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7615996 |
Examination method for CPP-type magnetoresistance effect element having two free layers
An examination method is structured, with respect to a magnetization direction of an orthogonalizing bias function part formed on a posterior part of an magnetoresistance (MR) effect element, of...
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7615995 |
Thin film device for detection of physical quantities
A thin-film device for detecting the variation of intensity of physical quantities, in particular a magnetic field, in a continuous way, comprises an electrical circuit including one or more...
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7615994 |
Magnetoresistive speed sensor
Consistent with an example embodiment, there is a magnetoresistive speed sensor with a permanent magnet and a sensor for a magnetic field for detecting the speed of an object rotating about an...
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7602178 |
Magnetoresistive sensor for measuring the strength of a magnetic field
A magnetoresistive sensor for measuring the strength of a magnetic filed includes a stack of a reference element, a separation element and an element sensitive to the magnetic field. The reference...
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7602176 |
AMR sensor element for angle measurement
In order to provide a magneto-resistive angle sensor ( 100 ) comprising a sensor device for detecting an angle (α) of an external magnetic field relative to a reference axis of the sensor device,...
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7598835 |
Magnetic sensor, production process of the magnetic sensor and magnetic array suitable for the production process
The present invention aims to provide a magnetic sensor provided with a magnetoresistive effect element capable of stably maintaining a direction of magnetization in a magnetic domain of a free...
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7598736 |
Integrated circuit including magneto-resistive structures
An integrated circuit includes two first adjacent magneto-resistive effect (xMR) structures. Each first xMR structure is configured to sense a first magnetic field direction. The integrated circuit...
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7592805 |
Magnetic detection device having bridge circuit provided with resistance adjustment portion and method of manufacturing the same
In a magnetic detection device using a magnetic resistance element, the resistance of a layer having a multi-layer structure can be easily adjusted without causing damages to the layer. A...
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7592803 |
Highly sensitive AMR bridge for gear tooth sensor
An AMR gear tooth rotation sensor and a method for utilizing it are disclosed. These facilitate easy manufacture of the device without sacrificing either high sensitivity or high signal output....
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7589939 |
Magnetic sensor using giant magnetoresistive elements and method for manufacturing the same
A magnetic sensor includes a single substrate, a conventional GMR element formed of a spin-valve film including a single-layer-pinned fixed magnetization layer, and a SAF element formed of a...
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7589528 |
Magnetic sensor formed of magnetoresistance effect elements
On a single chip are formed a plurality of magnetoresistance effect elements provided with pinned layers having fixed magnetization axes in the directions that cross each other. On a substrate 10 ...
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7589527 |
Elongated magnetic sensor
A magnetoresistive device disposed in an elongated magnetic sensor, for example, has two parallel arrays of magnetosensitive elements arranged at regular intervals in the longitudinal direction....
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7583081 |
Magnetostrictive multi-layer sensor for detecting a deformation
A sensor includes a substrate having a mechanically deformable region that is deformable in a direction non-parallel to a surface of the substrate, and a magnetostrictive multi-layer sensor element...
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7564656 |
Integrated servo and read EMR sensor
An integrated servo and read device implementing Extraordinary Magnetoresistive (EMR) sensors. In one embodiment, dedicated EMR sensors are employed: one for data reading and one for servo...
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7564238 |
Magnetic detection device connecting element and detection circuit and method of manufacturing the same
A magnetic detection device has stable characteristics having an area of a resist layer covering an insulating passivation layer, forming the magnetic detection element and a connection layer on a...
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7557571 |
Fluxgate sensor integrated in semiconductor substrate and method for manufacturing the same
A fluxgate sensor is integrated in a semiconductor substrate. The fluxgate sensor has two bar type soft magnetic cores, or a rectangular-ring type soft magnetic core to form a closed magnetic path...
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7554325 |
Magnetic sensor with needle-shaped detecting part
A magnetic sensor has a needle-shaped detecting part. The needle-shaped detecting part includes a substrate cut to have a needle shape, at least one MR element formed on the substrate, at least two...
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7548060 |
Magnetic sensor system
A magnetic sensor system ( 1 ) is provided that contains sensor elements ( 5, 6 ) that are sensitive to magnetic fields, the electrical properties of said sensor elements being modifiable according...
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7545138 |
Precision, temperature-compensated, shielded current measurement device
A current measurement device using a Rogowski coil having a generally toroidally shaped core with flattened faces, a first winding in one direction, a second winding forming a return loop, and a...
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7511483 |
Device for sensing RF field
The device for sensing a RF field comprises a flux-receiving loop ( 1 ) including a circumferential path having a defined path width (d), the flux-receiving loop ( 1 ) having a portion ( 10 ) that...
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7508203 |
Magnetic field detector, and current detection device, position detection device and rotation detection devices using the magnetic field detector
A magnetic field detector having a reference magnetoresistive element and a magnetic field detecting magnetoresistive element. The reference magnetoresistive element and the magnetic field...
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7508200 |
Means and method for reducing magnetic cross-talk in biosensors
A magnetic sensor (MS) for sensing a magnetic stray field (SF) generated by magnetizable object (SPB) when magnetized and for generating an electrical object signal (U OB ) which depends on the...
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7504824 |
Magnetic sensor with offset magnetic field
A method, a magnetic field sensor, and an electronic device measure and determine the magnitude and/or the direction of a magnetic field. The magnetic sensor is based on at least a first...
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7498805 |
Magnetoresistive layer system and sensor element having this layer system
A magnetoresistive layer system, in an environment of a magnetoresistive layer stack that works particularly on the basis of the GMR effect or the AMR effect, a layer array being provided which...
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7495434 |
Magnetoresistive sensor element for sensing a magnetic field
A magnetoresistive sensor element has a first magnetic layer structure, a second magnetic layer structure, and a barrier layer. The resistance R 1 of the first magnetic layer structure, the...
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7492150 |
Circuit arrangement method for obtaining an output signal, and rotational speed measurement device comprising such a circuit arrangement
A circuit arrangement for obtaining an output signal (Va) form a signal (Vs) containing at least one alternating component comprises a signal source ( 1 ) that supplies this signal (Vs), a first...
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7474094 |
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...
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7463026 |
Magnetic sensor including bridge circuit having fixed resistance like structure of element
A magnetic sensor uses a magnetoresistance element which can be driven in a stable manner with a dipole irrespective of a polarity of an external magnetic field. A resistance value R of first...
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7463023 |
Non-contacting rotary and linear travel sensor
A non-contacting, magnet-based, rotary and linear travel absolute position sensor each include a stationary galvanomagnetic sensing element disposed in an air gap or slot of a movable magnet/flux...
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7463016 |
Current sensor
A current sensor includes a conductor line, and a magnetic sensor in which resistance value changes according to a current magnetic field produced by a current to be detected flowing through the...
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7459906 |
Semiconductor magnetic sensor
To detect a magnetic flux density of a magnetic field applied from an outside, a semiconductor magnetic sensor of the present invention includes: a transistor (MP 101 ) formed on a side of one,...
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7449882 |
Integrated set/reset driver and magneto-resistive sensor
A magnetic-sensing apparatus and methods of making and using thereof are disclosed. The sensing apparatus may have one or more magneto-resistive-sensing elements, one or more reorientation elements...
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7446524 |
Method for detecting magnetic particles in a fluid using thin-film magnetic field sensor
A ferromagnetic thin-film based magnetic field detection system used for detecting the presence of selected molecular species. A magnetic field sensor supported on a substrate has a binding...
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7443161 |
Method of determining angles
In order to provide a method of determining an angle a of an external magnetic field relative to a magnetoresistive angle sensor with two full bridges which respectively supply an output signal U 1...
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7440861 |
Concept of compensating for piezo influences on integrated circuitry
The inventive circuitry on a semiconductor chip includes a first functional element having a first electronic functional-element parameter that exhibits a dependence relating to the mechanical...
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7439734 |
Rotary encoder and method for its operation
A rotary encoder includes a first group of components and a second group of components. The first group of components has a pulse wire, a detector, and a circuit configuration. The second group of...
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7428347 |
Optical signal transmission transducer
The invention includes an optical signal transmission transducer. The optical signal transmission transducer includes a magnetic tunnel junction. The magnetic tunnel junction can be tuned to switch...
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7428128 |
High read output, high sensitivity magnetic sensing element
A magnetic sensing element has pinned magnetic layers disposed on the two sides of a free magnetic layer in the track width direction with nonmagnetic conductive layers therebetween, and an...
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7426098 |
Magnetoresistive element having three-layer buffer layer, magnetic head, magnetic reproducing apparatus, and magnetic memory
A magnetoresistive element includes a magnetoresistive film having a magnetization pinned layer whose magnetization is substantially pinned to one direction, a nonmagnetic intermediate layer, and a...
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7425826 |
Selectively conductive structure wherein a magnetic conductor is sized to have a cross-section diameter similar to a Fermi wavelength of electrons
The invention includes a conductor with a first side and a second side. The conductor may be sized to have a cross-section diameter substantially similar to a Fermi wavelength of electrons in the...
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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...
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7420365 |
Single chip MR sensor integrated with an RF transceiver
At least one magnetic field sensing device and an RF transceiver are integrated in a discrete, single-chip package. Rather than requiring at least two separate chips to wirelessly transmit the...
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7417424 |
Magnetic-field-measuring device
A device ( 16 ) used to measure at least one component of a magnetic field, includes a magnetoresistive sensor ( 102 ) and a measuring chain ( 28 ). The input of the measuring chain is connected to...
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7414398 |
Magnetic detection device having magnetic detection element in magnetic detection circuit and fabricating method thereof
A magnetic detection device of which an output can be completely switched over with an external magnetic field is formed in a small size. A detection circuit is formed by forming circuit elements...
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7414397 |
Angle switch device with magnetoresistive effect element
An angle switch device includes at least one MR element with a pinned layer and a free layer, and a magnet section. A relative angle between the magnet section and a lamination plane of the at...
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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:...
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7409878 |
Torqueshaft magnetic field measurement systems for gas turbine engines
A torqueshaft magnetic field measurement system includes a ceramic package enclosing a magnetoresistive sensor for converting a sensed magnetic field into a differential output voltage, an...
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7408344 |
Magnetic sensor
A magnetic sensor includes a sensing chip having a magnetoresistive element for sensing a magnetic vector and a magnet for biasing the magnetic vector sensed by the magnetoresistive element. The...
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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...
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7408342 |
Device for measuring a component of current based on magnetic fields
A magnetic-field-measuring probe includes at least two magnetoresistive sensors which are sensitive to respective magnetic fields along a determined measurement axis. The at least two...
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