Class 505/812 - Stock: (Class 428, 428/930)

Subclass of Class 505 - Superconductor technology: apparatus, material, process
Definition: Subject matter consisting of either a composition or a compound
No. of patents: 32
Last issue date: 09/17/2002

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Number	Title	Issue Date
6451450	Method of depositing a protective layer over a biaxially textured alloy substrate and composition therefrom A laminate article consists of a substrate and a biaxially textured protective layer over the substrate. The substrate can be biaxially textured and also have reduced magnetism over the magnetism of Ni. The substrate can be selected from the group consist...	09/17/2002
6239079	High temperature superconductor composite material A high temperature superconductor composite material capable of working at liquid nitrogen and higher temperatures K>77 has a sintered compound of intermixed components including high temperature superconductor ceramics, a silver dope, and sintering produ...	05/29/2001
5753862	Compound superconducting wire and method for manufacturing the same A compound superconducting wire comprising a matrix of CuX alloy and a multiplicity of Z3 X filaments embedded in the matrix in a spaced relationship so as not to come into contact with each other wherein X is Sn or Ga and Z3 X is Nb...	05/19/1998
5753380	High purity aluminum alloy conductor for use at ultra low temperatures The present invention concerns an aluminum alloy conductor of a cryostatic stabilizer for use at ultra low temperatures of 30° K. or lower which is provided on and around a superconductor. The aluminum alloy conductor is made of 6 to 200 weight ppm of at...	05/19/1998
5733389	Method of manufacturing a micro-alloy high purity aluminum conductor for use at ultra low temperature A method for manufacturing an aluminum alloy conductor for use at ultra low temperature which involves the steps of adding at least one of the metallic and semimetallic effective elements selected from the group consisting of B, Ca, Ce, Ga, Y, Yb and Th, ...	03/31/1998
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
5455223	Coated precursor powder for oxide superdonductors In one aspect, the present invention is a precursor powder to an oxide superconductor, namely a coated particle comprising a metal oxide particle core (including a mixed metal oxide, e.g., BSCCO-2212 or YBCO-123) on which is deposited a secondary metal ox...	10/03/1995
5266416	Aluminum-stabilized superconducting wire An aluminum-stabilized superconducting wire includes a superconducting wire member obtained by burying a superconducting filament in a copper matrix and an aluminum stabilizing member covered in an outer surface of the superconducting wire member, and the...	11/30/1993
5104745	Multifilament superconductor strand having an anti-diffusion barrier layer A multifilament superconducting strand for use at industrial frequencies and made from an initial billet comprising a superconducting core niobium-titanium alloy surrounded by an anti-diffusion barrier layer which is in turn surrounded by a copper based m...	04/14/1992
5044406	Pipe made from a superconducting ceramic material A pipe comprises a hollow support member made from a member selected from copper and copper compounds and a copper oxide superconducting ceramic material which covers the inner surface of the support member with a space kept in the pipe for use in a magne...	09/03/1991
4664960	Compositionally varied materials and method for synthesizing the materials Designed tailormade nonequilibrium synthetic disordered materials are provided containing nonperiodically distributed local environments whose position and type are controlled to obtain specific properties which can be coupled or decoupled one from anothe...	05/12/1987
4639396	Thermoplastics-metal fiber threads An extrusion drawn elongated thread-like filament comprising a minor proportion of elongated metal fibers embedded in a major proportion of thermoplastic polymer wherein the melting temperature of said metal is within the softening to molten range of said...	01/27/1987
4585696	Superconducting fiber A superconducting fiber of a superconducting fiber bundle, in which a base layer of a carbide or oxide is applied to the outer surface of a carrier fiber and subsequently a superconducting layer is deposited on the base layer to which the superconducting ...	04/29/1986
4581289	Superconducting fiber bundle Superconducting fiber bundle which contains a multiplicity of carrier fibers such as, for instance, carbon fibers, boron fibers, steel fibers coated with a superconducting layer of a niobium compound of the general formula NbCx Ny O	04/08/1986
4529669	Welded structure for use at very low temperatures A welded structure for use at very low temperatures having structural metallic members of austenitic stainless steel welded with a welding material of austenitic stainless steel. The oxygen content of the portion of the deposited metal where there is no d...	07/16/1985
4490439	Superconductor with improved persistence characteristics In a multifilamentary superconductor, plural filaments are separated from one another by a ductile nonsuperconducting copper matrix. The niobium titanium filaments are arrayed through the copper, with one filament being substantially larger than the other...	12/25/1984
4448854	Coherent multilayer crystals and method of making A new material consisting of a multilayer crystalline structure which is coherent perpendicular to the layers and where each layer is composed of a single crystalline element. The individual layers may vary from 2Å to 100Å or more in thickness....	05/15/1984
4415635	Electric brush A multifiber electrical brush formed of an electrically conductive matrix material having plural electrically conducting fiber wires embedded therein and extending therefrom, wherein the fiber wires have a diameter varying from 1 to 120μm, a length on th...	11/15/1983
4409297	Composite superconductors A composite superconductor that comprises a first alloy selected from the class consisting of Nb-Sn-X, V-Ga-X, and V-Si-X wherein X is selected from the class consisting of yttrium, tellurium, lanthanum, cerium, gadolinium, erbium, and mixtures thereof an...	10/11/1983
4341846	Palladium boron plates by electroless deposition alloy A bath for the electroless deposition of palladium boron comprises an aqueous solution of divalent palladium, ammonia or amine, and a tertiary amine borane. The bath may contain thio-organic, iminonitrile or other stabilizers. A hard palladium alloy is pl...	07/27/1982
4291105	Bimetallic strip for low temperature use There is provided a class of mechanically pre-stressed structures, suitably bi-layer strips comprising a layer of group 5 transition metals in intimate contact with a layer of an intermetallic compound of said transition metals with certain group 3A, 4A o...	09/22/1981
4242419	Epitaxial growth of superconductors such as Nb₃ Ge superconductors Nb3 Ge, Nb3 Al and Nb3 Si are prepared in A15 structures at the exact stoichiometric ratio with epitaxial growth on selected substrates. The phase diagrams of the materials are altered by this technique and only the A15 ph...	12/30/1980
4221834	Superconductive magnetic shield and method of making same A relatively thin superconductive magnetic shield, as of lead, is supported from a hollow support structure, as of aluminum or fiberglass by means of a multiplicity of spots of adhesive, as of epoxy, serving to bond the superconducting shield to the suppo...	09/09/1980
4216258	Mechanically formable composite part The composite part is constituted by a plate of flexible material such as plastic which has electrical and/or thermal insulating properties, at least one face of the plate being provided with a metal cladding which is subjected to a photoetching process i...	08/05/1980
4205119	Wrapped tantalum diffusion barrier A multifilamentary stabilized superconductor of the A-15 type is disclosed wherein the A-15 compound is formed on rods of niobium or vanadium by diffusion of tin or gallium, respectively, from a copper alloy matrix and wherein stabilization is provided by...	05/27/1980
4202931	Superconducting articles of manufacture and method of producing same Bulk coatings of Nb3 Ge with high superconducting transition temperatures bonded to metallic substrates and a chemical vapor deposition method for producing such coatings on metallic substrates are disclosed. In accordance with the method, a Nb...	05/13/1980
4103075	Composite monolithic low-loss superconductor for power transmission line A composite superconductor having both filamentary and film conductors for carrying the pure and impure components of direct current, respectively, or for alternating current, is disclosed, together with a method of making it, and a preferred arrangement ...	07/25/1978
4005990	Superconductors The structural quality of niobium germanide as a high-transition-temperature superconducting material is substantially improved by the presence of about 5 at. % oxygen. Niobium germanide having this oxygen content may readily be prepared as a bulk coating...	02/01/1977
3989475	Composite superconductors A composite superconductor which comprises (1) a first layer of an alloy ected from the group consisting of a vanadium-gallium (V--Ga) alloy with a gallium content from 12.5 at. % to 17.5 at. %, a niobium-tin alloy (Nb-Sn) with a tin content from 12 at. ...	11/02/1976
3981691	Metal-clad dielectric sheeting having an improved bond between the metal and dielectric layers An improved bond between the metal and dielectric layers of metal-clad dielectric sheeting is obtained by use of a black-chromium treatment on the metal layer....	09/21/1976
3963425	Composite materials A superconductor composite comprising at least one longitudinally extending superconductor filament or bundle of sub-filaments, each filament or bundle of sub-filaments being surrounded by and in good electrical contact with a matrix material, the matrix ...	06/15/1976

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Class 505/812 - Stock: (Class 428, 428/930)