Matches 351 - 400 out of 795 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
6090498 Magnetoresistance effect element and magnetoresistance device  
In a magnetoresistance effect element, a pinning layer (antiferromagnetic layer) has a composition of Ru--Mn or Ru--M--Mn where M represents at least one selected from Rh, Pt, Pd, Au, Ag, and Re,...
6087026 Magnetoresistive head and magnetic read/write device  
A MR head employs a biasing soft magnetic film of a FeXN-based alloy which undergoes no change in the direction of its axis of easy magnetization even when subject to heat treatment. The MR head...
6087027 Magnetic layered material, and magnetic sensor and magnetic storage/read system based thereon  
A magnetic head of storage/read separation type in which both a reproducing head of magnetoresistive type and a write head of magnetic induction type are formed through a magnetic shield. The...
6084405 Transducer utilizing giant magnetoresistance effect and having a ferromagnetic layer pinned in a direction perpendicular to a direction of a signal magnetic field  
A magnetoresistive transducer showing a giant magnetoresistance effect has a multi-layer structure including first and second ferromagnetic layers separated by a non-magnetic layer. The second...
6084401 Rotational position sensor employing magneto resistors  
A rotational position sensor assembly (10) includes a wheel (20) having a ferromagnetic hub portion (22) and a resistor support member (24) on which an array of magneto resistor elements (28) are...
6077618 Magneto-resistance effect element, magneto-resistance effect type head, memory element, and method for manufacturing them  
A magnetoresistance effect element, a head of the magnetoresistance effect type and a memory element in each of which a larger MR change can be acquired in a smaller magnetic field, and a method of...
6074743 Magnetoresistance effect element and magnetoresistance device  
A magnetoresistance effect element according to the present invention comprises magnetic multilayer film having a non-magnetic metal layer, a ferromagnetic layer formed on one surface of the...
6075361 Device for detecting a magnetic field  
The device comprises a Wheatstone bridge with at least four magnetoresistive elements (1a, 1b, 1c, 1d) on a substrate (15), each magnetoresistive element comprising at least one sensitive portion...
6074767 Spin valve magnetoresistive head with two sets of ferromagnetic/antiferromagnetic films having high blocking temperatures and fabrication method  
Disclosed are spin valve magnetoresistive heads, air bearing sliders and magnetic storage systems employing spin valve magnetoresistive heads, and methods for fabricating spin valve...
6071608 Tape-type magnetic recording medium and method of reproducing signal by using the tape magnetic recording medium  
A tape-type magnetic recording medium including a non-magnetic support member; and a magnetic layer formed on the non-magnetic support member, wherein relationship Brδ≤Bst/2 is satisfied when an...
6072311 Magnetic sensor with simplified integral construction  
A magnetic sensor which can be produced in a small size at low cost with high productivity. The magnetic sensor includes: a main electric circuit; a magnet disposed on said main electric circuit;...
6069476 Magnetic field sensor having a magnetoresistance bridge with a pair of magnetoresistive elements featuring a plateau effect in their resistance-magnetic field response  
A magnetic field sensor having a magnetoresistance bridge. The sensor includes two longitudinally connected multilayer magnetoresistances and two transversely connected multilayer...
6066947 Magnetic detection device having a plurality of first and second magnetoresistive elements  
A compact magnetic detection device with a high sensitivity. The device includes a single bias magnet producing a magnetic field to a gear having a magnetic substance, and a magnetoresistive effect...
6063491 Magnetoresistance effects film  
The invention provides a magnetoresistance effects film including (a) at least two thin magnetic films deposited on a substrate, (b) at least one thin nonmagnetic film interposed between the thin...
6057167 Magnetoresistance-based method and apparatus for molecular detection  
A binding of a molecule with a molecular receptor at a binding site is sensed using a magnetoresistive member proximate to the binding site. A magnetic field associated with the molecule acts to...
6052263 Low moment/high coercivity pinned layer for magnetic tunnel junction sensors  
A magnetic tunnel junction (MTJ) device is usable as a magnetic field sensor in magnetic disk drives or as a memory cell in a magnetic random access (MRAM) array. The MTJ device has a ferromagnetic...
6051309 Magnetoresistance effect film and method for making the same  
Disclosed are magnetoresistance effect films which have a magnetic thin film and an anti-ferromagnetically coupled magnetic multilayer thin film inserted into the interface between the non-magnetic...
6048632 Self-biasing, non-magnetic, giant magnetoresistance sensor  
A self-biasing, non-magnetic giant magnetoresistive sensor having a Corbino-disk geometry constructed from a thin film of e.g., doped, Mercury Cadmium Telluride (MCT) Hg 1 -x Cd x Te exhibiting...
6031273 All-metal, giant magnetoresistive, solid-state component  
A solid-state component is described which includes a network of thin-film elements. At least one thin-film element exhibits giant magnetoresistance. The network has a plurality of nodes, each of...
6031372 Magnetizing arrangement for a magneto-resistive thin-film sensor element with a bias layer part  
Using a device (7) the magnetization distribution of the bias layer part (3) of a sensor element (E) is set. The sensor element has a thin-film structure (S) on a substrate (2) and has an increased...
6022633 Magnetoresistive effect element and magnetoresistive effect sensor  
A magnetoresistive effect element having a lamination structure of a free magnetic layer, a non-magnetic layer in contact with the free magnetic layer, a pinned magnetic layer in contact with the...
6020738 Device for magnetizing magnetoresistive thin film-sensor elements in a bridge connection  
The magnetizations of the bias-layer parts of several sensor elements interconnected to form a bridge are to be set using the present device. These sensor elements are arranged on a common...
6013365 Multi-layer structure and sensor and manufacturing process  
This invention relates to a multilayered magnetic structure comprising an alternate stack of: layers (6, 16) of a first type based on magnetic materials, layers (12) of a second type, made of...
6014023 High resolution magnetoresistance sensing device with accurate placement of inducing and detecting elements  
A sensing device outputs a signal which exactly corresponds to a predetermined position (angle) such as a protruding or recessed portion of a moving magnetic material member as soon as electric...
6010781 Magnetoresistance effect element, magnetoresistance effect type head and magnetic recording/reproducing apparatus  
A magnetoresistance effect element exhibiting superb magnetic characteristics and anticorrosion characteristic is disclosed. The magnetoresistance effect element includes an antiferromagnetic layer...
6011390 Sensor chip with magnetoresistive wheatstone bridges for determining magnetic field directions  
6004654 Magnetic multilayer film, magnetoresistance element, and method for preparing magnetoresistance element  
In a magnetoresistance multilayer film comprising at least two magnetic layers on a substrate, with a nonmagnetic layer intervening between the magnetic layers, each interface between the magnetic...
6001468 Magnetic head  
A magnetic head comprises a lower magnetic pole, an insulating film formed on the lower magnetic pole, a coil arranged over the lower magnetic pole so as to penetrate the insulating film, and an...
6002252 Compact sensing apparatus having transducer and signal conditioner with a plurality of mounting pins  
A compact sensing apparatus having reduced cross section and methods are provided for sensing the magnitude and direction of an electrical or magnetic field. The compact sensing apparatus and...
5989691 Magnetic element  
A magnetic element comprising a thin film having a uniaxial magnetic anisotropy partly disposed on a polymer substrate. The magnetic element exhibits a discontinuous magnetic reversal under an...
5989690 Magnetoresistance effect film, a method of manufacturing the same, and magnetoresistance effect device  
Magnetic thin films 2 and 3 are stacked on a substrate 4 with a nonmagnetic thin film 1 interposed therebetween. An antiferromagnetic thin film 5 is arranged adjacent to one magnetic thin film 3....
5986444 Device having a shaped, magnetic toroidal member and a magnetoresistive sensor for detecting low magnitude electrical currents  
A device for detecting low magnitude electrical currents includes a generally toroidally-shaped member made of magnetic material that provides an air gap, and a magneto-resistive device in the form...
5982176 Geomagnetic direction sensor  
A geomagnetic direction sensor has a plurality of magnetic cores for converging terrestrial magnetism arranged circumferentially with pre-set gaps, and magneto-resistive effect devices in the gaps...
5982171 Sensing device for detecting the angular displacement and relative position of a member of magnetic material  
A sensing device capable of outputting a correct signal precisely corresponding to a particular position (angle) of, for example a protruding or recessed portion of a rotating member made of a...
5982178 Method and apparatus for sensing a desired component of an incident magnetic field using magneto resistive elements biased in different directions  
A method and apparatus for sensing a desired component of a magnetic field using an isotropic magnetoresistive material. This is preferably accomplished by providing a bias field that is parallel...
5982177 Magnetoresistive sensor magnetically biased in a region spaced from a sensing region  
A magnetic sensor for detecting the presence of a magnetic sample proximate a sensing region. A magnetoresistive element is positioned in a biasing region of the sensor which is spaced apart from...
5976681 Giant magnetoresistors with high sensitivity and reduced hysteresis  
A magnetoresistive multilayer structure having ferromagnetic layers of Co codeposited with Cu. The codeposited layer has a total thickness between 1 and 20 Å. The volume of Cu in the codeposited...
5976713 Exchange-coupling film and, magneto-resistance effect element and magnetic head using thereof  
An exchange-coupling film has an antiferromagnetic film consisting of an antiferromagnetic alloy such as an RMn alloy or an RMnFe alloy (R is at least one kind of element selected from Ir, Rh, Pt,...
5973334 Magnetic device and magnetic sensor using the same  
A magnetic sensor has a three-terminal magnetic device consisting of an emitter, a base, and a collector. A semiconductor layer serving as the collector and a magnetic multilayered film serving as...
5969523 Preamplifier bias mode to re-initialize a GMR head after losing initialization  
A method and apparatus for re-initializing a GMR head after losing initialization is disclosed. The invention may use a voltage controlled waveform, which allows the current to vary with the...
5965840 Magnetoresistive sensor for magnetic storage system  
A magnetoresistive sensor in the magnetic storage device includes a magnetoresistive element for sensing magnetic fields carried on storage medium. A cooling device is thermally coupled to the...
5965284 Magnetoresistive scandium-substituted thallium manganese pyrochlore compounds  
Scandium-substituted thallium manganese pyrochlore compounds having increased magnetoresistance compared to unsubstituted compounds are disclosed. Such compounds are suitable for use in magnetic...
5966008 Radio-interrogated, surface-wave technology current transformer for high-voltage systems  
A radio-interrogated, surface-wave technology current transformer for high/medium-voltage systems includes a magnetosensitive element connected to a surface-wave structure of a surface-wave...
5966275 GMR magnetic sensor having an improved sensitivity of magnetic detection  
A GMR magnetic sensor includes a lower electrode, a first non-magnetic metal layer formed on the lower electrode and including ferromagnetic regions, a second non-magnetic metal layer on the first...
5965283 GMR enhancement in inhomogeneous semiconductors for use in magnetoresistance sensors  
The low-field magnetoresistance of a high carrier mobility semiconductor with inhomogeneities which are more conducting than the surrounding semiconductor material matrix is significantly enhanced...
5958612 Magnetoresistive read transducer  
For providing a magnetoresistive read transducer capable of increasing the output by the increase of current, reduced with noises and having a durability, a magnetoresistive read transducer...
5958576 Magnetoresistance effect device and magnetic head  
A magnetoresistance effect device and a magnetic head according to the present invention exhibit preferable magnetic characteristics and an excellent corrosion resistance. The magnetoresistance...
5955211 Magnetoresistive film  
Disclosed is a magnetoresistive film which includes an antiferromagnetic layer, a first amorphous ferromagnetic layer, a crystalline ferromagnetic interlayer disposed between the antiferromagnetic...
5952825 Magnetic field sensing device having integral coils for producing magnetic fields  
An integrated magnetic field sensing device has magnetic field sensing elements arranged in an electrical bridge. A first spiral coil provides a setting and resetting function. Second and third...
5948553 Magnetic multilayer structure having magnetoresistance ratio and large magnetic sensitivity based on the giant magnetoresistance effect and process of fabrication thereof  
A spin valve type multilayered magnetic structure has Fe-base soft magnetic crystalline layer having a mean grain size equal to or less than 30 nanometers and sandwiching a non-magnetic spacer...
Matches 351 - 400 out of 795 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >