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5107385 |
Read head assembly for multiple-width tracks
A read head assembly senses information recorded on magnetic media from tracks having different widths. The read head comprises a magnetoresistive strip which is positioned normal to the direction...
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5079663 |
Magnetoresistive sensor with track following capability
A magnetoresistive (MR) sensor is center tapped to provide the difference signals for servo operation on data and sum signals for the data information. The center-tap of the MR sensor is made of a...
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5065094 |
Two terminal magnetoresistive sensor having DC blocking capacitor
A magnetoresistive sensor requires only two electrical connections to operate. The magnetoresistive sensor uses a hammerhead design and a barber pole array. Blocking capacitors are used to define...
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4988850 |
Magnetoresistance element array
Disclosed is a small-sized magnetoresistance element array having a plurality of arranged magnetoresistance elements and provided with excellent operating efficiency which facilitates connection of...
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4967298 |
Magnetic head with magnetoresistive sensor, inductive write head, and shield
An elongated magnetoresistive sensor strip longitudinally biased to maintain a single domain sense region by exchange-biasing material atomically coupled to the strip at the ends of the strip...
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4922360 |
Magnetic head
A magnetic head includes a magnetoresistance element having the form of a loop and provided with a gap at a first portion opposite to a second portion confronting a magnetic recording medium, a...
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4914538 |
Magnetoresistive read transducer
A magnetoresistive sensor having spaced electrically conductive lead structures comprising a thin film of tungsten having a thin film overlayer, or, alternatively a thin film underlayer and a thin...
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4891725 |
Magnetoresistive sensor having antiferromagnetic exchange-biased ends
An elongated magnetoresistive sensor strip longitudinally biased to maintain a single domain sense region by exchange-biasing material atomically coupled to the strip at the ends of the strip...
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4851944 |
Ganged MR head sensor
A single magnetoresistive element ganged MR head sensor. The sensor is comprised of a single magnetoresistive element divided into a plurality of sense regions by more than two electrical contacts,...
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4843506 |
Shields of magnetoresistive transducers
An improved shield for field sensing transducers used in magnetic storage devices is presented. The inventive shield provides a planar surface for the transducer to rest on, a single magnetic...
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4821012 |
Magnetoresistive element
A shunt biased magnetoresistive element includes a sensor part sensitive to an external magnetic field and a pair of leads (electrodes) in contact with the sensor part. The width (W) of the contact...
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4807073 |
Magnetoresistance type magnetic head and method for fabricating same
A magnetoresistance type magnetic head, in which a magnetoresistance film is disposed through an insulating film between two soft magnetic bodies, and a signal leadout conductor for the...
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4803580 |
Double-gap magnetoresistive head having an elongated central write/shield pole completely shielding the magnetoresistive sensor strip in the read gap
A magnetoresistive head having separate write and read gaps including a leading write pole, a trailing write/shield pole, and a following shield pole, wherein an elongated magnetoresistive sensor...
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4782414 |
Magnetoresistive read transducer with insulator defined trackwidth
A magnetoresistive (MR) read head in which an insulator layer defines the effective track width over which the read head is sensitive. The insulator layer is deposited or patterned to extend a...
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4623867 |
Permanent magnet biased narrow track magnetoresistive transducer
A narrow track magnetoresistive transducer has a square shaped bias permanent magnet superposed with an MR element. The square shaped magnet provides bias field components of substantially the same...
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4622613 |
Thin film magnetic head
In a magnetoresistive (MR) effect head, electrodes for supplying a current to an MR element and a bias current conductor are not exposed at a contact surface of the MR head which is brought into...
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4580175 |
Endless, folded magnetoresistive head
A magnetic read head has a first embodiment comprising an elongated magnetoresistive element having a central region and distant ends. The central region has equipotential strips disposed...
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4568906 |
Sensor having a magnetic field-sensitive element with accurately defined weight and thickness dimensions in the nanometer range
A sensor suitable for measuring magnetic field gradients spanning very small regions has a magnetic field-sensitive element (37, 42) with a very accurately defined height and thickness (even into...
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4504880 |
Integrated magnetic recording head assembly including an inductive write subassembly and a magnetoresistive read subassembly
An integrated read/write head assembly incorporates a thin film inductive write head subassembly comprising first and second pole pieces that define a write transducing gap, and a magnetoresistive...
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4438470 |
Magnetic head of magnetic reluctance effect type and a method for making the same
A process for making magnetic reluctance effect type magnetic heads comprises forming the magnetic sensor, first lead and second lead sections in series by use of the same material. The noise in...
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4320428 |
Multitrack thin-film magnetic head with stacked electric leads
Elimination of cross talk in an array of integrated magnetic transducing heads by not arranging the electric input and output leads to which the individual transducing elements are connected in one...
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4141051 |
Variable dynamic range magneto-resistive head
A magnetic reading head having a magneto-resistive element of the non-magnetically biased type, in which the current is forced to flow through the element at an angle with the easy axis of...
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4071868 |
Narrow track MR head with side shields
A magnetic head consists of a magnetic flux converging core having a magnetic gap and a magnetoresistive effect element which forms a magnetic circuit and which is arranged in the same plane as the...
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4068272 |
High sensitivity magnetic head using magneto-resistive effect element
This invention provides a high sensitivity magnetic head using magneto-resistive effect elements consisting of ferromagnetic thin plates and allows construction of a high precision multi-track head...
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4065797 |
Multi-element magnetic head
A multi-element made magnetic head having a plurality of magnetoresistive elements of a ferromagnetic material such as permalloy formed on a base of a ferromagnetic material such as ferrite is...
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4040113 |
Magnetoresistive magnetic head
A magnetic head having a magnetoresistive element. The element comprises a center tap, while on the left-hand half a pattern of equipotential strips is provided at an angle with the longitudinal...
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3987485 |
Magnetic head with thin film components
A flux sensitive magnetic head is disclosed which comprises conductive electrodes formed contiguous to the principal surface of a semiconductor substrate at a predetermined spacing, the electrodes...
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3731007 |
MAGNETIC HEAD HAVING A MAGNETO-RESISTIVE BRIDGE CIRCUIT
A magnetic head is provided having at least one loop-shaped magneto-resistance effect device to which two input terminals and two output terminals are alternately connected, four resistor portions...
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3260980 |
Title is not available
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