Display device


A display device includes a light modulation layer having predetermined refractive index anisotropy and including plural light modulation areas which differ in responsiveness to an electric field generated by electrodes, a polarization layer which is disposed on the front side of the light modulation layer, on which side external light enters, which shuts out light other than light having a predetermined polarization direction, a reflection layer disposed on the back side of the light modulation layer, and a phase retardation layer which is disposed between the polarization and light modulation layers, which creates a predetermined phase difference between incident light entering through the polarization layer and reflected light from the reflection layer, and which polarizes the reflected light in a direction different from the predetermined polarization direction. The light modulation layer transmits the reflected light when no electric field is generated and scatters it otherwise..
Japan Display Inc.


06/09/16
20160159653 

High anisotropy nanoparticles


New nanoparticles are provided which may have blocking temperatures exceeding 570 k even for particles as small as 8 nm in size. First principles theoretical investigations show that the new behavior is rooted in the giant magnetocrystalline anisotropies due to controlled mixing between carbon p-states and cobalt d-states.
Virginia Commonwealth University


06/02/16
20160155485 

Magnetic device with spin polarisation


A magnetic device includes a first magnetic layer, known as storage layer, having a uniaxial anisotropy with an easy magnetisation axis in the plane of the storage layer and having a magnetisation of variable direction having two positions of equilibrium along the easy magnetisation axis, a second magnetic layer, known as electron spin polarisation layer, having a magnetisation perpendicular to that of the storage layer and situated out of plane of the electron spin polarisation layer, a device configured to make circulate in the layers, and perpendicularly thereto, a current to switch from one position of equilibrium of the direction of magnetisation of the storage layer to the other. The device further includes a device to apply a magnetic field, known as transverse field, the direction of which is substantially parallel to the plane of the storage layer and substantially perpendicular to the easy magnetisation axis of the storage layer..
Université Paris Sud


06/02/16
20160153782 

Integrated optical coupler and fibre-optic system having such an integrated optical coupler


The invention relates to an integrated optical coupler (1) comprising a substrate (3), at least two planar waveguides (4), which are arranged on or in the substrate (3) and consist of a material having a virtually isotropic refractive index (anisotropy of the refractive index of less than 10−6), and al least three monomode fibres (8, 9, 10) coupled to the planar waveguides (4). One of the monomode fibres (8) is a polarisation-maintaining fibre.
Northrop Grumman Litef Gmbh


05/26/16
20160148735 

Annular sintered magnet with radial magnetization and reinforced mechanical strength


A sintered annular magnet with a radial orientation of a remanent magnetic field, including: a principal annular part made from a ferromagnetic material, that has a first degree of magnetic anisotropy in the radial direction; and an annular reinforcing part fixed to the principal part of the magnet, the reinforcing part being made from same ferromagnetic material as the ferromagnetic material forming the principal part, and that has a second degree of magnetic anisotropy in the radial direction, the first degree being higher than the second degree.. .
Commissariat A L'energie Atomique Et Aux Energies Alternatives


05/26/16
20160148627 

Spin torque oscillator with low magnetic moment and high perpendicular magnetic anisotropy material


Embodiments disclosed herein generally relate to a magnetic disk device employing a mamr head. The mamr head includes an sto.
Hgst Netherlands B.v.


05/26/16
20160145491 

Liquid crystal composition and liquid crystal display device


A liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of nematic phase, a low minimum temperature of nematic phase, small viscosity, suitable optical anisotropy, large positive dielectric anisotropy, large specific resistance, high stability to uv light and heat or a large elastic constant, or having a suitable balance regarding at least two of the characteristics, and an am device having a short response time, a large voltage holding ratio, a low threshold voltage, a large contrast ratio and a long service life, etc. Are described.
Jnc Petrochemical Corporation


05/19/16
20160140993 

Thermal retention structure for a data device


A data device may have at least a magnetic lamination with a thermal retention structure deposited on a substrate and configured to maintain a predetermined temperature for a predetermined amount of time. Such predetermined temperature and amount of time may allow for the growth of a magnetic layer with a predetermined magnetic anisotropy..
Seagate Technology Llc


05/19/16
20160137922 

Liquid crystal composition and liquid crystal display device


A liquid crystal composition having a suitable balance regarding at least one or two of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, small viscosity, suitable optical anisotropy, large positive dielectric anisotropy, large specific resistance, high stability to ultraviolet light and heat or a large elastic constant; and an am device having a short response time, a large voltage holding ratio, a low threshold voltage, a large contrast ratio or a long service life. The composition has positive dielectric anisotropy and contains a specific compound having high stability to ultraviolet light as a first component, and a liquid crystal display device includes the composition..
Jnc Petrochemical Corporation


05/12/16
20160133832 

Method of manufacturing magnetoresistive element(s)


A planar stt-mram includes apparatus, made by a method of operating and a method of manufacturing a spin-torque magnetoresistive memory and a plurality of magnetoresistive memory element having a ferromagnetic recording layer forming a flux closure with a self-aligned ferromagnetic soft adjacent layer which has an electric field enhanced perpendicular anisotropy through an interface interaction with a dielectric functional layer. The energy switch barrier of the soft adjacent layer is reduced under an electric field along a perpendicular direction with a proper voltage on a digital line from a control circuitry; accordingly, the in-plane magnetization of the recording layer is readily reversible in a low spin-transfer switching current..
Shanghai Ciyu Information Technologies Co., Ltd.


05/12/16
20160133352 

Insulating heat-conductive sheet


An object is to provide a heat-conductive sheet being excellent in insulation properties and thermal anisotropy and having high heat-dissipating properties. An insulating heat-conductive sheet including insulating highly heat-conductive fibers penetrating in a thickness direction of the sheet and a binder resin, wherein the insulating highly heat-conductive fibers penetrating in the thickness direction have a penetration density greater than or equal to 6%, and the insulating heat-conductive sheet has a ratio of thermal conductivity in the thickness direction to thermal conductivity in a planar direction greater than or equal to 2, and an initial dielectric breakdown strength greater than or equal to 20 kv/mm..
Toyobo Co., Ltd.


05/12/16
20160131946 

Curved liquid crystal display


A curved liquid crystal display is provided. The curved liquid crystal display (lcd) comprises a first curved substrate; a second curved substrate; a first curved liquid crystal alignment layer disposed between the first curved substrate and the second curved substrate; a second curved liquid crystal alignment layer disposed between the first curved liquid crystal alignment layer and the second curved substrate; and a liquid crystal layer including first and second liquid crystal molecules with negative dielectric anisotropy and disposed between the first curved liquid crystal alignment layer and the second curved liquid crystal alignment layer, the first liquid crystal molecules are aligned at a surface of the first curved liquid crystal alignment layer, and the second liquid crystal molecules are aligned at a surface of the second curved liquid crystal alignment layer, wherein, in an initial state when no electric field is applied, the first liquid crystal molecules are relatively vertically aligned as compared with the second liquid crystal molecules with respect to the first curved substrate and the second liquid crystal molecules are relatively tilt-aligned as compared with the first liquid crystal molecules with respect to the first curved substrate..
Samsung Display Co., Ltd.


05/12/16
20160131780 

Method for processing borehole seismic data


Seismic data recorded by subsurface seismic sensors placed in a borehole, such as an oil or gas well, are transformed via a process of upward wavefield propagation to pseudo-receivers at the surface of the earth. The seismic data thus transformed can be processed as though the data had been recorded by the pseudo-receivers at the surface rather than in the borehole where the data were actually recorded.
Sigma Cubed, Inc.


05/12/16
20160130187 

Resin-impregnated boron nitride sintered body and use for same


A resin-impregnated boron nitride sintered body having superior thermal conductivity and superior strength, and a resin-impregnated boron nitride sintered body having superior conductivity and small anisotropy of thermal conductivity are provided. A resin-impregnated boron nitride sintered body, including: 30 to 90 volume % of a boron nitride sintered body having boron nitride particles bonded three-dimensionally; and 10 to 70 volume % of a resin; wherein the boron nitride sintered body has a porosity of 10 to 70%; the boron nitride particles of the boron nitride sintered body has an average long diameter of 10 μm or more; the boron nitride sintered body has a graphitization index by powder x-ray diffractometry is 4.0 or less; and an orientation degree of the boron nitride particles of the boron nitride sintered body by i.o.p is 0.01 to 0.05 or 20 to 100; and a resin-impregnated boron nitride sintered body, including: 30 to 90 volume % of a boron nitride sintered body having boron nitride particles bonded three-dimensionally is provided..
Denka Company Limited


05/05/16
20160126453 

Thermally tolerant perpendicular magnetic anisotropy coupled elements for spin-transfer torque switching device


Perpendicular magnetic anisotropy (pma) type magnetic random access memory cells are constructed with a composite pma layer to provide a magnetic tunnel junction (mtj) with an acceptable thermal barrier. A pma coupling layer is deposited between a first pma layer and a second pma layer to form the composite pma layer.
Qualcomm Incorporated


05/05/16
20160124264 

Compensation structure for liquid crystal panels and the liquid crystal displays


A compensation structure of liquid crystal panels is disclosed. The compensation structure includes a liquid crystal panel and a first polarizing film and a second polarizing film arranged on two opposite surfaces of the liquid crystal panel.
Shenzhen China Star Optoelectronics Technology Co. Ltd.


05/05/16
20160122647 

Liquid crystal composition and liquid crystal display device


A liquid crystal composition satisfying at least one characteristic such as high maximum temperature of a nematic phase, low minimum temperature thereof, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light, heat or the like, or having a suitable balance regarding at least two of the characteristics; and an am device having characteristics such as short response time, a large voltage holding ratio, low threshold voltage, a large contrast ratio and a long service life. The liquid crystal composition contains a compound that can contribute to high stability to heat or ultraviolet light, has negative dielectric anisotropy and the nematic phase..
Jnc Petrochemical Corporation


05/05/16
20160122301 

Liquid crystal composition and liquid crystal display device


The liquid crystal composition contains a compound contributing to the high stability to heat or ultraviolet light, and has a negative dielectric anisotropy and a nematic phase. The composition contains a specific compound having a large negative dielectric anisotropy as a first component, and may contain a specific compound having the high maximum temperature or the small viscosity as a second component..

04/28/16
20160118065 

Mgo based perpendicular spin polarizer in microwave assisted magnetic recording (mamr) applications


A design for a microwave assisted magnetic recording device is disclosed wherein a spin torque oscillator (sto) between a main pole and write shield has a spin polarization (sp) layer less than 30 angstroms thick and perpendicular magnetic anisotropy (pma) induced by an interface with one or two metal oxide layers. Back scattered spin polarized current from an oscillation layer is used to stabilize sp layer magnetization.
Headway Technologies, Inc.


04/28/16
20160116770 

Liquid crystal display apparatus


In a liquid crystal display device (100), a first substrate (10) includes a first alignment film (25), a first electrode (24), a dielectric layer (23), and a second electrode (22), in this order away from a liquid crystal layer. One of the first and second electrode includes a plurality of linear portions (24s) which are parallel to each other.
Sharp Kabushiki Kaisha


04/28/16
20160116768 

Display device


A display device includes a light modulation layer and a light source. The light modulation layer is disposed between a pair of transparent substrates, has determined refractive index anisotropy, and includes plural light modulation elements which differ in responsiveness to an electric field generated by electrodes formed on a transparent substrate.
Japan Display Inc.


04/28/16
20160116646 

Display device


A liquid crystal display device 10 includes a liquid crystal panel 11 and a second light diffusing sheet 43 that is an anisotropic optical member. The liquid crystal panel 11 includes a display surface ds for displaying images.
Sharp Kabushiki Kaisha


04/21/16
20160111632 

Memory cells, semiconductor devices, and methods of fabrication


A magnetic cell includes magnetic, secondary oxide, and getter seed regions. During formation, a diffusive species is transferred from a precursor magnetic material to the getter seed region, due to a chemical affinity elicited by a getter species.

04/21/16
20160109761 

Liquid crystal display device and manufacturing same


A liquid crystal display device includes a pair of substrates, a liquid crystal layer that is disposed between the pair of substrates and includes a liquid crystal molecule, an alignment film that is disposed between each of the pair of substrates and the liquid crystal layer and includes a macromolecule containing a functional group having dielectric anisotropy, and a polymer layer that is disposed between the alignment film and the liquid crystal layer and includes a polymer of a polymerizable monomer. The polymerizable monomer preferably includes a compound having a specific ring structure, a compound having a structure capable of undergoing photoirradiation-induced hydrogen abstraction reaction to produce a ketyl radical, or a compound having at least two radically-polymerizable groups and a structure capable of undergoing photoirradiation-induced self-cleavage reaction to produce radicals..

04/21/16
20160109737 

Lcos display apparatus


A liquid crystal on silicon (lcos) display apparatus is provided, which includes a silicon substrate, a color filter layer, a first alignment layer, a second alignment layer and a liquid crystal layer. The silicon substrate has pixels arranged in a matrix.

04/21/16
20160109606 

Acoustic anisotropy and imaging by means of high resolution azimuthal sampling


In an acoustic logging system utilizing one or more acoustic sources, each with a specified radiation pattern around a source orientation, an acoustic signal is transmitted into a formation with a source oriented in a first source orientation. An acoustic waveform is received in response with a receiver oriented in a first direction.

04/21/16
20160109603 

Method and characterizing elastic anisotropy for transversely isotropic unconventional shale


A method for estimating elastic properties of a subsurface material having a bedding plane includes disposing a single sample of the subsurface material in a core holder, the core holder having (i) a first acoustic transducer set having a first acoustic source and a first acoustic receiver and (ii) a second acoustic transducer set having a second acoustic source and a second acoustic receiver. The method also includes performing at least five acoustic wave velocity measurements on the single sample that include compressional acoustic wave velocities and shear wave acoustic velocities with a certain direction of shear acoustic wave polarization using the first set of acoustic transducers and the second set of acoustic transducers, estimating, with a controller, the elastic properties using the at least five acoustic wave velocity measurements, and providing an output signal having the elastic properties to an output signal receiving device..

04/21/16
20160108316 

Liquid crystal display device and manufacturing the same


There is provided a liquid crystal display device which enables reductions in image sticking and droplet stains caused in production thereof without degradation of properties such as dielectric anisotropy, viscosity, the upper limit of the temperature of nematic phase, and rotational viscosity (γ1); and there is also provided a method for manufacturing such a liquid crystal display device. The liquid crystal display device is characterized in that a liquid crystal layer containing a liquid crystal composition is disposed between a substrate provided with a common electrode and a color filter layer and another substrate provided with a plurality of pixels each having a pixel electrode, each of the substrates is not provided with an alignment film but provided with an orientation controlling layer composed of at least two polymerizable compounds, each of the pixels has two or more regions having different directions of pretilt, and the liquid crystal composition contains a compound represented by general formula (i) and a compound represented by general formula (ii)..

04/21/16
20160108314 

Liquid crystal composition and liquid crystal display device


A liquid crystal composition satisfying at least one of characteristics such as high maximum temperature, low minimum temperature, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light and heat, or having a suitable balance regarding at least two of the characteristics; and an am device having characteristics such as short response time, a large voltage holding ratio, low threshold voltage, a large contrast ratio and long service life are provided. The composition has negative dielectric anisotropy and contains a specific compound having large negative dielectric anisotropy as a first component, a specific compound having small viscosity as a second component, and may contain a specific compound having high maximum temperature or small viscosity as a third component, a specific compound having negative dielectric anisotropy as a fourth component, or a specific compound having a polymerizable group as an additive component..

04/21/16
20160106995 

Navigated transcranial magnetic stimulation planning using a structural effectiveness index


Described herein are methods including determining a structural effectiveness index (sei) for a target area of a brain which accounts for the effectiveness of a transcranial magnetic stimulation (tms) pulse based on at least one neurological feature of the brain. An sei may include an anisotropy index (ai).

04/14/16
20160104572 

Method for manufacturing rare-earth magnets


Provided is a method for manufacturing a rare-earth magnet capable of preventing the lubricant from flowing down during hot deformation processing, whereby friction force can be made as uniform as possible at the overall region of the sintered body, and so the rare-earth magnet manufactured can have less distribution of magnetic performance. A method for manufacturing a rare-earth magnet includes: a first step of sintering magnetic powder mf as a material of the rare-earth magnet to prepare a sintered body s; and a second step of placing the sintered body s in a cavity k of a forming die m made up of a die d and a lower punch p and/or an upper punch p sliding in the die d, and performing hot deformation processing of the sintered body s to give magnetic anisotropy to the sintered body to manufacture the rare-earth magnet c.

04/14/16
20160103369 

Liquid crystal display device and manufacturing method thereof


There is provided a high-quality liquid crystal display device that improves viewing angle characteristics and display contrast in low afterglow. A liquid crystal display device includes: a tft substrate having a pixel electrode and a tft and formed with an alignment film on a pixel; a counter substrate disposed opposite to the tft substrate and formed with an alignment film on a topmost surface on the tft substrate side; and a liquid crystal sandwiched between the alignment film of the tft substrate and the alignment film of the counter substrate.

04/14/16
20160103342 

Liquid crystal display panel


A liquid crystal display (lcd) panel includes a first substrate, a second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The liquid crystal layer includes liquid crystals with negative dielectric anisotropy and a hindered amine light stabilizer (hals)..

04/07/16
20160099104 

Method for manufacturing rare-earth magnets


Provided is a method for manufacturing a rare-earth magnet having good workability and capable of manufacturing a rare-earth magnet having low oxygen density. A method for manufacturing a rare-earth magnet includes: a first step of applying or spraying graphite-based lubricant gf on an inner face of a forming die m, and charging magnetic powder mf as a rare-earth magnet material in the forming die m, followed by cold forming, to form a cold-forming compact 10 having a surface on which a graphite-based lubricant coat 12 is formed; a second step of performing hot forming to the cold-forming compact 10 to form a sintered body 20 having a surface on which a graphite-based lubricant coat 22 is formed; and a third step of, in order to give the sintered body 20 anisotropy, performing hot deformation processing to the sintered body 20 to form the rare-earth magnet 30..
Toyota Jidosha Kabushiki Kaisha


04/07/16
20160099035 

Voltage-controlled magnetic anisotropy (vcma) switch and magneto-electric memory (meram)


Voltage controlled magnetic tunnel junctions and memory devices are described which provide efficient high speed switching of non-volatile magnetic devices at high cell densities. Implementations are described which provide a wide range of voltage control alternatives with in-plane and perpendicular magnetization, bidirectionally switched magnetization, and control of domain wall dynamics..
The Regents Of The University Of California


04/07/16
20160099020 

Perpendicular recording media with enhanced anisotropy through energy assisted segregation


Apparatus for recording data and method for making the same. In accordance with some embodiments, a magnetic layer is supported by a substrate and comprises a magnetic magnetic material, a non-magnetic material, and an energy assisted segregation material.
Seagate Technology Llc




Anisotropy topics: Anisotropy, Liquid Crystal, Liquid Crystal Display, Magnetic Field, Image Display Apparatus, Electrostatically, Benzene Ring, Longitudinal Direction, Motorcycle, Magnetoresistance, Memory Cell, Enhancement, Random Access, Data Storage, Magnetic Resonance Imaging

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