Class 257/E23.076 - Conductive materials containing superconducting material (EPO)

Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E23.072. This subclass
No. of patents: 31
Last issue date: 10/28/2003

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Number	Title	Issue Date
6638894	Devices and systems based on novel superconducting material A class of superconductive materials containing copper-oxygen bonding and with mixed cation-occupancy designed with a view to size and valence consideration yield useful values of critical temperature and other properties. Uses entail all applications whi...	10/28/2003
6635603	Devices and systems based on novel superconducting material A class of superconductive materials containing copper-oxygen bonding and with mixed cation-occupancy designed with a view to size and valence consideration yield useful values of critical temperature and other properties. Uses entail all applications whi...	10/21/2003
6630425	Devices and systems based on novel superconducting material Superconducting copper oxides of the perovskite structure are modified to have mixed occupancy of a cation site, thereby resulting in increased limits in critical field and/or critical current. Mixed occupancy may be observed in terms of increased resisti...	10/07/2003
6096565	Multi-layer glass ceramic module with superconductor wiring A multilayer ceramic substrate electronic component is provided having high temperature superconductor material circuitry. The high temperature superconductor material is preferably yttrium-barium-copper-oxide and is encased within a noble metal such as s...	08/01/2000
6002951	Multi-layer ceramic substrate having high TC superconductor circuitry A multilayer ceramic substrate electronic component is provided having high temperature superconductor material circuitry. The high temperature superconductor material is preferably yttrium-barium-copper-oxide and is encased within a noble metal such as s...	12/14/1999
5849396	Multilayer electronic structure and its preparation An electronic structure is formed of alternating layers of a metal and a cured ceramic-polymer mixture. The ceramic-polymer mixture is prepared by mixing small ceramic particles into a flowable, curable polymer. The mixture is spread over a first metallic...	12/15/1998
5834405	Superconducting multilayer ceramic substrate A superconducting multilayer ceramic substrate is disclosed, prepared by firing a laminate of at least two polymer bonded cast sheets of a ceramic dielectric oxide powder, at least one sheet of which has a metallization pattern provided thereon, to thereb...	11/10/1998
5811375	Superconducting multilayer interconnection formed of oxide superconductor material and method for manufacturing the same A superconducting multilayer interconnection comprises a substrate having a principal surface, a first superconducting current path of a c-axis orientated oxide superconductor thin film formed on the principal surface of the substrate, an insulating layer...	09/22/1998
5780314	Method of forming a high performance low thermal loss bi-temperature superconductive device A superconductive electrical device is operable simultaneously at relatively higher temperatures, i.e., 60-90K, and at relatively lower temperatures, i.e., less than 12K. The device comprises a non-superconductive substrate with two regions, a first relat...	07/14/1998
5773875	High performance, low thermal loss, bi-temperature superconductive device A superconductive electrical device is operable simultaneously at relatively higher temperatures, i.e., 60-90K, and at relatively lower temperatures, i.e., less than 12K. The device comprises a non-superconductive substrate with two regions, a first relat...	06/30/1998
5760463	Superconducting layer in contact with group III-V semiconductor layer for wiring structure A superconductor device which includes a first wiring part and a second wiring part which together form a superconductive wiring. The first wiring part is arranged onto a substrate and is made of a superconductor material. The second wiring part is made o...	06/02/1998
5747873	Technique for fabricating hybrid high-temperature superconductor-semiconductor circuits A system for incorporating superconductor circuits and semiconductor circuits in multilayered structures. A carrier material is chosen that is a good thermal match with the preferred superconductor substrates. The preferred superconductor substrate materi...	05/05/1998
5672569	Process for fabricating a superconducting circuit A superconducting circuit having patterned superconducting wiring lines. Each wiring line consists of at least one portion (2') of the thin film (2) of an oxide superconductor deposited on a substrate (1). The portion (2') has a predetermined crystal orie...	09/30/1997
5648320	Method of manufacturing ceramic superconductor circuit board Circuit board devices are provided based on use of high temperature superconducting ceramic polymers comprising high temperature superconducting ceramic powders distributed in electrically insulative organic polymers which are thermosetting by reaction of...	07/15/1997
5567330	Electrical interconnect structures and processes Electrical interconnect structures comprised of high temperature superconducting signal layers on a substrate bonded to one another or optionally to a base substructure containing power and ground planes and processes for their preparation are disclosed....	10/22/1996
5476719	Superconducting multi-layer microstrip structure for multi-chip modules and microwave circuits A multi-layer microstrip structure includes a substrate and a first superconducting layer deposited on the substrate. A first dielectric layer, made at least partially of benzocyclobutene (BCB), is deposited on the first superconducting layer. Additional ...	12/19/1995
5474834	Superconducting circuit sub-assembly having an oxygen shielding barrier layer A circuit sub-assembly as a mounting for an electronic component such as Josephson device, i.e., a superconducting element, comprises a ceramic insulating substrate, an oxygen-shielding barrier layer formed on the insulating substrate, and a circuit film ...	12/12/1995
5430012	Superconducting multilayer interconnection formed of a-axis and c-axis oriented oxide superconductor materials A superconducting multilayer interconnection comprises a substrate having a principal surface, a first superconducting current path of a c-axis orientated oxide superconductor thin film formed on the principal surface of the substrate, an insulating layer...	07/04/1995
5420101	Structures super conductor tracks and process for making them The invention relates to a structured superconductive track and a process for making it from epitaxial high temperature superconductor (HTSC) layers using lift off technique, in which a HTSC track deposited on an elevated substrate region is surrounded by...	05/30/1995
5286713	Method for manufacturing an oxide superconducting circuit board by printing A superconducting circuit board is provided comprising a sintered alumina board containing more than 99% by weight of alumina and an interconnection pattern of an superconducting ceramics formed on the alumina board. Adhesion of the interconnection patter...	02/15/1994
5274268	Electric circuit having superconducting layered structure An electric circuit is provided on a semiconductor substrate with a supercoducting film. The surfaces being in contact with the superconducting film are made of heat-resistant non-oxide insulating materials so that the performance of the superconducting f...	12/28/1993
5212626	Electronic packaging and cooling system using superconductors for power distribution A board containing plural superconducting power planes, one for each required potential level, is used to distribute power to one or more semiconductor logic chips which, together with the board, are immersed in liquid nitrogen. Each chip is coupled therm...	05/18/1993
5124311	Structure of ceramic superconductive wiring and process of fabrication thereof There is disclosed the structure of a superconductive wiring fabricated on an insulating substrate comprising a conductive pattern having at least one wiring strip of a superconductive ceramic formed on the insulating substrate and a protective film cover...	06/23/1992
5081070	Superconducting circuit board and paste adopted therefor A superconducting circuit board is provided comprising a sintered alumina board containing more than 99% by weight of alumina and an interconnection pattern of an superconducting ceramics formed on the alumina board. Adhesion of the interconnection patter...	01/14/1992
5075200	Process of forming superconductive wiring strip A process of forming a superconductive wiring strip incorporates a deposition of a raw material on a mask layer followed by a lift-off stage for patterning the wiring strip, and the mask layer is formed for the miniature wiring strip by using lithographic...	12/24/1991
5057877	Superconductor interconnection apparatus A structure connecting superconductor transmission lines to integrated circuits comprises a plurality of interconnection substrates having superconducting transmission path deposited thereon in contact with metallic contact areas, and integrated circuit c...	10/15/1991
5019554	Structure of superconductive wiring having SiAlON buffer layer thereunder The structure of a wiring according to the present invention has a buffer layer interposed between an insulating layer and a wiring of a superconductive ceramic material, and the buffer layer hardly reacts on the superconductive ceramic material in a high...	05/28/1991
4960751	Electric circuit having superconducting multilayered structure and manufacturing method for same An electric circuit is provided on a semiconductor substrate with a superconducting film. The surfaces being in contact with the superconducting film are made of heat-resistant non-oxide insulating materials so that the performance of the superconducting ...	10/02/1990
4958200	Overcurrent protection circuit for semiconductor device A semiconductor device in which at least a part of each of the current flow paths extending from the electrode pads of the semiconductor chip to the outer terminals of the semiconductor package is made of superconducting material. During operation, when a...	09/18/1990
4954480	Multi-layer superconducting circuit substrate and process for manufacturing same A multi-layer superconducting circuit substrate, including insulating layers, and interconnection patterns of a superconductive ceramic material located between the insulating layers, the patterns of the superconductive ceramic material being connected vi...	09/04/1990
4837609	Semiconductor devices having superconducting interconnects A semiconductor device which includes either a single semiconductor chip bearing an integrated circuit (IC) or two or more electrically interconnected semiconductor chips, is disclosed. This device includes interconnects between device components (on the ...	06/06/1989

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Class 257/E23.076 - Conductive materials containing superconducting material (EPO)