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Perpendicular magnetoresistive memory element

Magnetic memory and method of manufacturing the same

Date/App# patent app List of recent Anisotropy-related patents
07/24/14
20140206106
 Magnetic memory and method of manufacturing the same patent thumbnailnew patent Magnetic memory and method of manufacturing the same
A magnetic memory according to an embodiment includes: at least one memory cell comprising a magnetoresistive element as a memory element, and first and second electrodes that energize the magnetoresistive element. The magnetoresistive element includes: a first magnetic layer having a variable magnetization direction perpendicular to a film plane; a tunnel barrier layer on the first magnetic layer; and a second magnetic layer on the tunnel barrier layer, and having a fixed magnetization direction perpendicular to the film plane.
07/24/14
20140206104
 Strain induced reduction of switching current in spin-transfer torque switching devices patent thumbnailnew patent Strain induced reduction of switching current in spin-transfer torque switching devices
Partial perpendicular magnetic anisotropy (ppma) type magnetic random access memory cells are constructed using processes and structural configurations that induce a directed static strain/stress on an mtj to increase the perpendicular magnetic anisotropy. Consequently, reduced switching current of the mtj results.
07/24/14
20140203385
 Magnetic memory and method of manufacturing the same patent thumbnailnew patent Magnetic memory and method of manufacturing the same
According to one embodiment, a magnetic memory comprises an electrode, a memory layer which is formed on the electrode and has magnetic anisotropy perpendicular to a film plane, and in which a magnetization direction is variable, a tunnel barrier layer formed on the memory layer, and a reference layer which is formed on the tunnel barrier layer and has magnetic anisotropy perpendicular to the film plane, and in which a magnetization direction is invariable. The memory layer has a positive magnetostriction constant on a side of the electrode, and a negative magnetostriction constant on a side of the tunnel barrier layer..
07/24/14
20140203383
 Perpendicular magnetoresistive memory element patent thumbnailnew patent Perpendicular magnetoresistive memory element
A perpendicular magnetoresistive memory element comprises a three-terminal structure having a thick multilayered recording layer connected to a middle electrode and a functional layer having rocksalt crystal structure interfacing to the recording layer. The interface crystal grain structures between the functional layer and the recording layer provides an electric field manipulated perpendicular anisotropy enabling a low spin transfer write current..
07/17/14
20140198614
 S-wave anisotropy estimate by automated image registration patent thumbnailS-wave anisotropy estimate by automated image registration
The present disclosure provides a system and method for estimating fracture density within a subsurface formation from s-wave seismic data. In one embodiment, the s-wave seismic data is separated into fast (“s1”) and slow (“s2”) data.
07/17/14
20140198564
 Magnetoresistive element and method of manufacturing the same patent thumbnailMagnetoresistive element and method of manufacturing the same
A planar stt-mram comprises apparatus, 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..
07/17/14
20140198321
 Surface shape measuring apparatus patent thumbnailSurface 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.
07/17/14
20140198291
 Liquid crystal composition and liquid crystal display device patent thumbnailLiquid crystal composition and liquid crystal display device
A liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or having a suitable balance regarding at least two of the characteristics is provided; and an am device having a short response time, a suitable pretilt, a large voltage holding ratio, a large contrast ratio, a long service life and so forth is provided. A solution is a liquid crystal composition containing a specific compound having a high maximum temperature and a large dielectric anisotropy as a first component and a polymerizable compound as a second component, and a liquid crystal display device including the composition..
07/17/14
20140198272
 Patterned retardation film, patterned polarizing plate, image displaying device, and stereo picture displaying system patent thumbnailPatterned retardation film, patterned polarizing plate, image displaying device, and stereo picture displaying system
To reduce the crosstalk caused by the optical characteristic of the support film. A patterned retardation film comprising at least a support film (14) having optical anisotropy and a patterned retardation layer (12) disposed on the support film and having a first retardation region and a second retardation region, at least one of an in-plane slow axis direction and a retardation being different between the first and second retardation regions, wherein a variation in the in-plane slow axis direction of the support film is 3° or more..
07/10/14
20140192306
 Alignment layer and liquid crystal display having the same patent thumbnailAlignment layer and liquid crystal display having the same
Disclosed are an alignment layer and a liquid crystal display having the same. The alignment layer comprises a polyimide compound having an azo group and exhibiting optical alignment characteristics and a discotic liquid crystal compound exhibiting optical anisotropy.
07/10/14
20140191158
Liquid crystal composition and liquid crystal display device with the liquid crystal composition
A liquid crystal composition that is useful for an active matrix (am) device has a nematic phase and positive dielectric anisotropy. An active matrix liquid crystal display device includes the liquid crystal composition.
07/03/14
20140186637
Organic compound, optical film and method of production thereof
An organic compound has the general structural formula i. In the formula i, core is a conjugated organic unit capable of forming a rod-like macromolecule, n is a number of the conjugated organic units in the rod-like macromolecule, gk is a set of ionogenic side-groups, and k is a number of the side-groups in the set gk.
07/03/14
20140184962
Stereoscopic display device
The purpose of the present invention is to provide a vertically and horizontally positionable stereoscopic display device that can obtain an excellent stereoscopic display by reducing light leakage through areas (inter-line areas) between drive electrodes (36, 42) and auxiliary electrodes (38, 44) and improving light shielding properties of light shielding parts. A switching liquid crystal panel (14) provided in the stereoscopic display device of the present invention realizes a parallax barrier (48) in which transmission parts (52) and light shielding parts (50) are arrayed alternately.
07/03/14
20140183608
Magnetic random access memory having perpendicular enhancement layer and interfacial anisotropic free layer
The present invention is directed to a spin transfer torque (stt) mram device having a perpendicular magnetic tunnel junction (mtj) memory element. The memory element includes a perpendicular mtj structure in between a non-magnetic seed layer and a non-magnetic cap layer.
07/03/14
20140183409
Liquid crystal composition, antioxidant and liquid crystal display device
A liquid crystal composition including an antioxidant, and a liquid crystal display device containing this composition are described. The liquid crystal composition has a nematic phase, has a high solubility in a liquid crystal composition, and includes a specific antioxidant useful for preventing deterioration of the composition.
07/03/14
20140183158
Method for improving anisotropy of carbon nanotube film and method for making touch panel
A method for improving anisotropy of a carbon nanotube film is provided. The carbon nanotube film is drawn from a carbon nanotube array.
06/26/14
20140177369
Optical data store and method for storage of data in an optical data store
An optical data store is specified, having a data storage layer with a non-toxic and biodegradable polymer as light-sensitive storage medium which has photo-inducible anisotropy, for the induction of which a threshold value of the optical intensity has to be exceeded. The light-sensitive material is preferably bacteriorhodopsin which, by way of example, is immobilized in a manner embedded in a suitable matrix material or, if appropriate, in a crosslinked manner.
06/26/14
20140177328
Multi-bit magnetic memory cell
A device (20) for storing data includes at least first and second ferromagnetic films (f1, f2) and a sensing circuit (28). The ferromagnetic films both have perpendicular magnetic anisotropy that is configured responsively to the stored data, and are connected so that an electrical current traverses the first and second ferromagnetic films and generates respective first and second extraordinary hall voltages therein.
06/26/14
20140177327
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..
06/26/14
20140177104
Perpendicular magnetic write head and magnetic recording device
A trailing shield is provided on a trailing side of a magnetic pole with a non-magnetic gap layer in between, and an intermediate layer having negative uniaxial magnetocrystalline anisotropy is provided between the non-magnetic gap layer and the trailing shield. The intermediate layer has a magnetic property in which an easy axis of magnetization is provided in an in-plane direction and thus magnetization is likely to occur in that direction, whereas a difficult axis of magnetization is provided in a direction intersecting the in-plane direction and thus magnetization is less likely to occur in that direction.
06/26/14
20140175582
Method and system for providing magnetic junctions having engineered perpendicular magnetic anisotropy
A method and system provide a magnetic junction usable in a magnetic device. The magnetic junction includes a reference layer, a nonmagnetic spacer layer, and a free layer.
06/26/14
20140175574
Method and system for providing magnetic junctions having improved polarization enhancement and reference layers
A magnetic junction is provided. The magnetic junction includes a reference stack, a nonmagnetic spacer layer and a free layer.
06/26/14
20140175428
Perpendicular magnetoresistive elements
A perpendicular magnetoresistive element comprises a novel buffer layer having rocksalt crystal structure interfacing to a cofeb-based recording layer has (100) plane parallel to the substrate plane and with {110} lattice parameter being slightly larger than the bcc cofe lattice parameter along {100} direction, and crystallization process of amorphous cofeb material in the recording layer during thermal annealing leads to form bcc cofe grains having epitaxial growth with in-plane expansion and out-of-plane contraction. Accordingly, a perpendicular anisotropy, as well as a perpendicular magnetization, is induced in the recording layer.
06/19/14
20140169085
Voltage-controlled magnetic memory element with canted magnetization
A memory cell including information that is stored in the state of a magnetic bit (i.e. In a free layer, fl), where the fl magnetization has two stable states that may be canted (form an angle) with respect to the horizontal and vertical directions of the device is presented.
06/19/14
20140169083
Magnetoresistive layer structure with voltage-induced switching and logic cell application
Embodiments of the invention include a voltage-switching mtj cell structure that includes two sub-mtjs in series. Each free layer can be switched independently from the other.
06/19/14
20140167898
Systems and methods for coupled power inductors
Power inductor has a magnetically isotropic core including two or more laminations. At least a first lamination can include anisotropic magnetic material having a first orientation of magnetic anisotropy.
06/19/14
20140166931
Liquid crystal composition and liquid crystal display device
A liquid crystal composition and an am liquid crystal display device are described. The liquid crystal composition has a negative dielectric anisotropy, contains a specific compound having a large negative dielectric anisotropy as a first component and a two-ring compound having a small viscosity as a second component, and may further contain a specific compound having a large negative dielectric anisotropy as a third component, a specific compound having a small viscosity as a fourth component and a specific compound having a large negative dielectric anisotropy as a fifth component.
06/12/14
20140163887
Cross-coupling based determination of anisotropic formation properties
Tools, systems, and methods are disclosed for multi-component induction logging with iterative analytical conversion of tool measurements to formation parameters. At least some system embodiments include a logging tool and at least one processor.
06/12/14
20140160890
System and method for determining shear wave anisotropy in a vertically transversely isotropic formation
A system and method for determining shear wave anisotropy in a vertically transversely isotropic formation is disclosed. The method includes generating a broad band stoneley wave and a broad band dipole flexural wave.
06/12/14
20140160596
Data storage device with variable anisotropy side shield
Various embodiments may be generally directed to a data storage device with at least a magnetic element having a magnetic stack positioned adjacent to and separated from at least one side shield on an air bearing surface (abs). The side shield can be configured with a predetermined anisotropy variation along a down-track direction..
06/12/14
20140160325
Image processing apparatus, and information processing method
An information processing method includes calculating a second spatial filter having a size of the number of elements larger than a blur size of an image using a finite first spatial filter having an anisotropy in resolution of the image and a finite filter in which a value of a total sum of elements is zero and at least two elements have a non-zero value, and generating a plurality of spatial filters having a predetermined number of elements or less from the second spatial filter.. .
06/05/14
20140155731
Method for identifying neuroprotective compounds and/or neuroregeneration stimulators by fractional anisotropy measurements by diffusion-based mri scanning
The present invention relates to a method for monitoring the effectiveness of a treatment on neuroprotection and to a method for identifying candidate molecules that are neuroprotectors and/or neuronal growth stimulators. The present invention can be used, in particular, in the field of pharmaceutics, in the field of scientific research and in the field of clinical trials and validation of therapeutic substances..
06/05/14
20140152393
Surface emitting laser device and atomic oscillator
Disclosed is a surface emitting laser device, including a substrate; a lower reflecting mirror provided on the substrate; an active layer provided on the lower reflecting mirror; an upper reflecting mirror provided on the active layer, including an emitting region, laser light being emitted from the emitting region, the upper reflecting mirror being formed by alternately laminating dielectrics, refracting indices of the dielectrics being different from each other; and an adjusting layer formed of semiconductor, provided in the emitting region between the active layer and the upper reflecting mirror, a shape of the adjusting layer in a plane parallel to a surface of the substrate including shape anisotropy in two mutually perpendicular directions.. .
06/05/14
20140151829
Method and system for providing magnetic tunneling junction elements having improved performance through capping layer induced perpendicular anisotropy and memories using such magnetic elements
A magnetic element and a magnetic memory utilizing the magnetic element are described. A contact is electrically coupled to the magnetic element.
05/29/14
20140149040
Multilevel workflow method to extract resistivity anisotropy data from three-dimensional induction measurements
A multi-step electromagnetic inversion method is provided for determining formation resistivity, anisotropy and dip. An electromagnetic logging tool is used to obtain non-directional, anisotropy, and directional (including symmetrized and anti-symmetrized resistivity measurements) in a formation using an electromagnetic logging tool.
05/29/14
20140147702
Thin film with tuned anisotropy and magnetic moment
An apparatus and associated method are generally described as a thin film exhibiting a tuned anisotropy and magnetic moment. Various embodiments may form a magnetic layer that is tuned to a predetermined anisotropy and magnetic moment through deposition of a material on a substrate cooled to a predetermined substrate temperature..
05/29/14
20140145792
Free layer with out-of-plane anisotropy for magnetic device applications
Synthetic antiferromagnetic (saf) and synthetic ferrimagnetic (syf) free layer structures are disclosed that reduce ho (for a saf free layer), increase perpendicular magnetic anisotropy (pma), and provide higher thermal stability up to at least 400° c. The saf and syf structures have a fl1/dl1/spacer/dl2/fl2 configuration wherein fl1 and fl2 are free layers with pma, the coupling layer induces antiferromagnetic or ferrimagnetic coupling between fl1 and fl2 depending on thickness, and dl1 and dl2 are dusting layers that enhance the coupling between fl1 and fl2.
05/22/14
20140139952
Thin magnetic film, method of manufacturing the same, and high frequency oscillator, magnetic head, magnetic recording medium, and magnetic recording/reproducing apparatus using thin magnetic film
According to one embodiment, there is provided a thin magnetic film having a negative anisotropy of −6×106 erg/cm3 or less and including, on at least a nonmagnetic substrate, at least one seed layer made of a metal or metal compound, a ruthenium underlayer for controlling the orientation of an immediately overlying layer, and a magnetic layer having negative anisotropy in the normal line direction perpendicular to a surface of the magnetic layer and mainly containing co and ir, wherein the additive element concentration of ir in the magnetic layer is 10 (inclusive) to 45 (inclusive) at %.. .
05/22/14
20140139265
High speed precessionally switched magnetic logic
High speed precessionally switched magnetic logic devices and architectures are described. In a first example, a magnetic logic device includes an input electrode having a first nanomagnet and an output electrode having a second nanomagnet.
05/22/14
20140137668
Pressure sensor, microphone, blood pressure sensor, and touch panel
According to one embodiment, a pressure sensor includes a base unit, a film unit, and a plurality of sensing elements. The plurality of sensing elements is provided on the film unit radially with respect to a centroid of the film unit.
05/15/14
20140133283
Plasmon resonator with dual waveguide excitation for tamr
A tamr (thermal assisted magnetic recording) write head uses the near field energy of optical-laser excited plasmon eigenmodes in a plasmon resonator to locally heat a magnetic recording medium and reduce its coercivity and magnetic anisotropy. The plasmon resonator is formed as a conducting disk-shaped structure with an extending peg that serves to further confine the near fields within a small region of the recording medium.
05/15/14
20140133052
Magnetoresistive sensor having reduced read gap and strong pinned layer stability
A magnetic read head having a reduced read gap and a stable magnetic pinned layer structure. The sensor includes a seed layer that has a surface formed with an anisotropic texture.
05/15/14
20140133048
High spin-torque efficiency spin-torque oscillator (sto) with dual spin polarization layer
In one embodiment, a mamr head includes a main magnetic pole, a sto positioned near the main magnetic pole, the sto including a first perpendicular magnetic layer positioned above the main magnetic pole, wherein the first perpendicular magnetic layer is a first spin polarization layer having an axis of magnetic anisotropy in a direction perpendicular to a film surface, a first non-magnetic transmission layer positioned above the first perpendicular magnetic layer, a magnetic layer effectively having a plane of easy magnetization in the film surface positioned above the first non-magnetic transmission layer, the magnetic layer being a fgl, a second non-magnetic transmission layer positioned above the magnetic layer, and a second perpendicular magnetic layer positioned above the second non-magnetic transmission layer, wherein the second perpendicular magnetic layer is a second spin polarization layer having magnetic anisotropy in the direction perpendicular to the film plane.. .
05/15/14
20140132870
Liquid crystal display device
A novel liquid crystal display device without a decrease in display quality. The liquid crystal display device includes a pixel for displaying a still image at a frame frequency of less than or equal to 1 hz, and a liquid crystal layer in the pixel has a dielectric constant anisotropy of greater than or equal to 2 and less than or equal to 5.
05/15/14
20140131824
Magnetoresistive element
According to one embodiment, a magnetoresistive element includes a recording layer having magnetic anisotropy perpendicular to a film surface and having a variable magnetization direction, a reference layer having magnetic anisotropy perpendicular to a film surface and having an invariable magnetization direction, an intermediate layer provided between the recording layer and the reference layer, and a underlayer containing altin and provided on an opposite side of a surface of the recording layer on which the intermediate layer is provided.. .
05/15/14
20140131313
Simulation method, simulation program, recording medium having the simulation program stored therein, method for producing droplet arrangement patterns utilizing the simulation method, nanoimprinting method, method for producing patterned substrates, and ink jet apparatus
A simulation method predicts wet spreading and unions of a plurality of droplets arranged on a patterned surface defined by a fine pattern of protrusions and recesses, the patterned surface causing anisotropy to occur in the wet spreading of the droplets. The influence imparted by the pattern of protrusions and recesses that defines the patterned surface, which is the target of analysis, on the wet spreading of the droplets is treated as wetting properties of an analysis surface, and the wet spreading and unions of the plurality of droplets on the analysis surface are analyzed by gas liquid two phase flow analysis that incorporates the wetting property parameters that represents the wetting properties..
05/08/14
20140124882
Systems and methods for implementing magnetoelectric junctions having improved read-write characteristics
Embodiments of the invention implement mejs having improved read-write characteristics. In one embodiment, an mej includes: ferromagnetic fixed and free layers, a dielectric layer interposed between the ferromagnetic layers, and an additional dielectric layer proximate the free layer, where the fixed layer is magnetically polarized in a first direction, where the free layer has a first easy axis that is aligned with the first direction, and where the mej is configured such that when subject to a potential difference, the magnetic anisotropy of the free layer is altered such that the relative strength of the magnetic anisotropy along a second easy axis that is orthogonal to the first easy axis, compared to the strength of the magnetic anisotropy along the first easy axis, is magnified during the application of the potential difference, where the extent of the magnification is enhanced by the presence of the additional layer..
05/08/14
20140124244
Conductive plate and film exhibiting electric anisotropy
A method for making a conductive film exhibiting electric anisotropy comprises forming a nanomaterial on a substrate, the nanomaterial having a cluster of interconnected nanounits, each of which being substantially transverse to the substrate and having one end bonded to the substrate. The method further includes stretching the nanounits along a first direction to remove the nanomaterial from the substrate so as to form a conductive film having strings of interconnected nanounits, where the nanounits of the strings substantially extend in the first direction.
05/08/14
20140123473
Method of forming a tamr writer with a concave leading shield for enhanced field magnitude
A method of forming a tamr (thermal assisted magnetic recording) write head that uses the energy of optical-laser excited plasmons to locally heat a magnetic recording medium and reduce its coercivity and magnetic anisotropy. The magnetic field of the write head is enhanced by the formation of a leading shield that is formed in a concave geometrical shape and partially surrounds the waveguide portion of the head within the concavity, which allows the distal end of the waveguide to extend to the abs plane of the write head.
05/01/14
20140120200
Stretching and clamping device for anisotropy conductive film and clamping roller and clamping head thereof
A stretching and clamping device for anisotropy conductive film and a clamping roller and a clamping head thereof are provided. The clamping roller and the clamping head cooperate with each other to position and bond the anisotropy conductive film.
05/01/14
20140119981
Constructing bismuth antimony thin films with anisotropic single-dirac cones
A bi1-xsbx thin film is provided that includes a dirac-cone with different degrees of anisotropy in their electronic band structure by controlling the stoichiometry, film thickness, and growth orientation of the thin film, so as to result in a consistent inverse-effective mass tensor including non-parabolic or linear dispersion relations.. .
05/01/14
20140119579
Electromechanical-electroacoustic transducer with low thickness and high travel range and relevant manufacturing method
An electroacoustic transducer has a ring-shaped magnetic assembly that generates a magnetic field, an elastic suspension connected to the magnetic assembly, a support connected to the elastic suspension and supporting a coil adapted to move in the magnetic field generated by the magnetic assembly, and an acoustic membrane connected to the support of the coil in order to vibrate and emit a sound. The magnetic assembly has a thin housing and support structure made of non-magnetic material, and a plurality of magnets with magnetic axis (a) and axial anisotropy, said magnets being disposed side by side, inside said thin housing and support structure that acts as bearing structure for the transducer and as containment structure for the magnets..
05/01/14
20140119106
Magnetic memory devices and methods of operating the same
Magnetic memory devices, and methods of operating the same, include a magnetoresistive element, a current apply element for applying a spin transfer torque switching current to the magnetoresistive element, and a magnetic field apply element for applying a non-perpendicular magnetic field to the magnetoresistive element. The magnetic memory device writes data in the magnetoresistive element by using the spin transfer torque switching current and the non-perpendicular magnetic field.
05/01/14
20140118903
Case frame and manufacturing method thereof
A case frame used in various devices and a method of manufacturing the case frame are provided. The method includes forming the case frame in a shape corresponding to a product to which the case frame is applied, forming a first painting layer with a color of a material applied to a surface of the formed case frame, depositing a transparent oxide deposition layer having a refractive index on an upper portion of the first painting layer, and forming a second painting layer on an upper portion of the transparent oxide deposition layer.
05/01/14
20140118679
Liquid-crystal compound with negative dielectric anisotropy, liquid-crystal display, and optoelectronic device
Wherein a1, a2, and a3 are independently selected from cyclohexyl group, cyclohexenyl group, or phenyl group; l1 and l2 are independently selected from h or f; r is selected from h, f, cl, c1-10 alkyl group, c1-10 alkenyl group, c1-10 alkoxy group, or c1-10 ether group; y is fluorinated methyl group; m and n are independently selected from an integer of 0-2; and 1≦m+n≦3.. .
04/24/14
20140111752
Liquid crystal display device and method of manufacturing the same
There is provided a liquid crystal display device including a liquid crystal display element including a first alignment film and a second alignment film provided on opposing surfaces of a pair of substrates, and a liquid crystal layer arranged between the first alignment film and the second alignment film and including crystal molecules having negative dielectric constant anisotropy. At least the first alignment film includes a compound in which a polymer compound having a first side chain and a second side chain is crosslinked or polymerized.
04/24/14
20140110803
Method and system for providing magnetic tunneling junction elements having an easy cone anisotropy
A method and system for providing a magnetic junction usable in a magnetic device are described. The magnetic junction includes a pinned layer, a nonmagnetic spacer layer, and a free layer.
04/17/14
20140107942
Apparatus and methods for chirality detection
Technologies are generally described for systems and methods for detecting chiral properties of materials and separating materials based on their chiral properties. A chiral vector is constructed from anisotropy properties of a polarization-dependent output signal from a sample.
04/17/14
20140106183
Magnetic reader with tuned anisotropy
Various embodiments may be generally directed to a stack capable of reading magnetic data bits. Such a stack can have a non-magnetic spacer layer disposed between a magnetically free layer and a synthetic antiferromagnet (saf) where the saf is configured with an anisotropy tuned to a non-normal direction with respect to an air bearing surface (abs)..
04/17/14
20140105647
Surface-emitting laser device, surface-emitting laser array, optical scanning apparatus and image forming apparatus
A surface-emitting laser device configured to emit laser light in a direction perpendicular to a substrate includes a p-side electrode surrounding an emitting area on an emitting surface to emit the laser light; and a transparent dielectric film formed on an outside area outside a center part of the emitting area and within the emitting area to lower a reflectance to be less than that of the center part. The outside area within the emitting area has shape anisotropy in two mutually perpendicular directions..
04/17/14
20140104555
Vertical alignment layer and liquid crystal display including the same
A liquid crystal display includes: a first substrate and a second substrate facing each other; a pair of field generating electrodes disposed on the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate and including liquid crystal molecules having positive dielectric anisotropy; and at least one alignment layer disposed between the first substrate and the second substrate, wherein the alignment layer includes a main chain and at least one side chain connected to the main chain, and the side chain includes a vertical functional group or a polar group.. .
04/17/14
20140104522
In-plane switching mode liquid crystal display device
A liquid crystal display device according to the present invention is directed at optimizing the viewing angle characteristics of black luminance in a diagonal direction by realizing a low tilt angle without depending on an oriented film or an orientation treatment method in an ffs mode. The liquid crystal display device of the present invention is a liquid crystal display device in the ffs mode, including: a liquid crystal layer having a negative dielectric anisotropy; a color filter substrate disposed to sandwich the liquid crystal layer; and a tft substrate having pixels, wherein a cf side common electrode which controls a potential is present in a liquid crystal layer side of the color filter substrate; and there is electric field controlling means which forms an alternating electric field between the cf side common electrode and a tft side common electrode..
04/17/14
20140103469
Seed layer for multilayer magnetic materials
A magnetic element is disclosed wherein a composite seed layer such as tan/mg enhances perpendicular magnetic anisotropy (pma) in an overlying magnetic layer that may be a reference layer, free layer, or dipole layer. The first seed layer is selected from one or more of ta, zr, nb, tan, zrn, nbn, and ru.
04/17/14
20140103257
Liquid crystal compound having negative dielectric anisotropy, and liquid crystal composition
And x1, x2, x3 and x4 are independently selected from the group consisting of h, halogen group, —cf3, —chf2, —ch2f, —ocf3, —ochf2 and —och2f, at least one of x1, x2, x3 and x4 being halogen group, —cf3, —chf2, —ch2f, —ocf3, —ochf2 or —och2f.. .
04/10/14
20140098443
Magnetoresistive-based mixed anisotropy high field sensor
A mixed anisotropy magnetic field sensor includes a first magnetic material film having in-plane anisotropy with a first magnetic easy axis that is in-plane, a second magnetic material film having out-of-plane anisotropy with a second magnetic easy axis that is perpendicular to the first magnetic easy axis of the first magnetic material film, and a non-magnetic spacer between the first magnetic material film and the second magnetic material film. The first magnetic material film has a magnetization oriented in a first magnetization orientation parallel to the first magnetic easy axis in the presence of no applied magnetic field, and the second magnetic material film has a magnetization oriented in a second magnetization orientation parallel to the second magnetic easy axis in the presence of no applied magnetic field..
04/10/14
20140097509
Magnetic memory element and magnetic memory
A disclosed magnetic memory element includes: a magnetization free layer formed of a ferromagnetic substance having perpendicular magnetic anisotropy; a response layer provided so as to be opposed to the magnetization free layer and formed of a ferromagnetic substance having perpendicular magnetic anisotropy; a non-magnetic layer provided so as to be opposed to the response layer on a side opposite to the magnetization free layer and formed of a non-magnetic substance; and a reference layer provided so as to be opposed to the non-magnetic layer on a side opposite to the response layer and formed of a ferromagnetic substance having perpendicular magnetic anisotropy. The magnetization free layer includes a first magnetization fixed region and a second magnetization fixed region which have magnetization fixed in directions antiparallel to each other, and a magnetization free region in which a magnetization direction is variable..
04/10/14
20140097383
Liquid crystal composition and liquid crystal display device
A liquid crystal composition and an am liquid crystal display device are described. The liquid crystal composition contains a specific compound having a small viscosity as a first component, may further contain a specific compound having a large negative dielectric anisotropy as a second component and a specific compound having a small viscosity as a third component, and has a negative dielectric anisotropy and a ratio of rotational viscosity to an elastic constant in the range of 4.2 gpa·s/n or lower.
04/10/14
20140096968
Complex fracturing using a straddle packer in a horizontal wellbore
A method of inducing fracture complexity within a fracturing interval of a subterranean formation is provided. The method comprises defining a stress anisotropy-altering dimension, providing a straddle-packer assembly to alter a stress anisotropy of a fracturing interval, based on defining the stress anisotropy-altering dimension, isolating a first fracturing interval of the subterranean formation with the straddle-packer assembly, inducing a fracture in the first fracturing interval, isolating a second fracturing interval of the subterranean formation with the straddle-packer assembly, inducing a fracture in the second fracturing interval, wherein fracturing the first and second fracturing intervals alters the stress anisotropy within a third fracturing interval, isolating the third fracturing interval with the straddle-packer assembly, and inducing a fracture in the third fracturing interval.
04/03/14
20140093746
Magnetic seed layer
An apparatus includes a disk substrate and a soft underlayer overlying the disk substrate. A magnetic seed layer overlies the soft underlayer, wherein the magnetic seed layer is formed by a hexagonal close-packed lattice material and has in-plane magnetic anisotropy..
04/03/14
20140092373
Fabrication of high efficiency, high quality, large area diffractive waveplates and arrays
An apparatus and method is presented for fabricating high quality one- or two dimensional diffractive waveplates and their arrays that exhibit high diffraction efficiency over large area and being capable of inexpensive large volume production. Employed is a generally non-holographic and aperiodic polarization converter for converting the polarization of a coherent input light beam that may be of a visible wavelength into a pattern of continuous spatial modulation at the output of said polarization converter.
03/27/14
20140084398
Perpendicular mtj stacks with magnetic anisotropy enhancing layer and crystallization barrier layer
Magnetic tunnel junctions (mtj) suitable for spin transfer torque memory (sttm) devices, include perpendicular magnetic layers and one or more anisotropy enhancing layer(s) separated from a free magnetic layer by a crystallization barrier layer. In embodiments, an anisotropy enhancing layer improves perpendicular orientation of the free magnetic layer while the crystallization barrier improves tunnel magnetoresistance (tmr) ratio with better alignment of crystalline texture of the free magnetic layer with that of a tunneling layer..
03/27/14
20140084210
Liquid crystal composition and liquid crystal display device
A liquid crystal composition is described, which has a nematic phase, contains a specific compound having a high maximum temperature or a large dielectric anisotropy as a first component and a specific compound having a large dielectric anisotropy as a second component, and may also contain a specific compound having a high maximum temperature or a small viscosity as a third component and a specific compound having a high maximum temperature or a large dielectric anisotropy as a fourth component. An active-matrix (am) liquid crystal display device including the liquid crystal composition is also described..


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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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