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| Number | Title | Issue Date |
| 8154280 | Thin film lamination, thin film magnetic sensor using the thin film lamination and method for manufacturing the thin film lamination Relating to a thin film lamination and a thin film magnetic sensor using the thin film lamination and a method for manufacturing the thin film lamination that realizes a thin film conducting layer having high electron mobility and sheet resistance as an InAsSb opera... | 04/10/2012 |
| 8098067 | Magnetic sensor element and magnetic sensor using the same The present invention provides a fluxgate magnetic sensor element which includes: a substrate; an exciting pattern which is disposed on the substrate to generate a magnetic field; a magnetic thin film pattern for detection which is disposed adjacent to the exciting ... | 01/17/2012 |
| 7952349 | Apparatus and method utilizing magnetic field Apparatus and method for harvesting energy from the environment and/or other external sources and converting it to useful electrical energy. The harvester does not contain a permanent magnet or other local field source but instead relies on the earth's magnetic fiel... | 05/31/2011 |
| 7808236 | Energy harvester utilizing external magnetic field Apparatus and method for harvesting energy from the environment and/or other external sources and converting it to useful electrical energy. The harvester does not contain a permanent magnet or other local field source but instead relies on the earth's magnetic fiel... | 10/05/2010 |
| 7782049 | Magnetic device A magnetic device comprises a magnetic element, a first magnetic field application device, and a second magnetic field application device. The first and second magnetic field applying means are disposed on mutually opposite sides of the magnetic element. The magneti... | 08/24/2010 |
| 7772841 | Magnetic device A magnetic device comprises a magnetic element, a first magnetic field applying means, and a second magnetic field applying means. The first and second magnetic field applying means are disposed on mutually opposite sides of the magnetic element. The magnetic elemen... | 08/10/2010 |
| 7683612 | Thin film magnetic sensor The thin film magnetic sensor comprising a GMR film having a Giant Magneto-Resistance effect; and thin film yokes formed of a soft magnetic material connected electrically to both ends of the GMR film; wherein the thin film yoke ha... | 03/23/2010 |
| 7425824 | Magnetoresistive sensor A magnetic sensor, system and method include a magnet located proximate to a target comprising a plurality of teeth and a plurality of slots formed therebetween. An integrated circuit is located on a side of the magnet wherein the integrated circuit comprises a plur... | 09/16/2008 |
| 7414399 | Micromagnetometer of the fluxgate type with improved excitation coil The invention relates to a fluxgate micromagnetometer implemented in thin layers, fitted with at least one excitation coil with an arrangement and a structure that bring improvements particularly in terms of the magnetometer footprint, reduction in the “offsets”... | 08/19/2008 |
| 7411391 | Magnetic-field-measuring probe A magnetic-field-measuring probe includes at least one magnetoresistive or magnetoinductive sensor which is sensitive to the magnetic field along a privileged measurement axis. The probe includes: at least two magnetoresistive or magnetoinductive sensors (14, 16 | 08/12/2008 |
| 7408343 | Position detection utilizing an array of magnetic sensors with irregular spacing between sensing elements A magnetoresistive sensor system includes a plurality of chip carriers, such that each integrated circuit among the plurality of chip carriers is associated with a respective magnetoresistive sensing components. A plurality of magnetoresistive sensing components can... | 08/05/2008 |
| 7407596 | Fluxgate sensor integrated in printed circuit board and method for manufacturing the same A fluxgate sensor is integrated in a printed circuit board. The fluxgate sensor has two bar-type (or rectangular-ring shaped) soft magnetic cores to form a closed magnetic path on a printed circuit board and an excitation coil in the form of a metal film is wound ar... | 08/05/2008 |
| 7405559 | Low-power giant magneto-impedance magnetic detector that utilizes a crystal controlled oscillator The present invention is an electrical circuit for a sensor designed to detect external magnetic fields. The circuit is composed of a stable voltage reference source, connected to a low frequency amplifier where the operating point of the amplifier depends on the vo... | 07/29/2008 |
| 7400143 | Magnetic bias film and magnetic sensor using the same A magnetic bias film 9 includes a magnetic bias magnet 11 that has magnetic layers and generates a magnetic field within a plane perpendicular to a lamination direction of the magnetic layers, which is manufactured in the shape of substantially a recta... | 07/15/2008 |
| 7400137 | Magnetic encoder having a stable output property with unsaturated magnetic sensor The present invention provides a magnetic sensor suitable for high resolution and having high reliability by achieving stable output even at the occurrence of variations in a gap between a magnetic medium and the magnetic sensor, and a magnetic encoder using the mag... | 07/15/2008 |
| 7394249 | Printed circuit board with weak magnetic field sensor Disclosed is a printed circuit board with a weak magnetic field sensor according to the present invention, which includes a substrate having first excitation circuits and first detection circuits formed on both sides thereof. First laminates are layered on both side... | 07/01/2008 |
| 7394247 | Magnetic field angle sensor with GMR or MTJ elements The invention discloses a sensor for 360-degree magnetic field angle measurement. It comprises multiple GMR (or MTJ) stripes with identical geometries except for their orientations. These are used as the building blocks for a pair of Wheatstone bridges that signal t... | 07/01/2008 |
| 7394248 | Method and structure to reset multi-element MTJ The process margin for the manufacture of devices formed from multi-element MTJ or GMR devices has been widened by providing a method and structure to reset the magnetization directions of all pinned layers simultaneously so that their directions of magnetization be... | 07/01/2008 |
| 7385394 | Integrated magnetic sensor component A sensor component used to measure a magnetic field strength is disclosed. In one embodiment, the sensor component contains a plurality of leads and a sensor semiconductor chip, which measures the magnetic field strength. The sensor semiconductor chip has pads on it... | 06/10/2008 |
| 7382123 | Micro fluxgate sensor and method of manufacturing the same A micro-machining method of manufacturing a micro fluxgate sensor manufactured having an amorphous magnetic core includes forming lower coils of an excitation coil and a magnetic field detecting coil on a wafer, depositing a first insulating layer on the lower coils... | 06/03/2008 |
| 7375515 | Magnetic sensor circuit and semiconductor device capable of temperature compensation A magnetic sensor circuit supplying an excitation current to an MI device, and having a detection signal supplied thereto corresponding to a magnetic field intensity from the MI device based on the excitation current. The magnetic sensor circuit includes a pulse cur... | 05/20/2008 |
| 7375516 | Magnetic field detector, current detector, position detector and rotation detector employing it A magnetic field detector having a reference magnetoresistive element and a magnetic field detecting magnetoresistive element. The reference magnetoresistive element and the magnetic field detecting magnetoresistive element each has a stack structure including an an... | 05/20/2008 |
| 7372261 | Printed circuit board integrated with a two-axis fluxgate sensor and method for manufacturing the same A printed circuit board integrated with a two-axis fluxgate sensor includes a first soft magnetic core formed lengthwise in a first axial direction, a first excitation coil formed of a metal film and wound around the first soft magnetic core, a first pick-up coil fo... | 05/13/2008 |
| 7368908 | Magnetic element A magnetic element in a flat-plate shape includes a linearly-extending first flat plate being made of one of a magnetic material and a conductive material and a helical second flat plate being made of the other of the magnetic material and the conductive material, a... | 05/06/2008 |
| 7369027 | High frequency magnetic thin film, composite magnetic thin film and magnetic device using them A high frequency magnetic thin film characterized by comprising a first layer made of a T-L composition (here, T is Fe or FeCo, and L is one or more of C, B, and N) and a second layer comprising a Co-based amorphous alloy arranged on either of the surfaces of the fi... | 05/06/2008 |
| 7362098 | Magnetic field sensor Two coil forming elements (12, 14) formed of conductor layers and a contact means (19), which is formed in an interlayer dielectric film (13) interposed between the conductor layers and brings the upper and lower coil forming elements into conta... | 04/22/2008 |
| 7358723 | Magnetoresistive sensor What is described is a magnetoresistive sensor for operation with a magnetized encoder, which is equipped with a zone with magnetic north and south poles arranged alternately along a direction of motion, comprising a Wheatstone bridge configuration with a first brid... | 04/15/2008 |
| 7352178 | Nanostructured magnetoresistive network and corresponding method for detection of magnetic field Described herein is a magnetoresistive network responsive to a magnetic field of the type comprising a plurality of magnetoresistive elements. According to the invention, the one or more magnetoresistive elements comprise at least one magnetoresistive element in the... | 04/01/2008 |
| 7351593 | Method of improving on-chip power inductor performance in DC-DC regulators A method is provided for forming the ferromagnetic core of an on-chip inductor structure. In accordance with the method, a static, permanent magnet is placed in proximity to a semiconductor wafer upon which the ferromagnetic core is being electroplated. The permanen... | 04/01/2008 |
| 7348772 | Printed circuit board having weak magnetic field sensor and method of manufacturing the same A Printed Circuit Board (PCB) having a weak magnetic field sensor of the present invention includes a base plate on which a first excitation circuit and a first detection circuit are formed on each of the sides thereof, soft magnetic core bodies laminated on the top... | 03/25/2008 |
| 7345475 | Ultrasensitive magnetoelectric thin film magnetometer and method of fabrication An ultrasensitive room temperature magnetoelectric thin film magnetometer is fabricated on a cantilever beam and includes an active magnetoelectric multilayer structure having a plurality of thin films formed at a region defined on the cantilever beam. Upon applicat... | 03/18/2008 |
| 7345477 | Magnetic detection device including resistance adjusting unit In a magnetic detection device for obtaining an output from between a variable resistance element using the magnetoresistance effect and a reference resistance element, a balance between resistance values in the device can be easily adjusted in a wide range. A volta... | 03/18/2008 |
| 7336070 | Bridge circuited magnetic sensor having magneto-resistive element and fixed resistor with the same layer configuration The application provides a magnetic sensor which can suppress an irregularity of a central potential due to a change in a temperature, decrease size of the sensor, and lower the manufacturing cost of the sensor. A magneto-resistive element and fixed resister are pro... | 02/26/2008 |
| 7318352 | Method for producing stress impedance effect element and that element A method for producing a stress impedance effect element, the method including: connecting opposite ends of a magnetostrictive amorphous thin wire and respective electrodes by ultrasonic bonding; forming a groove in an elastic thin substrate having a thermal expansi... | 01/15/2008 |
| 7312609 | GMR sensor element and its use A GMR sensor element is proposed, having a rotationally symmetrical positioning of especially eight GMR resistor elements which are connected to each other to form two Wheatstone's full bridges. This GMR sensor element is especially suitable for use in an angle sens... | 12/25/2007 |
| 7309888 | Spin based electronic device A thin film sensing device operates based on a spin polarized current. The spin device includes ferromagnetic layers characterized by different coercivities and/or magnetization states, and one or more low transmission barriers in between. The device is further conf... | 12/18/2007 |
| 7304475 | Mechanism for and method of biasing magnetic sensor A magnetic sensor package having a biasing mechanism involving a coil-generated, resistor-controlled magnetic field for providing a desired biasing effect. In a preferred illustrated embodiment, the package broadly comprises a substrate; a magnetic sensor element; a... | 12/04/2007 |
| 7301332 | Magnetic sensor assembly A sensor assembly includes a first magneto-resistive field sensor in a first surface-mountable package, which measures first and second components of a magnetic field projected onto respective different first and second axes with respect to a spatial orientation of ... | 11/27/2007 |
| 7298140 | Three-dimensional magnetic direction sensor, and magneto-impedance sensor element A three-dimensional magnetic bearing sensor 10a includes a first sensor 101, a second sensor 102, and a third sensor 103 each constituted by a magneto-impedance sensor element 10 comprising a magnetic sensitive member 2 | 11/20/2007 |
| 7268543 | Device for detecting magnetic fields and related detecting methods A device for detecting magnetic fields, of the type comprising at least one element made of hard 5 magnetic material (12) and an element made of soft magnetic material (13) associated an element made of semiconductor material (11), electr... | 09/11/2007 |
