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| Number | Title | Issue Date |
| 8174261 | Magnetic film sensor with a deformable part A magnetic film sensor comprises a magnetic film for generating a magnetostriction, and a magnetostrictive structure for generating a magnetostriction in the magnetic film. The magnetostrictive structure is constructed so as to generate a magnetostriction by curving... | 05/08/2012 |
| 8174260 | Integrated circuit with magnetic material magnetically coupled to magneto-resistive sensing element An integrated circuit including a first magneto-resistive sensing element, magnetic material and a spacer. The magnetic material is situated laterally to the first magneto-resistive sensing element. The spacer is situated between the first magneto-resistive sensing ... | 05/08/2012 |
| 8164330 | Magnetic sensor and magnetic field strength measurement method saturating magnetization of magnetization-free layer The magnetic sensor according to the present invention includes: a magneto-resistive effect element which has a stacked body in which a magnetization-free layer, a nonmagnetic layer, and a magnetization fixed layer are stacked in this order, and the longitudinal dir... | 04/24/2012 |
| 8164331 | Magnetic field measurement method and magnetic sensor The magnetic field measurement method has: a step of preparing a magnetic sensor which includes: a magneto-resistive effect element having a magnetization-free layer and a magnetization fixed layer, and having a longitudinal direction; and magnetic field application... | 04/24/2012 |
| 8164332 | Magnetoresistive sensor for determining an angle or a position A magneto-resistive resistor for use in sensors for determining alignment of the sensor relative to a homogeneous magnetic field include an anisotropic magnetoresistive (AMR) strip having a longitudinal extent and a first and second edge along the longitudinal exten... | 04/24/2012 |
| 8154282 | Magnetic field-sensitive component comprising a diluted magnetic semiconductor, devices incorporating same and use method The invention concerns a magnetic field-sensitive component, a magnetic field sensing device and a memory structure each incorporating said component, and a method for detecting a magnetic field using said component. A component according to the invention comprises:... | 04/10/2012 |
| 8138758 | Method of controlling a magnetoresistive device using an electric field pulse A method of operating a magnetoresistive device is described. The device comprises a ferromagnetic region configured to exhibit magnetic anisotropy and to allow magnetisation thereof to be switched between at least first and second orientations and a gate capacitive... | 03/20/2012 |
| 8134361 | Magnetic sensor including magnetic field detectors and field resistors arranged on inclined surfaces A magnetic sensor including sensor bridge circuits, each including a pair of magnetic field detectors and a pair of fixed resistors. The magnetic field detectors in each bridge circuit are located on the same inclined surface, while the fixed resistors are each loca... | 03/13/2012 |
| 8129988 | Method and system for adjusting the sensitivity of a magnetoresistive sensor The system for measuring high currents or magnetic fields using a magnetoresistive sensor (80) includes a device for applying a known predetermined magnetic bias field Hbias in a direction such that it has a non-zero component of the field perpendi... | 03/06/2012 |
| 8106654 | Magnetic sensor integrated circuit device and method An sensor includes a substrate with a magnetic field sensor mounted on the substrate. The magnetic field sensor has a first surface defining a plane. A magnetic flux conducting member has a second surface that is not parallel to the first surface. A non-magnetic mem... | 01/31/2012 |
| 8102175 | Magnetic field sensor device A magnetic field sensor device includes at least two magneto-resistive sensor elements and one switch which is connected to the at least two magneto-resistive sensor elements, and makes at least one magneto-resistive sensor element of the at least two magneto-resist... | 01/24/2012 |
| 8093892 | System with 90 degree sense layer magnetic orientation A system including a sense layer, a first pinned layer and a first interlayer. The first pinned layer is held in a fixed magnetic orientation. The first interlayer is configured to couple the sense layer and the first pinned layer and provide a magnetic orientation ... | 01/10/2012 |
| 8080994 | Integrated current sensor An integrated current sensor includes a current conductor, a magnetic field transducer, and an electromagnetic shield. The magnetic field transducer includes a sensor die. The electromagnetic shield is disposed proximate to the sensor die. The electromagnetic shield... | 12/20/2011 |
| 8063632 | Method and apparatus for defined magnetizing of permanently magnetizable elements and magnetoresistive sensor structures A method of magnetizing a permanently magnetizable element associated with a magnetic field sensor structure includes generating a test magnetic field penetrating the magnetic field sensor structure and the permanently magnetizable element, detecting the magnetic fi... | 11/22/2011 |
| 8063634 | Electronic circuit and method for resetting a magnetoresistance element An electronic circuit includes a primary magnetoresistance element for providing a first output signal proportional to a magnetic field. The primary magnetoresistance element has a primary maximum response axis. The primary magnetoresistance element also has a hyste... | 11/22/2011 |
| 8063633 | Magnetoresistive magnetic field sensor structure A magnetic field sensor structure including a first magnetoresistive element in a spin-valve arrangement with a first reference layer structure with a first reference magnetization direction and a second magnetoresistive element in a spin-valve arrangement with a se... | 11/22/2011 |
| 8063635 | Magnetoresistive sensor with three corners with two wiring connections The invention relates to a magnetoresistive sensor with a triangle made of magnetic sensitive material with three corners with two wiring connections, wherein the three sides of the triangle have different or at least substantially equal length. ... | 11/22/2011 |
| 8058870 | Methods and systems for magnetic sensing One embodiment relates to a method of manufacturing a magnetic sensor. In the method, an engagement surface is provided. A magnet body is formed over the engagement surface by gradually building thickness of a magnetic material. The magnet body has a magnetic flux g... | 11/15/2011 |
| 8049495 | Probe for a magnetic remanence measurement method, and method for detecting deposits of foreign material and inclusions in hollow spaces A probe for a magnetic remanence measurement method, in particular for detecting foreign material deposits and inclusions in hollow spaces, the hollow spaces being formed in a non-ferromagnetic material and the foreign material deposits and inclusions being made of ... | 11/01/2011 |
| 8022696 | Magnetic field sensing element having magnetic nanoparticles A magnetic field sensing element includes a pair of electrodes; a dielectric polymer layer separating the electrodes; and a network of magnetic nanoparticles in the insulating layer forming a current flow path between the electrodes; where the network of magnetic na... | 09/20/2011 |
| 8018229 | Structure and method for flex circuit on a chip A method of fabricating a multi-axis sensor is provided. The method includes forming patterns of sacrificial material overlaying a substrate and overlaying a flexible material on the sacrificial material and an anchor-surface of the substrate. The flexible material ... | 09/13/2011 |
| 7990139 | Two-axis geo-magnetic field sensor with elimination of eefect of external offset magnetic fields Disclosed is a small-sized two-axis magnetic field sensor having a function to cause a magnetic field canceling an external offset magnetic field. The two-axis magnetic field sensor contains a plane coil disposed on a plane and four sets of magneto-resistance elemen... | 08/02/2011 |
| 7982461 | Magnetic sensor and manufacturing method therefor A magnetic sensor includes a plurality of giant magnetoresistive elements, each of which includes a free layer, a conductive layer, and a pin layer sequentially laminated on a substrate, wherein the pin layer formed by sequentially laminating a first magnetic layer,... | 07/19/2011 |
| 7977941 | Magnetic field sensing device A magnetic field sensing device for determining the strength of a magnetic field, includes four magnetic tunnel junction elements or element arrays (100) configured as a bridge (200). A current source is coupled to a current line (116) disposed ... | 07/12/2011 |
| 7969149 | Magnetic sensor, magnetic direction sensor, method of detecting magnetic field and method of detecting magnetic direction A magnetic direction sensor can detect at higher precision the magnitude and direction of a detected magnetic field. The magnetic direction sensor has a measuring section, a storage section and an operating section. The measuring section has first and second MR elem... | 06/28/2011 |
| 7965077 | Two-axis magnetic field sensor with multiple pinning directions A fabrication process and apparatus provide a high-performance magnetic field sensor (200) from two differential sensor configurations (201, 211) which require only two distinct pinning axes (206, 216) which are formed from a single reference la... | 06/21/2011 |
| 7960970 | Magnetic sensor and manufacturing method of the same A magnetic sensor having a reduced size and cost is provided. More particularly, the magnetic sensor includes a magnetic field detection chip having a magnetic field detection element for detecting a magnetic field and an output terminal for outputting an output sig... | 06/14/2011 |
| 7956608 | Method of using group III-V ferromagnetic/non-magnetic semiconductor heterojunctions and magnetodiodes Methods of use of ferromagnetic Group III-V semiconductor/non-magnetic Group III-V semiconductor heterojunctions, with a magnetodiode device, to detect heterojunction magnetoresistance responsive to an applied magnetic field. ... | 06/07/2011 |
| 7956609 | Magnetic sensor including a spin-valve GMR device The magnetic sensor comprises a spin-valve GMR including a free layer having an elongated form as seen in a laminating direction and a permanent magnet layer having an elongated form as seen in the laminating direction. The permanent magnet layer is arranged in para... | 06/07/2011 |
| 7956610 | Sensor for sensing a magnetic field direction, magnetic field direction sensing, method for producing magnetic field sensors, and write-in apparatus for producing magnetic field sensors A sensor for sensing a magnetic field direction has a plurality of magnetoresistive sensor elements, each of which having a main sensitivity direction with respect to a present magnetic field. Lines associated with the main sensitivity directions of the magnetoresis... | 06/07/2011 |
| 7948234 | Magnetic sensor and method for producing the same A magnetoresistive element includes, in plan view, an element section and an extension region extending from an end portion of the element section; and an insulation layer is formed on the element section and the extension region. A contact hole having a recessed sh... | 05/24/2011 |
| 7944203 | Corrosion evaluation device and corrosion evaluation method A corrosion evaluation device for performing a quantitative evaluation of corrosion by measuring a quantity of decrease in the thickness of a magnetic material which is covered by a non magnetic material or a magnetic material which is not covered by a non magnetic ... | 05/17/2011 |
| 7940042 | Method and apparatus for testing magnetoresistive effect element A method for testing an MR element includes a step of obtaining a ferromagnetic resonance frequency f0 of the MR element to be tested by applying an external magnetic field in a track-width direction to the MR element, a step of calculating a stiffness ma... | 05/10/2011 |
| 7923998 | Sensor device A sensor device has a sensor assembly with at least one sensor element, an additional sensor assembly having at least one additional sensor element, and a switch-in element which couples the additional sensor assembly to the sensor assembly responsive to a switch-in... | 04/12/2011 |
| 7898249 | Reorientation of magnetic layers and structures having reoriented magnetic layers Methods of reorienting ferromagnetic layers of a plurality of magnetoresistive elements and structures formed by the methods. The plurality of magnetoresistive elements, preferably GMR multilayer elements, are manufactured and arranged on a planar substrate. The met... | 03/01/2011 |
| 7884601 | Magnetic detection device and electronic apparatus equipped with the same A magnet is contained in a display housing and is supported by a slidable operating member. A control housing contains a magnetoresistance effect element. Slidable shifting of the operating member causes an external magnetic field in a positive (+) direction and an ... | 02/08/2011 |
| 7868613 | Magnetic sensor and manufacturing method thereof First and second MR elements are provided with a plurality of element patterns each having a stacked structure. The stacked structure includes a free layer changing its magnetization direction depending on an external magnetic field, an intermediate layer generating... | 01/11/2011 |
| 7859258 | Magnetic sensor and magnetic sensor module Magnetoresistive effect elements are provided with an element unit having an elongated shape in which an element length L1 is formed to be longer than an element width W1. The element unit has a fixed magnetic layer and a free magnetic layer laminated ... | 12/28/2010 |
| 7855555 | Method and apparatus for magnetic field measurements using a magnetoresistive sensor The device for measuring magnetic field by using a magnetoresistive sensor comprises at least one magnetoresistive sensor (5), a module (50) for measuring the resistance of the magnetoresistive sensor (5), a generator module (40, 6) for g... | 12/21/2010 |
| 7855556 | Magnetic sensor and magnetic sensor module A magnetic sensor including a magnetoresistive effect element has the following structure. Element units each having an element width W1 and an element length L1 perpendicular to the element width W1 and producing a magnetoresistive effect in wh... | 12/21/2010 |
