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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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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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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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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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7405560 |
GMR angle sensor for vehicles
A GMR angle sensor for vehicles includes a GMR element in which the element resistance is changed in response to an external magnetic field, lead conductors connected to either end of the GMR...
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7405556 |
Magnetic Encoder System wherein a first substrate is provided with a second substrate which rotatably engages the magnetic medium
A magnetic encoder system according to one embodiment includes a magnetic sensor mounted on a first substrate above a magnetic medium, the magnetic medium carrying at least one magnetic track, the...
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7405908 |
Magnetic head with improved free magnetic layer biasing for thinner CPP sensor stack
In a CPP magnetic head a free magnetic layer and a magnetic biasing layer are disposed within a central layer stack. To pin the magnetization of the bias layer, an antiferromagnetic (AFM) layer is...
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7402829 |
Structured silicon anode
A silicon/lithium battery can be fabricated from a silicon substrate. This allows the battery to be produced as an integrated unit on a chip. The battery includes a silicon anode formed from...
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7402998 |
Magnetic detection device including circuit capable of switching over output mode of N pole and S pole between non-separated one output and separated two outputs
A magnetic detection device includes a mode switching section capable of switching over a 1-output mode in which a (+) magnetic-field detected signal and a (−) magnetic-field detected signal are...
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7400138 |
Continuously detecting the position of a moving element in a transmission ratio changer system
A device for detecting the linear and angular positions of a moving element such as a gearchange finger in a motor vehicle gearbox, the moving element carrying at least one permanent magnet that is...
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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...
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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,...
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7397236 |
Magnetic detector
The invention provides a magnetic detector that exerts no influence on detection accuracy of a magnetic movable body, being a detected body, even if relative positions of magnetic resistance...
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7397238 |
Methods and apparatus for inspecting materials
Apparatus and methods for inspecting materials such as cylindrical and tubular members are disclosed. One apparatus includes a frame that supports a magnetic coil and a detector assembly, the...
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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...
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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...
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7394086 |
Magnetic sensor and manufacturing method therefor
A magnetic sensor comprises a substrate, magnetoresistive element of a spin-valve type, a bias magnetic layer (or a permanent magnet film), and a protective film, wherein the bias magnetic layer is...
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7391204 |
Sensor signal conditioning circuit
A sensor signal conditioning circuit and sensor system incorporating the same. In one embodiment, the signal conditioning circuit includes a DC-coupled detector that converts a sensor signal into a...
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7388372 |
Electrical system with magnetoresistive sensors
An electrical system includes a first monolithic circuit. The first monolithic circuit may include a first magnetoresistive sensor operable to sense magnetic flux and produce an output signal...
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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...
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7382122 |
Magnetic sensor
A magnetic sensor includes a pair of serially-connected magneto-resistive elements ( 1 a , 1 b ), one of which serves as a sensing portion ( 6 ) made to face a magnetic detecting medium (S), and...
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7382584 |
Method to increase CCP-CPP GMR output by thermoelectric cooling
The problem of increasing the output signal from a CCP-CPP GMR device without having it overheat has been overcome by placing materials that have different thermoelectric potentials on opposing...
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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...
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7367109 |
Method of fabricating magnetic sensors with pinned layers with zero net magnetic moment
A method for achieving a nearly zero net magnetic moment of pinned layers in GMR sensors, such as Co—Fe/Ru/Co—Fe, is described. The method determines a thickness of the first pinned layer which...
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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...
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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...
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7358722 |
Integrated three-dimensional magnetic sensing device and method to fabricate an integrated three-dimensional magnetic sensing device
An integrated three-dimensional magnetic or any field sensing device and a method to fabricate an integrated three-dimensional magnetic sensing device is presented. An integrated three-dimensional...
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7355822 |
Superparamagnetic field sensing device
A ferromagnetic thin-film based magnetic field sensor having an electrically insulative intermediate layer with two major surfaces on opposite sides thereof with an initial film of an anisotropic...
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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...
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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...
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7342396 |
Device for sensing a magnetic field
The device for sensing a magnetic field comprises a closed superconducting pick-up loop ( 1 ) having a path width (d) etched out of a single layer superconducting thin film and provided with a...
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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...
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7330339 |
Structure providing enhanced self-pinning for CPP GMR and tunnel valve heads
A magnetic head having improved self-pinning. The head includes a sensor having an antiparallel (AP) pinned layer structure, where the AP pinned layer structure includes at least two pinned layers...
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7323870 |
Magnetoresistive sensor element and method of assembling magnetic field sensor elements with on-wafer functional test
A method of performing an on-wafer function testis provided for multiple magnetic field sensor elements on a wafer. Each sensor element includes a magnetic-field-sensitive structure and a current...
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7319318 |
Magnetic sensor
A magnetic sensor that prevents offset voltage from changing as time elapses. The magnetic sensor detects change in the direction of the magnetic field when the electric resistances of magnetic...
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7319322 |
Deformation sensor and method for detecting a deformation
A sensor has a substrate having a mechanically deformable region, a magnetostrictive spin-valve sensor element being arranged to detect a mechanical deformation of the mechanically deformable...
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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....
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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...
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7304474 |
Eddy current inspection device with arrays of magnetoresistive sensors
There is provided an inspection device for the detection of flaws in a component. The inspection device comprises a magnetic field generator, a first array of magnetoresistive sensors and a second...
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7301329 |
Sensor holder and method for the production thereof
A sensor holder for mounting a sensor component is disclosed. In one aspect, the sensor holder comprises an elongate holding device, at the first axial end of which the sensor component is mounted...
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7301331 |
Magnetic sensor device having components mounted on magnet
A magnetic sensor device is used for detecting, e.g., a rotational speed of a rotor made of a magnetic material by sensing changes in a magnetic field. The magnetic sensor device is composed of a...
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7295941 |
Method for correcting a characteristic curve derived from a magnetoresistive sensor signal
A method for correcting a characteristic curve having values corresponding to displacement between a magnetic sensor element and a magnetic ruler of a sensor within a displacement range includes...
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7288934 |
Electronic device incorporating magnetoresistive elements for sensing both N and S magnetic poles
An electronic device has a display housing (second body), an operation housing (first body), and a connection member connecting the display housing to the operation housing. A magnet is provided...
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7279891 |
Permalloy bridge with selectable wafer-anistropy using multiple layers
A magnetic sensing method and apparatus include a plurality of bridge circuits, wherein each bridge circuit or element within a bridge is formed on a separate permalloy layer comprising a plurality...
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7276901 |
Method for shunt detection in sensors
For monitoring a sensor using differential voltage evaluation for detecting a short circuit to ground and/or to supply voltage U B , a first resistor and a second resistor R 1 , R 2 are assigned...
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7271587 |
High resolution and low power magnetometer using magnetoresistive sensors
A magnetometer is disclosed that enables high resolution magnetometry using magnetoresistive sensors that consume less power. The magnetometer exploits the ability of the sensor to alter or...
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7268544 |
Magnetism detecting device for canceling offset voltage
A magnetism detecting device includes a magnetometric sensor, a bias magnetic field generating unit, a voltage applying unit, a detecting unit, and an operating unit. The detecting unit calculates...
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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...
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7250760 |
Magnetic sensor
The magnetic sensor is fabricated such that a magnetic sensor chip, having a one-chip structure in which MRE bridges and a comparator are included, is mounted onto a lead frame using an adhesive...
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