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7201827 |
Process and structure to fabricate spin valve heads for ultra-high recording density application
A method for forming a bottom spin-valve GMR sensor having ultra-thin layers of high density and smoothness and possessing oxygen surfactant layers as a result of the layers being sputtered in a...
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6791807 |
Spin-valve magnetic transducing element and magnetic head having free layer with negative magnetostriction
A spin-valve magnetic transducing element. In one embodiment, a spin-valve magnetic transducing element is disclosed in which a ferromagnetic tunneling junction film, including first and second...
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6766168 |
Packet data service network in a mobile radio communication network and method of operating a packet data service using the packet data service network
A packet data service system and operating method thereof in a mobile radio communication network is provided, which can support link mobility by maintaining a data connection between a mobile...
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6735850 |
Thin film read head structure with improved bias magnet-to-magnetoresistive element interface and method of fabrication
The present invention provides an improved bias magnet-to-magnetoresistive element interface and method of fabrication. In a preferred embodiment, the wall/walls of an MR element opposing a bias...
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6594124 |
Canted adjacent layer stabilized SV heads
An improved stabilization scheme for a GMR read head is described. Two important changes relative to prior art designs have been introduced. Instead of biasing by means of a permanent magnet or...
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6591480 |
Process for fabricating a flux concentrating stitched head
A method for fabricating a flux concentrating stitched write head for high data rate applications wherein said flux concentration is achieved by means of a non-magnetic step embedded into a portion...
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6330743 |
Thin film magnetic head and method of manufacturing the same
In order to provide a thin film magnetic head having a high performance as well as a method of manufacturing the same, in which throat height TH of a pole portion and MR height MRH can be formed...
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6191495 |
Micromagnetic device having an anisotropic ferromagnetic core and method of manufacture therefor
For use with an integrated circuit having a substrate and an insulator coupled to the substrate, a micromagnetic device and method of manufacturing therefor. In one embodiment, the micromagnetic...
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5570251 |
Thin film magnetic device with plural valves of magnetostriction
A thin film magnetic device includes an organic insulating layer of a raised shape and a soft magnetic alloy thin film covering the organic insulating layer. The soft magnetic alloy thin film has a...
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5229621 |
Magnetic semiconductor element and a magneto-optical read out head
A magnetic semiconductor element formed by joining a magnetostrictive material and a semiconductive material with each other, in which the lattice constant of the semiconductive material is...
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5117320 |
Magnetostrictive head with d.c. bias magnetic field
A magnetic head device comprising a magnetic core member made from a magnetic material having a positive magnetostriction constant and having confronting pole pieces separated by a non-magnetic...
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5091253 |
Magnetic cores utilizing metallic glass ribbons and mica paper interlaminar insulation
A magnetic core is fabricated from ferromagnetic metallic glass ribbon and mica paper insulation. The ribbon and insulation are co-wound, so that layers comprise alternate concentric rings. The...
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4924334 |
Magnetic storage device with track guidance system
A magnetic storage device which includes a magnetizable storage disk, a read/write magnetic head arranged on a flying body and a track guidance system has a servo head formed on a long side face of...
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4663607 |
Magnetoresistive element
A magnetroresistive element formed by laminating a plurality of metallic magnetoresistance effect films having magnetostriction of different signs on a substrate. The magnetoresistive element can...
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4604669 |
Magnetostrictive record head
A magnetostrictive record and playback head is disclosed which utilizes an acoustic wave traveling along the surface of piezoelectric material so as to distort the surface thereof and to change the...
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4604670 |
Magnetic head
A magnetic head (1) having a (monocrystalline) core (2) of a magnetizable material which provides a substantially closed path for magnetic flux (B) in write/read operations of the magnetic head...
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4520413 |
Integrated magnetostrictive-piezoelectric-metal oxide semiconductor magnetic playback head
A thin-film magnetic recording playback head is disclosed wherein mechanically coupled films of a magnetostrictive material and of a piezoelectric material are deposited on a substrate together...
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4499515 |
Integrated magnetostrictive-piezoresistive magnetic recording playback head
A thin film magnetic recording playback head is disclosed wherein mechanically coupled films of a magnetostrictive material and of a piezoresistive material are utilized with a solid state...
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4398229 |
Magnetic head with versatile gap
Apparatus squeezes together, on selective command, the poles of a core having a gap of a given physical gap length, thereby to place the poles under stress. Stress decreases the permeability of the...
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4242710 |
Thin film head having negative magnetostriction
A thin film inductive head is formed with nickel-iron binary alloy or nickel-iron-X ternary alloy pole pieces characterized by negative magnetostriction having a saturation magnetostriction...
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3671681 |
MAGNETOSTRICTIVE RECORDING ASSEMBLY
A magnetic recording head assembly for recording input signals by selectively energizable recording heads on respective recording tracks on a recording member. The head assembly includes a...
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3526899 |
MAGNETO-ACOUSTIC TRANSDUCER FOR HIGH TRACK DENSITY RECORDING
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3489863 |
ANALOG RECORDER APPARATUS AND METHOD UTILIZING MAGNETOSTRICTIVE TUBE-SHAPED RECORD MEDIA WITH FRINGE GAP
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3465311 |
THERMOSTRICTIVE RECORDING
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3182300 |
Magnetic tape transducer
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3144520 |
Magnetostrictive record and recording apparatus
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3053941 |
Magnetostrictive transducer for the recording and reproducing of magnetic information
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3016429 |
Magnetostructure recording device
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2977569 |
Detector with modulation by magnetostrictive-core acoustic transducer
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2964837 |
Method of transducer manufacture
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2890275 |
Magnetic recording using acoustic delay line
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2846666 |
Magnetostrictive pulse delay apparatus
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2811101 |
Magneto-strictive type printing device
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2780774 |
Magnetostrictive device
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