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6787181 |
Chemical vapor deposition method of making layered superlattice materials using trimethylbismuth
A method of forming a Bi-layered superlattice material on a substrate using chemical vapor deposition of a precursor solution of trimethylbismuth and a metal compound dissolved in an organic...
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6774088 |
Rare earth-Ba-Cu complex composition and method of producing superconductor using same
A metal complex composition containing complexes having metal species of a rare earth element, barium and copper and ligands of a trifluoroacetic acid or pentafluoropropionic acid ligand, a...
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6743533 |
Oxide superconductor, manufacturing method thereof, and base substrate therefor
An oxide superconductor of the present invention characterized in that it comprises: a substrate 1 made of metals having a high melting temperature; at least one oxide intermediate layer 2 and ...
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6743531 |
Oxide superconducting conductor and its production method
The object of the present invention is to provide an oxide superconducting conductor having superior strength and superconductor characteristics, and its production method. In order to achieve the...
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6740259 |
Method of manufacture of ceramic materials
A method of manufacture of a ceramic material comprises the steps of preparing a melt of the ceramic materials, cooling the melt slowly through the freezing point of the material to initiate...
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6740624 |
Spraying method to form a thick coating and products obtained
A method and an apparatus for spraying materials onto a substrate to produce a coating thereon is described which allows very thick layers of complex metal oxides to be produced. The apparatus and...
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6716796 |
Polycrystalline thin film and method of producing the same and oxide superconductor and method of producing the same
A polycrystalline thin film B consisting mainly of oxide crystal grains 20 which have a crystal structure of a Type C rare earth oxide represented by one of the formulas Y 2 O 3 , Sc 2 O 3 , Nd 2...
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6673387 |
Control of oxide layer reaction rates
A process is described for formation of oxide films independent of thickness from precursor films comprising metals, metal oxides, and metal fluorides with properties and structures similar to...
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6638568 |
Method for curing cracks in ceramic shaped bodies and shaped bodies treated in such a manner
A method of curing cracks in a ceramic shaped body made from ceramic magnet materials or ceramic superconductor materials, in which a filling material which melts at a lower temperature than the...
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6632539 |
Polycrystalline thin film and method for preparing thereof, and superconducting oxide and method for preparation thereof
The polycrystalline thin film is made of a composite oxide of a cubic crystal system which has a pyrochlore type crystalline structure of a composition represented as either AZrO or AHfO (A in the...
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6605569 |
Mg-doped high-temperature superconductor having low superconducting anisotropy and method for producing the superconductor
A Mg-doped high-temperature superconductor having low superconducting anisotropy includes a two-dimensional layered structure constituted by a charge reservoir layer and a superconducting layer,...
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6596421 |
Elongated superconductor structure with a high-Tc superconductor material and a metallic mount, and method for producing the structure
The superconductor structure has a metallic, biaxially textured mount, an intermediate layer system deposited on the mount and including at least two intermediate layers composed of different...
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6586042 |
Method of preparing oxide superconductor with purified mixed metal trifluoroacetate
An aqueous solution of mixed metal acetate including one kind or more of element selected from lanthanide series and yttrium, barium and copper is mixed with trifluoroacetic acid to prepare a...
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6572916 |
Coating method for use in a process for producing high-temperature superconductive strip conductors
Coatings especially for superconductive strip conductors, as well as methods of applying the coatings, are addressed. Exemplary coatings include aluminum oxide in an aqueous suspension, with...
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6524643 |
Method for preparing layered structure including oxide superconductor thin film
The invention provides a method for preparing a layered structure comprising a lower thin film composed of an oxide superconductor and an upper thin film composed of a material different from the...
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6506439 |
Apparatus and process for the production of a superconductive layer
An apparatus and process for applying a superconductive layer on an elongate substrate that includes moving the elongate substrate through a heating zone, applying a pulsed laser beam against a...
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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...
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6440904 |
High-temperature superconductor arrangement
Ceramic high-temperature superconductors ( 1 ) which are intended to be used as current limiters in alternating-current lines should have a bypass layer ( 2 ) whose electrical resistivity is...
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6365554 |
Separating layer for heat treating superconducting wire
An oxide superconductor wire is prepared by preparing a length of precursor wire for processing into an oxide superconductor wire and coating the precursor wire with an isolating layer. The coated...
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6358331 |
Method for improving quality of triniobium tin superconductor in manufacturing environment by controlling iron content in molten tin bath
A tin alloy bath with controlled iron content is used for coating a niobium-base substrate with tin in a manufacturing process for triniobium tin superconductor. One hundred twenty-five parts per...
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6352741 |
Planar high temperature superconductive integrated circuits for using ion implantation
High temperature superconductive (HTS) integrated circuits can be fabricated in three ways according to the invention. First, a planar multiple layer HTS integrated circuit is fabricated using...
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6340657 |
Method for producing thin films of ribbon-like oxide high-temperature superconductor
A simple and low-cost method for producing a thin film of ribbon-like oxide high-temperature (high-Tc) superconductor, which comprises placing a solid starting material for the oxide...
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6331675 |
High texture factor
An aspected multifilamentary oxide article is provided having a plurality of aspected filaments including a metal oxide and extending continuously for the length of the article. A constraining...
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6297199 |
Resin impregnated oxide superconductor and process for producing same
There are disclosed an oxide superconductor which is made of an oxide superconductive bulk body (e.g. a rare earth element base copper-oxide superconductive bulk body) which has a resin impregnated...
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6291402 |
Method of making a superconductive oxide body
Some mechanical, electrical, and thermal properties of high T c superconductors such as (Ba, Y) cuprates can be substantially improved by the dispersal of an appropriate metal in the...
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6265019 |
Process of increasing the critical temperature Tc of a bulk superconductor by making metal heterostructures at the atomic limit
A method of forming Supercondtuctors with high critical temperature is described in which heterostructures at the atomic limit are realized artificially by molecular beam epitaxy, sputtering,...
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6265353 |
Device and method for producing a multilayered material
In a method for producing laminate, a buffer layer is applied to a substrate, with the buffer layer material being evaporated from the buffer layer material dispensing devices at an angle α 1 ≠0...
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6263219 |
SQUID formed on a sapphire substrate and method for manufacturing the same
A SQUID made of an oxide superconducting thin film is formed on a sapphire substrate. CeO 2 film, RBa 2 Cu 3 O 7 -x film ("R" indicates a rare earth element chosen among a group formed of Yb,...
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6251834 |
Substrate materials
The invention provides an improved substrate for growing layers of oxide superconductor materials for use in high current engineering applications. The invention also provides superconducting...
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6235685 |
Production method of joints of superconducting oxide and normal conductor
A rod 1 made of superconducting oxide is soaked in a molten normal conductor 2 to join the rod 1 and the normal conductor 2, whereby a superconducting oxide current lead is prepared. As a result, a...
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6216941 |
Method for forming high frequency connections to high temperature superconductor circuits and other fragile materials
A method for forming high frequency connections between a fragile chip and a substrate is described, wherein metal is selectively deposited on a surface of a chip and a surface of a substrate, and...
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6214772 |
Process for preparing polycrystalline thin film, process for preparing oxide superconductor, and apparatus therefor
A method is presented for making a polycrystalline thin film (B) by depositing particles emitted from a target (36) on a substrate base (A) to form the film (B) constituted by the target material...
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6194353 |
Process for preparing superconducting thin film formed of oxide superconductor material
A process for preparing an oxide superconductor thin film which has a high crystalline, clean and excellent superconductive surface on a substrate by MBE. The MBE is effected under a condition that...
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6191074 |
Fabrication of superconducting wires and rods
The fabrication of superconducting wires and rods having desired and consistent electrical and mechanical properties, in particular those based on Yttrium Barium Copper Oxide (YBCO) and Bismuth...
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6188921 |
Superconducting composite with high sheath resistivity
A superconducting article having a high bulk sheath resistivity, and methods of manufacture of such an article. High-temperature superconductor filaments are disposed in a ductile matrix comprising...
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6188919 |
Using ion implantation to create normal layers in superconducting-normal-superconducting Josephson junctions
A SNS Josephson junction (10) is provided for use in a superconducting integrated circuit. The SNS junction (10) includes a first high temperature superconducting (HTS) layer (14) deposited and...
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6177856 |
Process for producing a current limiter having a high-temperature superconductor, and current limiter
On transition from the superconducting state to the normal conducting state, current limiters having a high-temperature superconductor increase their electrical resistance and thereby limit an...
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6172008 |
Process for preparing high crystallinity oxide thin film
A process for preparing an oxide thin film which has a crystalline, clean and smooth surface on a substrate. The process is conducted by using an apparatus comprising a vacuum chamber in which an...
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6147032 |
Method for indirect Ion implantation of oxide superconductive films
An implant patterned superconductive device and a method for indirect implant-patterning of oxide superconducting materials is provided. The method forms a device having an oxide superconducting...
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6083885 |
Method of forming textured high-temperature superconductors
An oxide superconductor includes a textured superconducting material including an array of defects with a neutron-fissionable element, or with at least one of the following chemical elements:...
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6066600 |
Method of making high-T.sub.c SSNS and SNS Josephson junction
A high temperature superconductor junction and a method of forming the junction are disclosed. The junction 40 comprises a first high-T c superconductive layer (first base electrode layer) 46 on a...
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6060433 |
Method of making a microwave device having a polycrystalline ferrite substrate
The invention provides a structure comprising a high temperature superconducting layer deposited on a ceramic polycrystalline ferrite plate suitable for making commercial microwave devices. In one...
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6045932 |
Formation of nonlinear dielectric films for electrically tunable microwave devices
A thin film structure including a lanthanum aluminum oxide substrate, a thin layer of homoepitaxial lanthanum aluminum oxide thereon, and a layer of a nonlinear dielectric material thereon the thin...
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6040275 |
Preparation of superconducting films and a process for preparing the films
A novel ceramic substrate useful for the preparation of superconducting films, said substrate having the formula REBa 2 MO 6 where RE represents rare earth metals--Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy,...
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5987731 |
Elongated superconductive member
A method for manufacturing an elongated member from a superconducting ceramic material comprising the steps of providing a hollow supporting body of metal or a metallic compound having a hollow...
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5962373 |
Method for producing mixed metal oxide compounds
A precursor is made from a plurality of materials having different vapor pressures. The precursor and a source material are placed in a closed heat treatment furnace. The source material is...
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5952271 |
Method for manufacturing oxide superconducting films via laser ablation followed by laser material processing
The method for manufacturing superconducting elements according to the present invention includes the following steps of: (a) placing a substrate near a target in a chamber so that the substrate is...
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5945383 |
Method producing an SNS superconducting junction with weak link barrier
A method of producing a high temperature superconductor Josephson element and an improved SNS weak link barrier element is provided. A YBaCuO superconducting electrode film is deposited on a...
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5939361 |
Method of fabricating Tl or Hg-containing oxide superconductor film
A substrate is set in a reaction chamber, to heat the substrate to a predetermined temperature. Tl, Ba, Ca, Cu and O are supplied to the substrate by a Tl evaporation source and a target, to cause...
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5922651 |
Method for forming high tc superconductive thin films
Herein disclosed is a superconductive thin film formation method of forming a superconductive thin film having a high critical temperature and a low surface resistance. The method comprises a first...
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