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This page is updated frequently with new Magnetic Field-related patent applications. Subscribe to the Magnetic Field RSS feed to automatically get the update: related Magnetic RSS feeds. RSS updates for this page: Magnetic Field RSS RSS


Mirror system comprising at least one mirror for use for guiding illumination and imaging light in euv projection…

Switching device

Magnetic field treatment techniques

Date/App# patent app List of recent Magnetic Field-related patents
08/14/14
20140229141
 Magnetic assembly and method for defining a magnetic field for an imaging volume patent thumbnailnew patent Magnetic assembly and method for defining a magnetic field for an imaging volume
Disclosed herein is a magnet assembly that includes at least two magnets arranged in a fixed spaced relationship with one another thereby to define a space between the magnets that encompasses an imaging volume. Each of the magnets produces a variety of magnetic field strengths across inward-facing surfaces thereof that, in combination, produce an acceptably homogeneous magnetic field in the imaging volume.
08/14/14
20140228673
 Supplemental transmission information for attenuation correction in positron emission tomography imaging patent thumbnailnew patent Supplemental transmission information for attenuation correction in positron emission tomography imaging
Supplemental transmission information is used in pet imaging with a hybrid pet/mr system. The magnetic field of the mr portion is used to direct positrons from one or more sources outside or inside the pet field of view to within the pet field of view.
08/14/14
20140228670
 Surgical implant guide system and method patent thumbnailnew patent Surgical implant guide system and method
A surgical system comprises a magnet having a magnetic field. The magnet is disposed with a first spinal implant.
08/14/14
20140228669
 Medical device implantation imaging patent thumbnailnew patent Medical device implantation imaging
Implantation imaging techniques are presented herein to provide a surgeon with visual feedback during implantation of an implantable medical device in a recipient. The implantation imaging techniques may include the generation of a magnetic field that induces a voltage at a coil positioned in the recipient.
08/14/14
20140228621
 Magnetic field treatment techniques patent thumbnailnew patent Magnetic field treatment techniques
The invention involves enhancing brain function by stimulating the brain using magnetic fields. Applications of the new methods include improving the condition of individuals with cognitive disorders, such as depression, and studying the effects of neural stimulation using induced electric fields.
08/14/14
20140228620
 Sequentially programmed magnetic field therapeutic system (spmf) patent thumbnailnew patent Sequentially programmed magnetic field therapeutic system (spmf)
A comprehensive system for inducing cellular regeneration and/or degeneration processes and methods of treatment based on such processes through generating and applying a sequentially programmed magnetic field (spmf) to the area to be treated. In the case of regeneration and degeneration of cells, the pulsing frequencies are in the range of about 0.1 to about 2000 hz based on the indication of the disease type which was determined by either the patient's mri, ct, ultrasound or other diagnostic information.
08/14/14
20140228619
 Low intensity magnetic field devices for treatment of cardiac and neurological disorders patent thumbnailnew patent Low intensity magnetic field devices for treatment of cardiac and neurological disorders
There is provided a medical device comprising a low to intensity electromagnetic field source to increase the respiratory control values (rci) of mitochondria. The medical device may be implantable, such as a cardiac rhythm management device, a stent, or a vascular graft.
08/14/14
20140228618
 Magnetic moxibustion device patent thumbnailnew patent Magnetic moxibustion device
A magnetic moxibustion device includes a moxibustion canister in which a moxa column (5) is hangs through a moxa column mounting base. The moxa column mounting base is mounted on the moxibustion canister in a detachable manner through a magnetic attraction structure.
08/14/14
20140228616
 Accelerated partial breast irradiation with shielded brachytherapy applicator system and method of use patent thumbnailnew patent Accelerated partial breast irradiation with shielded brachytherapy applicator system and method of use
The system and methods of the invention partially shields the radiation dose to the skin and/or other anatomical organs by using magnetically responsive material that blocks radiation, which may be fine grains of iron or other ferrous powder for example. The powder is typically injected into an ib applicator, along with inflating saline solution in case of msb, when a skin spacing problem is encountered, or there is a risk of high doses being delivered to the critical organs surrounding a lumpectomy cavity, for example.
08/14/14
20140228227
 Nanomagnetic detector array for biomolecular recognition patent thumbnailnew patent Nanomagnetic detector array for biomolecular recognition
A biomolecular sensor system includes an array of magnetoresistive nanosensors designed for sensing biomolecule-conjugated superparamagnetic nanoparticles. Materials and geometry of each sensor element are designed for optimized sensitivity.
08/14/14
20140227971
new patent User terminal and method for mutually becoming aware of awareness target terminal
Disclosed herein are a user terminal for performing mutual awareness with an awareness target terminal located within a preset distance and a method for performing mutual awareness between a user terminal and an awareness target terminal located within a preset distance. The user terminal includes a signal generation unit and a magnetic field formation unit.
08/14/14
20140227803
new patent Method for making a current-perpendicular-to-the-plane (cpp) magnetoresistive sensor having a low-coercivity reference layer
A method for making a current-perpendicular-to-the-plane (cpp) magnetoresistive (mr) sensor that has a reference layer with low coercivity includes first depositing, within a vacuum chamber, a seed layer and an antiferromagnetic layer on a substrate without the application of heat. The substrate with deposited layers is then heated to between 200-600° c.
08/14/14
20140227679
new patent Magnetic bead aggregation assay system
There is provided a method of aggregating a plurality of beads in a magnetic bead aggregation assay for subsequent analysis comprising: —providing magnetic beads comprising a capture probe for binding with said target analyte; —reacting the magnetic beads with the sample including a target analyte in a reaction chamber aggregating the magnetic beads in the presence of a magnetic field with the target analyte to allow formation of magnetic bead aggregates having physical properties detectable to enable characterisation of the aggregates on an aggregate by aggregate basis using a detector to measure the physical properties of the aggregates. Further provided are a method and system for detecting analytes in a sample by characterising the magnetic bead aggregates on an aggregate by aggregate basis by measuring physical properties of the aggregates..
08/14/14
20140227377
new patent Device for hot embossing of a polymer layer
A device for hot embossing of a magnetic nanoparticle (n)-containing polymer layer. The device includes an embossing die, a pressure application means and a magnetic field generating means.
08/14/14
20140227177
new patent Scanning suspension comprising a particle with a diameter of at least 1 micrometer
The invention provides a scanning suspension comprising a particle which is capable of at least in part disturbing a magnetic field, wherein said particle comprises a diameter of at least 1 μm, and use thereof for obtaining a scanning image. Preferably, said particle comprises holmium and a composition capable of essentially maintaining its structure during irradiation.
08/14/14
20140226959
new patent Device and method for heating an object in an intense magnetic field
The invention concerns a device for heating an object (6) in an intense magnetic field, comprising:—a light source (1), an optic fibre (2) for transporting the light emitted by said light source (1) and emitting a beam of light in the direction of the object (6) to be heated, a converging optical system (3), a diaphragm (4) positioned at the focusing point of the optical system (3),—a reflector (5), whereof the inner wall is defined by the revolution of a semi-parabola around an axis perpendicular to the optical axis of the parabola and passing through the focal point of said parabola, the optical axis of said reflector (5) coinciding with the optical axis (a) of the optical system (3) and the focal point (f″) of said reflector coinciding with the focusing point of said optical system (3).. .
08/14/14
20140226239
new patent Magnetic read sensor using spin hall effect
A magnetic sensor utilizing the spin hall effect to polarize electrons for use in measuring a magnetic field. The sensor eliminates the need for a pinned layer structure or antiferromagnetic layer (afm layer), thereby reducing gap thickness for increased data density.
08/14/14
20140226142
new patent Mirror system comprising at least one mirror for use for guiding illumination and imaging light in euv projection lithography
A mirror serves for use for guiding illumination and imaging light in euv projection lithography. The mirror has a reflective surface, the reflective surface forming a magnetic field in such a way that at least one polarization property of the illumination and imaging light is influenced via the magnetic field upon reflection.
08/14/14
20140225791
new patent Method for checking an antenna coil
A method for contactlessly checking the functionality of an antenna coil for a portable data carrier comprises the steps of exciting the antenna coil, detecting the free, damped oscillation of the antenna coil in response to the excitation, and evaluating the detected free, damped oscillation. The excitation of the antenna coil is effected inductively through a pulsed magnetic field, which may be generated by a single direct-current pulse, such as a a dirac pulse, by means of an exciting coil attached to a pulse generator.
08/14/14
20140225687
new patent Switching device
A switching device that causes a force to act on an arc to diffuse the arc, has a magnet that generates a magnetic field in a direction orthogonal to a direction of the arc, the arc being generated at moment at which a movable member is brought into contact with or separated from a contact of a fixed member to switch between electric conduction and electric cutoff. The magnet is a plastic magnet in which metal is exposed to a surface of the magnet..
08/14/14
20140225678
new patent Atomic oscillator, method of detecting coherent population trapping resonance and magnetic sensor
An atomic oscillator includes an alkali metal cell encapsulating an alkali metal atom; a light source that emits laser light; a light detector that detects light which has passed through the alkali metal cell; and a polarizer arranged between the alkali metal cell and the light detector. A modulation frequency in the light source is controlled, according to a coherent population trapping resonance which is a light absorption characteristic of a quantum interference effect for two kinds of resonant lights, by modulating the light source to generate sidebands and injecting laser lights with the sidebands into the alkali metal cell.
08/14/14
20140225643
new patent Method and system for providing a nonvolatile logic array
A method and system provide and program a nonvolatile logic device. The nonvolatile logic device includes input and output magnetic junctions and at least one magnetic junction between the input and output magnetic junctions.
08/14/14
20140225618
new patent Remote control switching device to control separate detection of a plurality of buried conductors
A system for detecting a plurality of buried conductors includes a transmitter configured to generate an alternating test signal for a plurality of buried conductors. The system further includes a receiver configured to detect an electromagnetic field produced by the alternating test signal in the plurality of buried conductors and a remote control configured to control the transmitter to generate the alternating test signal in one of the plurality of buried conductors..
08/14/14
20140225617
new patent Remote control switching device to control separate detection of a plurality buried conductors
A system for detecting a plurality buried conductors includes a transmitter configured to generate an alternating test signal for a plurality of buried conductors. The system further includes a receiver configured to detect an electromagnetic field produced by the alternating test signal in the plurality buried conductors and a remote control configured to control the transmitter to generate the alternating test signal in one of the plurality of buried conductors..
08/14/14
20140225615
new patent Method and apparatus for producing homogeneous magnetic fields
A method for shimming a magnetic field is disclosed. The method uses a single shim current to contribute to suppression of more than one geometrical component of an inhomogeneity in the magnetic field without changing the geometry of the shim path.
08/14/14
20140225614
new patent Detecting hazardous materials in containers utilizing nuclear magnetic resonance based measurements
A method of detecting hazardous materials in containers utilizing nuclear magnetic resonance (nmr) technology. The presence of precursors (e.g., h202) and/or nitrogen in the liquid in the container is determined by placing the container in a static magnetic field, exciting the container with electromagnetic pulses having a frequency corresponding to proton nmr and 14n nmr, and receiving radio frequency (rf) signals through a probe.
08/14/14
20140225611
new patent Device for mri imaging the near surface of tissue specimens
A system for mri imaging the near surface of tissue specimens wherein the volume of interest of the mri is held substantially within the surface-proximate tissue of the specimen by means of some combination of maneuvering the specimen, maneuvering the mri rf magnetic field magnet, maneuvering the mri rf receiver coil, maneuvering the static field magnets, and reshaping the tissue.. .
08/14/14
20140225610
new patent Magnetic resonance system with pulsed compensation magnetic field gradients
In order to detect a magnetic resonance (mr) signal in an examination region of an examination subject in a measurement field of an mr system with an mr imaging sequence, a magnetization in the examination subject is generated with a polarization field b0. The mr system has a magnet to generate the polarization field b0 with a first field inhomogeneity across the measurement field.
08/14/14
20140225608
new patent System and method for measuring induced radio frequency current using phase contrast magnetic resonance imaging
A method for automatically measuring currents induced on conducting structures positioned in the bore of a magnetic resonance imaging (“mri”) scanner using a single magnetic resonance image is provided. A conductive structure is positioned within the bore of the mri scanner during imaging.
08/14/14
20140225607
new patent Estimating molecular size distributions in formation fluid samples using a downhole nmr fluid analyzer
A method for estimating a property of subsurface material includes extracting a sample of the material using a downhole formation tester and performing a plurality of nuclear magnetic resonance (nmr) measurements on a sensitive volume in the sample where each measurement in the plurality is performed in a static homogeneous magnetic field with a pulsed magnetic field gradient that is different in magnitude from other nmr measurements to provide a waveform signal. The method further includes transforming each received waveform signal from a time domain into a frequency domain and comparing the frequency domain signal to a reference to provide proton chemical-shift information related to a chemical property of one or more molecules in the sample and transforming the frequency domain signals into a complex number domain that quantifies waveform signal amplitude changes to provide one or more diffusion rates with each diffusion rate being associated with a corresponding frequency..
08/14/14
20140225606
new patent Inspection device and inspection method
Provided are an inspection device and an inspection method capable of achieving improved magnetic field sensitivity by using a magnetic thin film of a small film thickness. A light-emitting unit 1 emits light of a first wavelength for acquiring magnetic field inspection information and a second wavelength for acquiring inspection object surface information.
08/14/14
20140225605
new patent Mtj three-axis magnetic field sensor and encapsulation method thereof
The present invention discloses a mtj triaxial magnetic field sensor, comprising an x-axis bridge sensor that has a sensing direction along an x-axis, a y-axis bridge sensor that has a sensing direction along a y-axis, a z-axis sensor that has a sensing direction along a z-axis, and an asic chip connected with and matched to the x-axis, y-axis, and z-axis sensor chips. The z-axis sensor includes a substrate and mtj magnetoresistive elements deposited on the substrate.
08/14/14
20140225601
new patent Device and method for measuring a magnetic field in an air-gap between a stator and a rotor of an electric machine
A device for measuring a magnetic field in an air-gap between a stator and a rotor of an electric machine includes a probe to detect the magnetic field and generate a signal indicative thereof and a display unit for the signal. The probe includes a plurality of sensors..
08/14/14
20140225598
new patent Magnetic field sensor and related techniques that provide varying current spinning phase sequences of a magnetic field sensing element
A magnetic field sensor can use a variety of different current spinning phase sequences, and/or can provide an angle error value to correct errors of the magnetic field sensor. An associated method is described..
08/14/14
20140225597
new patent Magnetic field sensor and related techniques that provide an angle correction module
A magnetic field sensor can use a variety of different current spinning phase sequences, and/or can provide an angle error value to correct errors of the magnetic field sensor. An associated method is described..
08/14/14
20140225560
new patent Battery with integrated wireless power receiver and/or rfid
A battery includes one or more rechargeable cells, a wireless power coil, a battery charger circuit, and may further include an rfid module. The wireless power coil is operable to generate an ac voltage from a wireless power electromagnetic field.
08/14/14
20140224996
new patent Method and apparatus for generation of a uniform-profile particle beam
The present invention pertains to an apparatus for generating a charged particle beam comprising a magnetic element for controlling the profile of the beam in a predetermined plane. A cathode can be provided for emitting charged particles and an anode for accelerating the charged particles along an axis of travel.
08/14/14
20140224711
new patent Vertical ring high gradient magnetic separator
A vertical ring high gradient magnetic separator comprises an exciting winding coil (11) and a coil casing (12), wherein the winding coil (11) is immerged in coolant in the coil casing (12), the winding coil (11) is of a multi-layer structure, and an insulating member is provided between each layer or a plurality of layers of the winding coil (11) to form gaps through which the coolant passes. The winding coil of the vertical ring high gradient magnetic separator has a rapid heat dissipation capability in the coolant, which can ensure the winding coil maintaining a lower temperature during operation, thereby obtaining a higher magnetic field strength..
08/14/14
20140224038
new patent Magnetic load sensor unit
A magnetic load sensor unit is provided which can detect a load with a minute movement of its part, and which is durable and less likely to be influenced by temperature. The sensor unit includes a flange member (1) deflectable when an axial load is applied, a support member (2) supporting the flange member (1), a magnetic target (3) which generates a magnetic field, and a magnetic sensor (4) for detecting the magnetic field generated by the magnetic target (3).
08/14/14
20140223922
new patent Temperature stabilization in semiconductors using the magnetocaloric effect
Apparatus and methods incorporate magnetocaloric materials in integrated circuit chip-carrier structures for electronic packages. An integrated circuit chip is electrically connected to a substrate.
08/07/14
20140222409
System and a method for mapping a magnetic field
A system for mapping a magnetic-field in a volume-of-interest comprising a magnetic-field transmitter, generating a magnetic-field in the volume-of-interest, a freestanding magnetic-field detector operative to freely move within the volume-of-interest, a pose-information-acquisition-module and a processor. The detector acquires measurements of flux of the magnetic-field at a plurality of poses.
08/07/14
20140222380
Method of electromagnetic modeling of finite structures and finite illumination for metrology and inspection
Electromagnetic modeling of finite structures and finite illumination for metrology and inspection are described herein. In one embodiment, a method for evaluating a diffracting structure involves providing a model of the diffracting structure.
08/07/14
20140222369
Simplified method for estimating the orientation of an object, and attitude sensor implementing such a method
A system and method for estimating the orientation of an object in space at the instant k using measurements of the total acceleration (ya), of magnetic field (ym) and of the speed of rotation (yg) of said object in relation to three space axes, comprising a step of preprocessing said measurements (ya, ym, yg) at an instant k so as to detect the existence of a disturbance in said measurements and to compute corrected measurements at the instant k and a step of estimating the orientation ({circumflex over (q)}k) at the instant k by an observer on the basis of the corrected measurements ({tilde over (y)}a,k, {tilde over (y)}m,k, {tilde over (y)}g,k) at the instant k obtained from the preprocessing step. The estimation step advantageously uses matrices for transforming the frame of the object into a fixed frame which are applied, in case of disturbance, to a quaternion deduced from the integration of a measurement of speed of rotation composed with a quaternion of orientation computed at the instant k−1..
08/07/14
20140222364
Magnetic field sensor and associated method that can establish a measured threshold value and that can store the measured threshold value in a memory device
A magnetic field sensor includes a true power on state (tpos) detector for which a measured threshold value is stored prior to power down and recalled upon power up. A corresponding method is associated with the magnetic field sensor..
08/07/14
20140222343
Distributed feedback fiber laser strain sensor systems and methods for subsurface em field monitoring
A disclosed subsurface electromagnetic field monitoring system includes at least one fiberoptic cable to optically communicate measurements from an array of electromagnetic field sensors in a borehole. The array of electromagnetic field sensors includes a distributed feedback fiber laser strain sensor with electromagnetic field sensitivity.
08/07/14
20140221726
Apparatus and method for electromagnetic treatment of neurodegenerative conditions
Described herein are methods of treating neurological injury and conditions, in particular neurodegenerative conditions. These treatment methods can include the steps of generating a pulsed electromagnetic field from a pulsed electromagnetic field source and applying the pulsed electromagnetic field in proximity to a target region..
08/07/14
20140221725
Shaped coils for transcranial magnetic stimulation
Described herein are shaped coil tms electromagnets formed by two bent magnetic coil loops joined at a vertex having an angle between the outer coil regions of the coils that is typically less than 120 degrees (e.g., between about 45 and about 70 degrees, 60 degrees, etc.). The vertex region shaped to optimize the magnetic field projected from the tms electromagnet.
08/07/14
20140221212
Microcapsules adapted to rupture in a magnetic field
Controlled release of one or more agricultural chemicals is provided by microcapsules adapted to rupture in a magnetic field. The microcapsules, which may be applied to soil, seeds and/or plants, each have a shell that encapsulates an agricultural chemical, such as a fertilizer, herbicide or insecticide.
08/07/14
20140221202
Microcapsules adapted to rupture in a magnetic field
Controlled release of one or more agricultural chemicals is provided by microcapsules adapted to rupture in a magnetic field. The microcapsules, which may be applied to soil, seeds and/or plants, each have a shell that encapsulates an agricultural chemical, such as a fertilizer, herbicide or insecticide.
08/07/14
20140220617
Dialysis like therapeutic (dlt) device
A dialysis like therapeutic (dlt) device is provided. The dlt device includes at least one source channel connected at least one collection channels by one or more transfer channels.
08/07/14
20140220533
Method of displaying electromagnetic field in hydrogen atom
The method assumes that a single solution or addition or subtraction of solutions of schrodinger equation represented by polar or parabolic coordinates having its maximum value at the origin gives a wave function and an electric potential of a hydrogen atom. The method further: (1) regards the result of applying a gradient vector operation and thereafter a sign inversion to the wave function as an electric field; regards segments connected successively along the direction of the electric field as electric lines of force; and draws the electric lines of force so as to be approximately proportional in number to the percentage of the wave function with a difference between the maximum and minimum values of the wave function regarded as 100; and (2) displaying the wave function as an electric potential in a contour drawing..
08/07/14
20140220509
Electro-magnetic cellular treatment
The invention relates to a method of increasing organic cell regeneration in a region of a subject. Cellular tissue in the region is subjected to a constant electromagnetic (em) field of less than 1 mt and having a radiation frequency between 7 hz and 8 hz with an em field generating device.
08/07/14
20140220498
Method for accelerating combustion, apparatus thereof and heat engine
A method for accelerating combustion includes installing a piezoelectric element in the vicinity of a combustion chamber that combusts fuel, applying a magnetic field to the piezoelectric element, and radiating electromagnetic waves that are produced by the piezoelectric element over at least the fuel in the combustion chamber. These electromagnetic waves include far-infrared radiation..
08/07/14
20140220400
Cable-type secondary battery capable of wireless charge
The present invention provides a cable-type secondary battery capable of wireless charge. The cable-type secondary battery according to the present invention can be applied in a wireless charging method, thereby being conveniently charged as compared with conventional batteries which are charged with wires, and has an outer current collector configured in a wound form, which can overcome the problem of local charge caused by the shape of conventional cable-type batteries.
08/07/14
20140219854
Method of consolidating/molding near net-shaped components made from powders
A method for consolidating a pre-form made of powder, comprising: (a) placing the pre-form between smart susceptors; (b) heating the smart susceptors to a leveling temperature by applying a varying low-strength magnetic field having a magnetic flux that passes through surfaces of the smart susceptors; (c) applying consolidation pressure to the pre-form at least during a time period subsequent to the temperature of the smart susceptors reaching the leveling temperature; and (d) while consolidation pressure is being applied, applying a pulsed high-strength magnetic field having a magnetic flux that passes through a surface of the pre-form. The strength and pulse rate of the high-strength magnetic field are selected so that the crystallographic phase of the pre-form will rapidly oscillate at a substantially constant temperature.
08/07/14
20140219407
Rotating high-density fusion reactor for aneutronic and neutronic fusion
A fusion device produces fusion of neutral atoms and ions in an “aneutronic fusion” manner without neutrons as products utilizes strong ion-neutral coupling at high neutral densities. Ions and neutrals rotate together in a cylindrical chamber due to frequent collisions.
08/07/14
20140219068
Analog electronic timepiece
An analog electronic timepiece, including: a magnetic field measurement unit; a time counting unit; a plurality of hands which are arranged so as to rotate freely; a hand control unit which controls rotation of the plurality of hands; and a timing control unit which executes the rotation of the hands by the hand control unit and measurement of a magnetic field by the magnetic field measurement unit so that periods of time do not overlap each other.. .
08/07/14
20140219046
Mixing apparatus and methods
A method and apparatus for the mixing of a solution and reagents for pcr reactions having a closed cartridge reaction well, a magnetically responsive bead within the well having an optically inert coating and a secondary chemically inert coating. A heat source then heats the contents to a target temperature while oscillating magnetic fields move the bead within the well in order to mix the contents and make the contents of the reaction well homogeneous..
08/07/14
20140218929
Kinetic flame device
An apparatus creating a flickering flame effect. The apparatus includes a housing with an interior space with first and second stages.
08/07/14
20140218887
High-voltage switching device with energy-supply device
The present invention relates to a high-voltage switching device with energy-supply device according to the preamble of the first claim. The general inventive idea consists in locating at least two oppositely wound first conductor loops in a first recessed region on the outer side of an emc-secure housing for a high-voltage switching device, the outer side of which is designed as a screening plate, and that these loops interact electrically with at least two other second conductor loops, also wound in opposite directions, which are disposed in a second recessed region on the inside of the emc-secure housing, also designed as a screening plate, such that due to the different directions of the windings of the first two conductive loops and the second two conductor loops, the current flows in opposite directions in the windings of the first and second two conductor loops, and thus each produces an opposing magnetic field, and these fields are additively superimposed such that the eddy currents on the outside and inside of the emc-secure housing compensate for one another, and thus an inductive energy supply system will be created through the emc-secure housing..
08/07/14
20140218795
Power scalable multi-pass faraday rotator
Transparent heat-conductive layers of significant thickness are bonded or adhered to opposing optical faces of a faraday optic to form a faraday optic structure that can be used with beam-folding mirrors and an external magnetic field to form a multi-pass faraday rotator with minimal thermal gradient across the beam within the faraday optic. The transparent heat conductive layers conduct heat through the faraday optic substantially parallel to the beam propagation axis for each pass through the faraday optic structure and thereby reduce thermal gradients across the beam cross section that would otherwise contribute to thermal lens focal shifts and thermal birefringence in the faraday optic structure.
08/07/14
20140218503
Apparatus and method for optical inspection, magnetic field and height mapping
A metrology system is configured to provide visual inspection of a workpiece, three-dimensional magnetic field map, and height measurement. A stage is configured to bring points of interest at the workpiece under the desired tool for measurement.
08/07/14
20140218442
Method and apparatus for printing of magnetic inks
A method of printing with a magnetic ink includes ejecting a plurality of magnetic ink drops onto a print medium in a print zone and applying a magnetic field to the ink drops on the print medium. The magnetic field increases a viscosity of the magnetic ink drops and reduces or eliminates absorption of the magnetic ink into a porous print medium such as paper..
08/07/14
20140218262
Antenna device and wireless communication apparatus
In order to increase flexibility regarding a disposition of an antenna coil and to enable a hot spot to be provided at a desired position, an antenna device includes a main coil antenna and a sub-coil antenna connected to the main coil antenna. A coil opening of the sub-coil antenna and a coil opening of the main coil antenna are arranged side by side in plan view so that the main coil antenna and the sub-coil antenna are magnetically coupled to each other.
08/07/14
20140218246
Antenna device and communication terminal apparatus
A multiband-capable antenna device includes a loop-shaped radiation element including a power feed end and a ground end, and a matching circuit including a first inductance element loaded at the power feed end and a second inductance element loaded at the ground end and magnetic-field coupled to the first inductance element. The loop-shaped radiation element is configured to resonate in a plurality of resonance modes including an even mode and an odd mode.
08/07/14
20140218157
Magnetic device with high saturation current and low core loss
A magnetic device includes a t-shaped magnetic core, a wire coil and a magnetic body. The t-shaped magnetic core includes a base and a pillar, and is made of an annealed soft magnetic metal material, a core loss pcl (mw/cm3) of the t-shaped magnetic core satisfying: 0.64×f0.95×bm2.20≦pcl≦7.26×f1.41×bm1.08, where f (khz) represents a frequency of a magnetic field applied to the t-shaped magnetic core, and bm (kgauss) represents the operating magnetic flux density of the magnetic field at the frequency.
08/07/14
20140218149
System configuration using a double helix conductor
An electrical system having an underlying structure resembling the double helix most commonly associated with dna may be used to produce useful electromagnetic fields for various applications.. .
08/07/14
20140218122
Spintronic oscillator, and use thereof in radiofrequency devices
An oscillator is provided including a nanopillar and current injector for injecting a power supply current through the nanopillar, the nanopillar including at least one pattern including first and second layers made from a ferromagnetic material separated from each other by an intermediate layer made from a non-magnetic material. Each of the first and second ferromagnetic layers is prepared such that its remanent magnetic configuration corresponds to a vortex configuration and the polarity of the vortex core of the first layer is opposite the polarity of the vortex core of the second layer.
08/07/14
20140218038
Method and system for mapping a geological structure of a formation on one side of a surface using magnetic moments of different values
A method for mapping geological structures of a formation on a side of a surface, includes: generating a magnetic moment using at least one magnetic moment generator to build up a magnetic field in the formation in an on-period, wherein the magnetic moment has a moment strength, and wherein the magnetic moment is positioned on another side of the surface; changing the magnetic moment to change the magnetic field; and making at least one record in a recording device at a recording time trecord in an off-period, wherein the record includes at least a representation of the change in the magnetic field and/or a representation of the magnetic field obtained by a b/e-measuring unit; wherein the on-period is separated from the off-period by the act of changing the magnetic moment.. .
08/07/14
20140218033
Magnetic resonance imaging system
A magnetic resonance imaging (mri) system includes a main magnet configured to generate a static magnetic field, a gradient coil configured to generate a gradient magnetic field, and a radio frequency (rf) coil including a plurality of rf coils corresponding to volumes representing target regions of a subject.. .
08/07/14
20140218031
Magnetic resonance imaging apparatus and control method thereof
A magnetic resonance imaging apparatus includes a magnetic assembly including a main magnet and a gradient coil unit and forming a static magnetic field and a gradient magnetic field in the bore thereof, and a gradient controller applying a test gradient waveform to the magnetic assembly, and compensating for a distortion of the magnetic field gradients, caused by eddy currents, by reflecting the actual shape of the applied test gradient waveform.. .
08/07/14
20140218028
Beam steering with resonance along a trajectory
A method for generating a magnetic resonance image includes configuring a magnetic field to correspond to a trajectory within a region of interest. The method includes applying rf excitation to spatially control a region of magnetic resonance corresponding to the trajectory.
08/07/14
20140218023
Nmr flowmeter with superconducting polarizer
A fluid flowmeter which uses nuclear magnetic resonance to determine quantities of flowing fluid(s) has a polarizing magnet system with magnets which are high temperature superconductors such as yttrium barium copper oxide (ybco) or bismuth strontium calcium copper oxide (bscco) which are superconducting at liquid nitrogen temperature and provide a greater magnetic field strength than conventional magnets. This may allow the flowmeter to accept higher through flow rate and/or may allow observation of 23na in an aqueous phase as well as 1h..
08/07/14
20140218022
Magnetic resonance system and method to acquire mr data and to determine a b1 magnetic field
In a method and magnetic resonance (mr) system to acquire mr data within a volume segment, the mr data are repeatedly acquired with a sequence that which includes the following steps. A first resonant rf pulse is radiated and a second resonant rf pulse is radiated.
08/07/14
20140218021
Method and magnetic resonance system to acquire mr data and to determine a b1 magnetic field
In a method to acquire magnetic resonance (mr) data within a volume segment with a magnetic resonance system, the mr data are repeatedly acquired with a sequence that includes radiating a first resonant rf pulse, radiating a second resonant rf pulse, applying a dephasing first gradient after the first resonant rf pulse and before the second resonant rf pulse, radiating a third resonant rf pulse after the second resonant rf pulse, applying a second gradient after the third rf pulse in order to refocus a stimulated echo of a magnetization component prepared by the first gradient, and read out mr data. At least one of the first gradient and/or the second gradient is/are different in a respective repetition of the sequence and an additional repetition of the sequence that directly follows the respective repetition..
08/07/14
20140218019
Sensor package and method for producing a sensor package
Some embodiments herein relate to a sensor package. The sensor package includes a printed circuit board with a laminar current conductor arranged on a first main surface of the printed circuit board.
08/07/14
20140218018
Apparatus and method for in situ current measurement in a conductor
Improved current sensing methods and apparatus and conductor apparatus are presented for sensing current in a bus bar or other conductor using one or more circular magnetic sensors or multiple magnetic sensors disposed on a substrate in a pattern surrounding a longitudinal path within the outer periphery of the conductor to avoid or mitigate sensed magnetic field crosstalk and to facilitate use of high sensitivity magnetic sensors at locations inside the conductor periphery in which the magnetic field is relatively small.. .
08/07/14
20140218017
Transient electromagnetic geophysics system with cooperative source(s)
A cooperative source electromagnetic induction (emi) device includes: a transmitter configured to generate a time-varying primary magnetic field in the vicinity of a target object, which magnetic field inductively couples with the target object to generate a target object secondary magnetic field; and a cooperative source to which the primary magnetic field is also inductively coupled, generating one or more respective cooperative source secondary magnetic fields. The target object and the cooperative source are inductively coupled via the target object secondary magnetic field and the cooperative source secondary magnetic field.
08/07/14
20140218016
Magnetic profile measuring device and method for measuring magnetic profile for alternating-current magnetic field
A magnetic profile measuring device which scans a space where an alternating-current magnetic field exists by a magnetized probe on a tip of a driven cantilever, detects vibration of the cantilever, and generates an image of magnetic field distribution of the space, the device including: the cantilever having the probe equipped on the tip thereof; a driver driving the cantilever; a vibration sensor detecting vibration of the probe wherein the driven vibration of the cantilever is frequency-modulated by the alternating-current magnetic field; a demodulator demodulating from a detection signal of the vibration sensor a magnetic signal corresponding to an alternating-current magnetic field; a scanning mechanism; a data storage storing an initial data for each coordinate of the space; a modified data generator recalling the initial data from the data storage and generating a plurality of data by modifying the phase of the initial data; and an image display device.. .
08/07/14
20140218013
Magnetic position sensors, systems and methods
Magnetic position sensors, systems and methods are disclosed. In an embodiment, a position sensing system includes a magnetic field source; and a sensor module spaced apart from the magnetic field source, at least one of the magnetic field source or the sensor module configured to move relative to the other along a path, the sensor module configured to determine a position of the magnetic field source relative to the sensor module from a nonlinear function of a ratio of a first component of a magnetic field of the magnetic field source to a second component of the magnetic field of the magnetic field source..


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Magnetic Field topics: Magnetic Field, Transverse, Magnetic Separator, Homogeneous, Photovoltaic Cell, Semiconductor, Compliance, Anisotropy, Crystallin, Electrical Machine, Wireless Power, Transmitter, Radial Direction, Eddy Currents, Calibration

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