Abstract: A magnetic field sensor is disclosed that includes at least one magneto-resistive spin-valve sensor element configured to sense a first magnetic field component H1, and at least one AMR sensor element configured to sense a second magnetic field component H2 which is perpendicular to the first magnetic field component H1. In one example the at least one magneto-resistive spin-valve sensor element is a tunnel magneto-resistive (TMR) or giant magneto-resistive (GMR) sensor, and in one example the AMR sensor element includes an antiferromagnetic layer coupled to a ferromagnetic layer generating a bias magnetization for the AMR sensor element.

Abstract: An integrated fluxgate magnetic gradient sensor includes a common mode sensitive fluxgate magnetometer and a differential mode sensitive fluxgate magnetometer. The common mode sensitive fluxgate magnetometer includes a first core adjacent to a second core. The first and second cores are wrapped by a first excitation wire coil configured to receive an excitation current that affects a differential mode magnetic field. The differential mode sensitive fluxgate magnetometer includes a third core adjacent to the first core and a fourth core adjacent to the second core. The third and fourth cores are wrapped by a second excitation wire coil configured to receive an excitation current that affects a common mode magnetic field.

Abstract: A laboratory sample distribution system is presented. The system comprises a number of sample container carriers, a transport plane, a number of electro-magnetic actuators, a number of position sensors and a position determination unit. The position sensors and the position determination unit enable improved sample container carrier position detection on the transport plane. A laboratory automation system comprising such a laboratory sample distribution system is also presented.

Abstract: A consumer electronic device is disclosed that includes at least the following elements: a housing and magnets carried by the housing that form magnetic circuits with corresponding magnets carried by an accessory device. The magnetic circuits taken together (i) magnetically attach the housing to the accessory device, and (ii) have a net zero, or near net zero, torque.

Abstract: A magnetic field sensor is disclosed that includes at least one magneto-resistive spin-valve sensor element configured to sense a first magnetic field component H1, and at least one AMR sensor element configured to sense a second magnetic field component H2 which is perpendicular to the first magnetic field component H1. In one example the at least one magneto-resistive spin-valve sensor element is a tunnel magneto-resistive (TMR) or giant magneto-resistive (GMR) sensor, and in one example the AMR sensor element includes an antiferromagnetic layer coupled to a ferromagnetic layer generating a bias magnetization for the AMR sensor element.

Abstract: Provided are a substrate for an OED, a method of manufacturing the same, and a use thereof. The substrate includes a flexible base film and an inorganic material layer, and the inorganic material layer includes a multilayer structure of at least two thin layers. Such an inorganic material layer may have an excellent physical property, for example, a barrier property, by inhibiting crystallinity. In addition, by employing the multilayer structure, an inorganic material layer having a physical property which is difficult to be realized by a conventional inorganic material layer, for example, a high refractive index, in addition to the barrier property may be formed.

Abstract: An image reading device includes a rotating magnet unit (42) that rotates in interlock with opening and closing of a document pressing unit (2) and has a magnetic pole of an N pole and a magnetic pole of a S pole disposed at different phase positions in a rotation direction, a magnetic sensor (43) having a magnetic detection part (43a) that is installed in a reading unit or a movable body moving in a sub-scanning direction in interlock with the reading unit, and faces a peripheral surface of the rotating magnet unit (42) only when the reading unit is in a predetermined home position, and a determination unit that determines an opening and closing state of the document pressing unit (2) and determines whether the reading unit is in the predetermined home position on the basis of an output signal from the magnetic sensor (43).

Abstract: A magnetic sensor includes first magnetoresistive elements and second magnetoresistive elements. The rates of change of resistance of the first magnetoresistive elements are higher than the rates of change of resistance of the second magnetoresistive elements. The second magnetoresistive elements each include a plurality of unit patterns that are arranged along an imaginary circle or an imaginary polygon in plan view and the unit patterns each include a plurality of bent portions and a folded back shape. The plurality of unit patterns are connected to each other in a direction that encloses a region around the center of the imaginary circle or imaginary polygon.

Abstract: A magnetic field sensor for sensing a direction of a magnetic field in an x-y plane, can include a first plurality of magnetic field sensing elements operable to generate a first plurality of magnetic field signals and a second plurality of magnetic field sensing elements operable to generate a second plurality of magnetic field signals. The magnetic field sensor can also include at least one sequence switches circuit operable to select ones of the first plurality of magnetic field signals and to select ones of the second plurality of magnetic field signals. The magnetic field sensor can also include a processing circuit operable to combine the selected ones of the first plurality of magnetic field signals and the selected ones of the second plurality of magnetic field signals to generate at least one sequential signal and to process the at least one sequential signal to generate an x-y angle signal indicative of a direction of the magnetic field in the x-y direction. An associated method is described.

Abstract: The inventive concepts presented herein relate to methods of identifying molecules identification of molecules using apparatuses including: electromagnetic write-head(s); magneto-resistive read sensor(s), and processor(s). An exemplary method includes magnetically exciting a molecule to be identified using an alternating magnetic field generated by an electromagnetic write-head, measuring a resonant response of the molecule to be identified using a magneto-resistive read sensor; and comparing, using a processor, the resonant response of the molecule to be identified with a table of known resonant responses to identify a chemical composition of the molecule to be identified. The molecule to be identified may optionally be disposed on a biosample substrate which comprises, or is coupled to, a plurality of servo-alignment marks; and the plurality of servo-alignment marks are configured to facilitate alignment of the electromagnetic write-head with the biosample tracks of the biosample substrate.

Abstract: Some embodiments are directed to an anisotropic magneto-resistive (AMR) angle sensor. The sensor comprises a first Wheatstone bridge comprising a first serpentine resistor, a second serpentine resistor, a third serpentine resistor, and a fourth serpentine resistor. The sensor also comprises a second Wheatstone bridge comprising a fifth serpentine resistor, a sixth serpentine resistor, a seventh serpentine resistor, and an eighth serpentine resistor. The serpentine resistors comprise anisotropic magneto-resistive material that changes resistance in response to a change in an applied magnetic field. The sensor also includes a surrounding of anisotropic magneto-resistive material disposed in substantially a same plane as the serpentine resistors, enclosing the serpentine resistors, and electrically isolated from the serpentine resistors. The first Wheatstone bridge, the second Wheatstone bridge, and the surrounding of anisotropic magneto-resistive material are part of a sensor die.

Abstract: A bias magnetic field sensor is disclosed. In an embodiment, a bias magnetic field sensor includes a magnetic field sensor package having a magnetic body attached to only a single side of the sensor package, wherein the magnetic body is configured to provide a magnetic field, and wherein the sensor package is configured to measure a modulation of the magnetic field by a generator object.

Abstract: A sensor arrangement is configured to detect rotational angles on a rotating component in a vehicle. The rotating component is coupled to at least one measurement transmitter which generates at least one piece of angle information in connection with at least one measurement sensor in order to determine the rotational angle of the rotating component. A first measurement transmitter and a first measurement sensor form a first angle sensor which generates first angle information that is dependent on the rotational movement of the rotating component, and a second measurement transmitter and a second measurement sensor form a second angle sensor which generates second angle information that is dependent on the rotational movement of the rotating component. A current rotational angle of the rotating component is ascertained from the first angle information and the second angle information. The first angle sensor and the second angle sensor are designed as inductive sensors.

Abstract: A magnetic head for detecting a magnetic field on the surface of a magnetic pattern based on a magneto-resistance technology comprises a support (1) and a PCB (Printed Circuit Board) (5) arranged on the support (1), and further comprises horizontal excitation structures (20, 21) used for generating a magnetic field parallel to the surface of the magnetic head; and a magnetic field detection component (4) based on magneto-resistance (MR) elements (R1-R4), the magnetic field detection component is used for detecting the distribution of vertical components of a leakage magnetic field on the surface of a magnetic pattern. The magnetic head can effectively detect magnetic patterns made of soft magnetic materials or hard magnetic materials. The soft magnetic material is magnetized in an in-plane manner by means of the horizontal excitation structures (20, 21), so as to generate a specific leakage magnetic field on the surface of a magnetic pattern.

Abstract: In a method and apparatus for recording a magnetic resonance dataset of at least one foreign body in a target region of a patient, a magnetic resonance sequence having an ultra-short echo time, which is less than 500 ?s is used for recording the magnetic resonance data.

Abstract: The present invention relates to an arrangement for measuring a force and/or moment on a hollow-cylindrical machine element, using the inverse magnetostrictive effect. The machine element extends in an axis and has a sensor region of hollow cylinder-type basic shape. This sensor region has a permanent magnetization or the arrangement comprises magnetizing elements for magnetizing the sensor region. The arrangement further comprises at least one magnetic field sensor which is designed to measure at least one component of a magnetic field brought about by the magnetization of the sensor region and by the magnetic field caused by the force to be measured and/or by the moment to be measured. According to the invention, the machine element, in the hollow space defined by the hollow cylinder-type basic shape, has a wall-type longitudinal structure.

Abstract: A correction apparatus for an angle sensor includes a correction information generator for generating correction information, and a correction processing unit for performing correction processing in the course of generation of a detected angle value by an angle detector. Details of the correction processing are determined on the basis of the correction information. The correction information generator includes an error estimate generation unit and a correction information determination unit. The error estimate generation unit generates, on the basis of a first signal and a second signal, an error estimate containing a variable component that varies depending on an ideal angle estimate. The correction information determination unit determines the correction information on the basis of the error estimate.

Abstract: An object of the invention is to reduce 1/f noise and white noise at the same time by integrally reducing noise of an MR sensor and noise of an operation circuit part. A magnetoresistive sensor according to the invention includes a plurality of magnetoresistive sensor parts each having a bridge circuit in which four magnetoresistive elements are connected, and outputs of the respective magnetoresistive sensor parts are connected in parallel to one another to an input of an amplifier circuit (see FIG. 2).

Abstract: An angle sensor for detecting a rotational angle on the basis of a relative angular position of a physical field. The sensor includes a first sensor element and a second sensor element, between which elements the physical field can be transmitted. The first sensor element includes a blind hole in which the second sensor element is rotatably mounted.

Abstract: A magnetic field sensor includes a lead frame, a semiconductor die supporting a magnetic field sensing element, a non-conductive mold material enclosing the die and a portion of the lead frame, a ferromagnetic mold material secured to the non-conductive mold material and a securing mechanism to securely engage the mold materials. The ferromagnetic mold material may comprise a soft ferromagnetic material to form a concentrator or a hard ferromagnetic material to form a bias magnet. The ferromagnetic mold material may be tapered and includes a non-contiguous central region, as may be an aperture or may contain the non-conductive mold material or an overmold material. Further embodiments include die up, lead on chip, and flip-chip arrangements, wafer level techniques to form the concentrator or bias magnet, integrated components, such as capacitors, on the lead frame, and a bias magnet with one or more channels to facilitate overmolding.

Abstract: A magnetic field generator (50) having at least one magnet (51) extending along a longitudinal axis (101), wherein the magnetic material of the at least one magnet is arranged such that the at least one magnet produces a magnetic field with a magnetic flux density that changes substantially continuously in magnitude in the axial direction substantially along the length of the at least one magnet in the axial direction such as to enable the axial position of the magnetic field generator to be determined by a position sensing assembly comprising the magnetic field generator (50) and at least one magnetic sensor (105).

Abstract: A rotation detector includes the following: a rotor and stators comprising a rotor substrate and stator substrates, each of which is a multilayer substrate; a rotor coil provided on the rotor substrate; and detection coils provided on the stator substrates. The frequency of an excitation signal used by said rotation detector is set so as to be higher than a prescribed frequency that would be required if the rotor and the stators were each made of a magnetic material.

Abstract: An electronic apparatus includes a first detection electrode group, a second detection electrode group, a third detection electrode group, a rotating member for moving among positions in which the rotating member faces the first to third detection electrode groups, a detection unit for detecting electrostatic capacitances of the first to third detection electrode groups, a determination unit for determining a rotation direction, a rotation amount, or a rotation angle of the rotating member in accordance with the electrostatic capacitances of the first to third detection electrode groups and threshold values for the first to third detection electrode groups, and an updating unit for updating a reference value of one of the first to third detection electrode groups corresponding to a selected smallest electrostatic capacitance using the selected smallest electrostatic capacitance.

Abstract: A sensor including a measuring assembly integrating at least one magnetoresistive element having a stack of two conductive magnetic layers, respectively reference and sensitive, the reference layer having magnetic anisotropy in the direction X and the sensitive layer having a direction Y, a polarization permanent magnet having a surface extending in a plane of directions X and Y and having a symmetry plane of directions X and Z, the measuring assembly being disposed with respect to the symmetry plane of the polarization magnet so that the layers of the magnetoresistive element are disposed in a plane parallel to the surface while being offset from said plane in the direction Y by a distance (?y) that is arranged so that the magnetic field of the polarization magnet orients the magnetisation of the sensitive layer in the direction Y.

Abstract: A magnetic field sensing apparatus including a magnetic flux concentrator and a plurality of magnetoresistance units is provided. The magnetic flux concentrator has a top surface, a bottom surface opposite to the top surface, and a plurality of side surfaces connecting the top surface and the bottom surface. The magnetoresistance units are respectively disposed beside the side surfaces. The magnetoresistance units are electrically connected to form at least one kind of Wheatstone full bridge in three different periods, so as to measure magnetic field components in three different directions, respectively, and to cause the at least one kind of Wheatstone full bridge to output three signals corresponding to the magnetic field components in the three different directions, respectively.

Abstract: A method for measuring an angular position of a rotating shaft, the method including providing a magnetic field which rotates with the shaft about an axis of rotation, positioning an integrated circuit having first and second magnetic sensing bridges within the magnetic field at a radially off-center position from the axis of rotation, the first and second magnetic sensing bridges respectively providing first and second signals representative of first and second magnetic field directions, the integrated circuit having a set of adjustment parameters for modifying attributes of the first and second signals, modifying values of the set of adjustment parameters until errors in the first and second signals are substantially minimized, and determining an angular position of the shaft based on the first and second signals.

Abstract: A magnetic field sensor includes a plurality of magnetoresistance elements, each having at least one characteristic selected to provide a respective, different response to an applied magnetic field, wherein each of the plurality of magnetoresistance elements is coupled in parallel. Illustrative characteristics selected to provide the respective responses include dimensions and/or construction parameters such as materials, layer thickness and order, and spatial relationship of the magnetoresistance element to the applied magnetic field. A method includes providing each of a plurality of magnetoresistance elements with at least one characteristic selected to provide a respective, different response to an applied magnetic field, wherein each of the plurality of magnetoresistance elements is coupled in parallel.

Abstract: A magnetic angle sensor including a first Wheatstone bridge circuit having a plurality of first magnetoresistive elements; and a second Wheatstone bridge circuit having a plurality of second magnetoresistive elements, wherein the plurality of second magnetoresistive elements have diversity with respect to the plurality of first magnetoresistive elements.

Abstract: Systems and methods for navigation are presented. First and second response signals received from at least one magnetic sensor operatively coupled to a target device in response to a magnetic field are measured at reference and reversed sensitivity while an alignment of magnetic domains corresponding to the magnetic sensor remains unchanged. A useful portion of the first response signal is determined by eliminating common-mode noise from the first response signal based on a difference between the first and second response signals. Alternatively, a bias signal having a desired bias frequency is applied to shift a signal frequency of a response signal of a magnetoresistance sensor that includes common-mode noise. A useful portion of the response signal is determined by measuring the response signal at a shifted frequency that is a sum of the signal and bias frequencies. A position of the subject is then determined based on the useful portion.

Abstract: An exemplary subcutaneous medical device implanted within a patient uses a coil-less magnetic field sensor included within the subcutaneous medical device to detect a toggling sequence between a presence and an absence of an externally-generated static magnetic field. The toggling sequence is representative of a digital data stream according to a digital wireless communication protocol. The subcutaneous medical device identifies, based on the detected toggling sequence and in accordance with the digital wireless communication protocol, a multi-bit command encoded within the digital data stream represented by the toggling sequence. The subcutaneous medical device further performs, in response to the identifying of the multi-bit command, an action associated with the multi-bit command. Corresponding methods and a corresponding external controller are also disclosed.

Abstract: A unitary displacement sensor includes a circuit, a first device for measuring acceleration, a second device for measuring a magnetic field, a wireless communications module, and a power source coupled to the circuit, the first device, the second device, and wireless communications module such that the circuit is configured to cause the power source to activate the wireless communications module and the second device when a level of acceleration measured by the first device meets or exceeds a predefined threshold level of acceleration and the wireless communications module is configured to transmit a measurement by the second device of the magnetic field.

Abstract: A position detecting sensor is mounted in a sensor attachment groove formed in a cylinder device and having a wide portion and a narrow portion. Mounting members each include a mounting member main body positioned in the wide portion having a width dimension larger than a groove width of the narrow portion, and an extension extending from the mounting member main body and positioned in the narrow portion. The housing and the mounting members are connected by connecting bolts, whereby a portion of the cylinder device is retained between the housing and the mounting members.

Abstract: A magnetism detecting element detects a leakage magnetism from a scale, on which a magnetic signal with a constant period is recorded, and a relative position between the scale and the magnetism detecting element is detected. The magnetism detecting elements are arranged, along a detection direction of the magnetic signal relative to the scale, in a pattern with a pitch of ½n (n is a prime number of 3 or more) of a wavelength ?? of a signal output by the element. Furthermore, as the pattern for cancelling m odd-order harmonics, the m-th power of 2 magnetism detecting elements are arranged within a range in which a pitch distance L of the magnetism detecting element farthest in the detection direction is expressed by L=(??/2)×(?+?+ 1/7+ . . . 1/(2m+1)).

Abstract: A magnetism detecting element detects a leakage magnetism from a scale, on which a magnetic signal with a constant period is recorded, and a relative position between the scale and the magnetism detecting element is detected. The magnetism detecting elements are arranged, along a detection direction of the magnetic signal relative to the scale, in a pattern with a pitch of ½n (n is a prime number of 3 or more) of a wavelength ?? of a signal output by the element. Furthermore, as the pattern for cancelling m odd-order harmonics, the m-th power of 2 magnetism detecting elements are arranged within a range in which a pitch distance L of the magnetism detecting element farthest in the detection direction is expressed by L=(??/2)×(?+?+ 1/7+ . . . 1/(2m+1)).

Abstract: A single chip referenced bridge type magnetic field sensor for high-intensity magnetic field, the sensor comprises a substrate, a reference arm, a sense arm, shielding structures and attenuators. Wherein the reference arms and the sense arms comprise at least two rows/columns of reference element strings and sense element strings which comprise one or more identical electrically interconnected magnetoresistive sense elements; the reference element strings and the sense element strings are mutually interleaved, each reference element string is designed with a shielding structure on top of it, and each sense element string is designed with an attenuator on top of it. The magnetoresistive sensor elements can be AMR, GMR or TMR sensor elements. The shielding structures and attenuators are arrays of long rectangular bars composed of a soft ferromagnetic material, such as permalloy.

Abstract: A correction apparatus for an angle sensor includes a correction unit for performing first correction processing on a first detection signal and performing second correction processing on a second detection signal. The first correction processing is processing for combining the first detection signal and a first correction value to generate a first corrected detection signal. The second correction processing is processing for combining the second detection signal and a second correction value to generate a second corrected detection signal. The first correction value has a first amplitude and varies with a first period. The second correction value has a second amplitude and varies with a second period. The first and second amplitudes are of the same value. The first and second periods are of the same value equal to ? or ? of the period of an ideal component of each of the first and second detection signals.

Abstract: A strain sensor element comprises a laminated film which has a magnetic free layer, a spacer layer, and a magnetic reference layer. The free layer has a variable magnetization direction and a out-of-plane magnetization direction. The reference layer has a variable magnetization direction which is pinned more strongly than the magnetization of the free layer. The spacer layer provided between the free layer and the reference layer. A pair of electrodes is provided with a plane of the laminated film. A substrate is provided with either of the pair electrodes and can be strained. The rotation angle of the magnetization of the free layer is different from the rotation angle of the magnetization of the reference layer when the substrate is distorted. Electrical resistance is changed depending on the magnetization angle between the free layer and the reference layer, which allows the element to operate as a strain sensor.

Abstract: A position detecting sensor is mounted in a sensor attachment groove of a cylinder device. The sensor attachment groove includes a wide portion on the side of a groove bottom surface, and a narrow portion on the side of a side surface of the cylinder device. The position detecting sensor includes a mounting member having a width dimension larger than a groove width of the narrow portion. The mounting member includes a first engagement part and a second engagement part, which are flexible and are arranged in confronting relation, opening with a gap mutually therebetween in a widthwise direction of the sensor attachment groove.

Abstract: A magnetic detection in which a first element (3) and a second element (4) that are a magnetoresistance element whose resistance value changes in response to an external magnetic field are connected in series with each other so as to form a bridge circuit, one end of the bridge circuit is connected to a power supply (5), the other end thereof is grounded, a connecting point (6) between the first element (3) and the second element (4) is connected to an amplifier means (9), at least one switching means (1) is connected in series with the bridge circuit, and an output terminal (11) of the amplifier means (9) is connected to a failure detection means (12).

Abstract: A measurement method is configured to measure an external magnetic field. The measurement method includes: modifying a magnetic field distribution of the external magnetic field, so as to convert at least a portion of each of components of the external magnetic field in a first direction, a second direction, and a third direction at a plurality of different positions to the second direction, and sensing a magnitude of a magnetic field in the second direction at the different positions, so as to measure component magnitudes of the external magnetic field in the first, second and third directions.

Abstract: A magnetic sensor includes: a first current line, a second current line and a third current line that are disposed in parallel to each other in sequence in a width direction and electrically connected in series; and a magnetoresistive effect element disposed under the second current line and extending along a direction of extension of the second current line, the magnetoresistive effect element having an electric resistance that changes by an induced magnetic field generated by current flowing through the first current line, the second current line and the third current line, the following inequality expression (1) being satisfied: Ls/Wg?5??(1) where Ls is a length from an outside of the first current line to an outside of the third current line in a width direction, and Wg is a length in the width direction of the magnetoresistive effect element.

Abstract: A magnetoresistive sensor may include a stripe portion comprising magnetoresistive material. The stripe portion may have a stripe width extending along a first axis from a first stripe edge of the stripe portion to a second stripe edge of the stripe portion, a length along a second axis that is substantially perpendicular to the first axis, a first end, and a second end. The first end and the second end may be positioned at opposite ends of the stripe portion along the second axis. The magnetoresistive sensor may include an extension portion comprising magnetoresistive material. The extension portion may be positioned at the first end of the stripe portion, and may have an extension width along the first axis. The extension width may be larger than the stripe width, such that the extension portion extends beyond the first stripe edge and the second stripe edge.

Abstract: The invention relates to an arrangement (20) for determining the angular position of a shaft (11) of an electric motor (10), in particular of a shaft (11) of a windscreen wiper motor (100), with a magnet element arrangement, connected with the shaft (11), and several magnetic field sensors (26, 27, 28), wherein the angular position of the shaft (11) is inferred from the different signals of the magnetic field sensors (26, 27, 28). Provision is made, according to the invention, for the magnet element arrangement to comprise at least one magnet element, preferably several separate magnet elements (21, 22, 23), which are arranged one behind the other in the longitudinal direction of the shaft (11), and for the magnetic field sensors (26, 27, 28) to be arranged on a printed circuit board (30) which is arranged at a slight distance from the shaft (11), such that the magnetic fields of the magnet elements (21, 22, 23) are able to be determined by the magnetic field sensors (26, 27, 28).

Abstract: An integrated circuit includes at least one first magnetic field sensing element including at least one first magnetoresistance element configured to provide an output signal of the integrated circuit in response to a detected magnetic field. The integrated circuit also includes at least one second magnetic field sensing element including at least one second magnetoresistance element configured to have a characteristic indicative of a stress condition. A method for detecting a stress condition in an integrated circuit is also provided.

Abstract: To provide a magnetic encoder in which a base material has a ring-shaped body portion into which a rotation axis is inserted when a magnetic drum is mounted on a rotation axis, and an engagement convex portion provided so as to project over a whole circumference of an outer periphery of the body portion. The body portion has a centering track provided in a part of the outer periphery of the body portion over the whole circumference as a reference of circular runout tolerance on an outer periphery of a magnet. The engagement convex portion has a constricted portion projecting from the outer periphery of the body portion, and a cylindrical portion extending in an axial direction of the body portion from a tip end of the constricted portion. The magnet surrounds the engagement convex portion so as to wrap around to a gap between the cylindrical portion and the body portion, and exposes the centering track without covering the centering track.

Abstract: A magnetic sensor device that includes an annular magnetic body, a coil wound around the magnetic body, the coil configured to apply a magnetic field that rotates 360 degrees by a half way point in a peripheral direction of the magnetic body, and a magnetoresistance effect element arranged at a center of the annular magnetic body and including a fixed layer having a magnetization direction fixed in a direction of the magnetic field to be measured. The magnetic body includes a tapered portion located at a position where a line passing through the center of the magnetic body and extending in a shorter-axis direction intersects the magnetic body, the tapered portion having a narrowed portion narrowed down toward the magnetoresistance effect element, and having dumbbell-shaped inner and outer peripheries, and the narrowed portion having a width reduced toward the magnetoresistance effect element.

Abstract: A magnetic substance detection device includes elongated magnets and ferromagnetic thin film magnetoresistance elements. The magnets extend in parallel with a Y-axis direction and are magnetized opposite to each other in a Z-axis direction. The ferromagnetic thin film magnetoresistance elements have respective linear segments extending substantially along the Y-axis direction on a plane of a substrate disposed in a path of lines of magnetic force between the magnets and change their resistances in response to a change in a magnetic field directed in a direction orthogonal to the Y-axis direction in the plane of the substrate. The magnets apply bias magnetic fields lower in intensity than a saturated magnetic field of the ferromagnetic thin film magnetoresistance elements to the ferromagnetic thin film magnetoresistance elements, respectively, in the direction orthogonal to the Y-axis direction in the plane of the substrate.

Abstract: The invention relates to an arrangement (20) for determining the angular position of a shaft (11) of an electric motor (10), in particular of a shaft (11) of a windscreen wiper motor (100), with a magnet element arrangement, connected with the shaft (11), and several magnetic field sensors (26, 27, 28), wherein the angular position of the shaft (11) is inferred from the different signals of the magnetic field sensors (26, 27, 28). Provision is made, according to the invention, for the magnet element arrangement to comprise at least one magnet element, preferably several separate magnet elements (21, 22, 23), which are arranged one behind the other in the longitudinal direction of the shaft (11), and for the magnetic field sensors (26, 27, 28) to be arranged on a printed circuit board (30) which is arranged at a slight distance from the shaft (11), such that the magnetic fields of the magnet elements (21, 22, 23) are able to be determined by the magnetic field sensors (26, 27, 28).

Abstract: Resistance elements, including Magnetic Tunnel Junction devices are configured as magnetoelectronic (ME) devices. These resistive devices are useable as circuit building blocks in reconfigurable processing systems, including as logic circuits, non-volatile switches and memory cells.

Abstract: A position detector includes a magnet disposed between first ends of first and second magnetic flux transmission parts and a magnet disposed between second ends of the first and second magnetic flux transmission parts. The position detector also includes a Hall IC that is positioned within a gap and moves relative to a rotating body. The Hall IC detects a density of the magnetic flux from the first and second magnetic flux transmission parts and outputs a signal according to the density of the magnetic flux passing therethrough in order to detect a position of a detection object. A minimum magnetic flux density position within the gap may be shifted to a position having the highest detection accuracy such that the position detection accuracy of the detection object is improved.