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6093499 |
Copper alloy foils
Copper alloy foils are provided having far greater strength and heat resistance than conventional copper foils, and having better productivity, are characterized by a composition comprising, all by...
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RE35212 |
Superconductor magnetic reading and writing heads
Read/write heads for exchanging information with a magnetic media in either vertical or horizontal recording modes include SQUID detectors coupled to the magnetic flux path of the head. Selective...
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5463518 |
Magnetic head and magnetic recording and reproducing apparatus using a superconducting quantum interference device
A magnetic head has a superconducting quantum interference device having a ring made of a superconductive material including a Josephson junction which links to a magnetic flux generated by a...
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5457086 |
Superconducting composite for magnetic bearings
A composite includes granules of Type II superconducting material and granules of rare-earth permanent magnets that are distributed in a binder. The composite is a two-phase structure that combines...
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5270290 |
Information recording medium and methods of recording and reproducing information on and from the information recording medium
The present invention pertains to an information recording medium for recording audio information, visual information, data information and so on and also to information recording and reproducing...
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5114913 |
Magnetic head slider employing superconductor for levitation
A slider assembly for supporting a magnetic head a small uniform spacing above the surface of a magnetic recording medium comprising a slider body having a layer of superconducting material on the...
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5109312 |
Magnetic recording apparatus and magnetic head with superconducting material
A magnetic recording apparatus with a magnetic head, superconductive layers formed over at least flux generating surfaces of the magnetic head and normal conductive regions of small size for...
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5082827 |
Recording head suspension utilizing superconductor means
In a disk file data storage device wherein a radially movable recording head operates to write/read data relative to a recording disk, an electrically energizable superconductor magnetic suspension...
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5079219 |
Storing information-bearing signals in a superconductive environment using vortices as digital storage elements
Information-bearing signals are stored using high-temperature superconducting materials. Type II semiconductors, such as materials in the perovskite class, are used for recording. A vortex of...
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5075280 |
Thin film magnetic head with improved flux concentration for high density recording/playback utilizing superconductors
Structures of magnetic heads having superconducting shields are disclosed for spatially directing magnetic recording/playback fields. One embodiment is a thin film magnetic head with a layer of...
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5039656 |
Superconductor magnetic memory using magnetic films
This invention relates to a magnetic memory including a first superconductor wire, a second superconductor wire disposed in such a manner as to cross the first superconductor wire substantially...
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5034243 |
Method for magnetic orientation of magnetic recording medium using Meissner effect of high Tc superconductor
A method for magnetic orientation of a magnetic recording medium using Meissner effect of a superconductor and a system therefor and a magnetic recording medium produced thereby. The magnetic...
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5016128 |
Superconducting information storage device
An information storage device includes a magnetic recording medium, preferably supported upon a rotating disk, an electromagnetic writing device that writes magnetic patterns into the recording...
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5011817 |
Magnetic memory using superconductor ring
A noble unit cell structure in a magnetic memory is disclosed, in which a ferromagnetic film is sandwiched between first and second wires at a cross-over area, and third and fourth wires are...
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4937227 |
Thin-film magnetic head including an inductive transducing element
Thin-film magnetic head including an inductive transducing element (15) and a face (3) for magnetic flux coupling of the transducing element with a magnetic recording medium. A first magnetically...
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4935403 |
Recording head and its application
A recording head comprises a magnetically permeable substrate, a superconducting film formed on one side of said substrate, a means for producing a uniform magnetic field sustantially perpendicular...
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4927804 |
Thin-film transformer and magnetic head provided with such a transformer
Thin-film transformer suitable for use in a thin-film magnetic head has two magnetically permeable thin layers 3 and 5 primary turn constituted by an electrically conducting which form a magnetic...
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