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5468723 |
Method for forming a superconducting weak link device
A superconducting device has a structure of superconductor--normal--conductor (semiconductor)--superconductor. The superconducting regions and the normal-conductor region can be made of the same...
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5466664 |
Method for manufacturing a superconducting device having a thin superconducting channel formed of oxide superconductor material
A method of manufacturing a superconducting device involves forming a thin film on the surface of a substrate, forming a superconducting gate electrode on a portion of the thin film, etching the...
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5462921 |
Method of forming Hg-containing oxide superconducting films
A method of fabricating a thin-film Hg-containing oxide superconductor is disclosed, which comprises forming a thin film on a substrate, said thin film containing mercury, an alkaline earth...
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5462920 |
Method of preparing oxide superconducting wire
In order to prevent inflation of a metallic coating during heat treatment so that no ununiformity is caused in the critical current density in a method of preparing an oxide superconducting wire...
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5455451 |
Superconductized semiconductor device using penetrating Cooper pairs
Superconductized electronic devices, such as a Josephson junction device, or superconductized optical devices represented by a light emitting and receiving devices of semiconductor laser are...
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5453306 |
Process for depositing oxide film on metallic substrate by heat plasma flash evaporation method
The generation of a reaction product is suppressed between a metallic substrate and plasma in depositing a ceramic intermediate layer on the metallic substrate in a process for depositing an oxide...
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5449659 |
Method of bonding multilayer structures of crystalline materials
A method for producing multilayer structures comprised of materials with incompatible processing parameters is disclosed. A bonding layer of arbitrary dielectric constant is applied to each of two...
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5447909 |
Metalorganic chemical vapor deposition of superconducting oxide films
A superconducting thin oxide film is formed by the steps of mixing a gas of the organometal compound of the alkali earth metal, a gas of at least one organometal compound of the element of the...
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5447906 |
Thin film high TC oxide superconductors and vapor deposition methods for making the same
Superconducting transition metal oxide films are provided which exhibit very high onsets of superconductivity and superconductivity at temperatures in excess of 40° K. These films are produced by...
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5446016 |
Method for forming a patterned oxide superconductor thin film
A method for forming a patterned oxide superconductor thin film on a substrate comprises steps of forming a metal or semi-metal layer on a portion of the substrate, on which the oxide...
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5441926 |
Superconducting device structure with Pr-Ba-Cu-O barrier layer
A superconducting transistor having a source region and a drain region are formed by a YBCO film on a barrier layer, which is composed of a PBCO film formed on an STO substrate. A gate electrode is...
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5442195 |
Superconducting device including plural superconducting electrodes formed on a normal conductor
A superconducting device may include a superconducting weak link equipped with plural superconducting devices that are used as input-output terminals formed on the same plane and at least one...
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5439877 |
Process for depositing high temperature superconducting oxide thin films
In-situ process are provided for 1) depositing on a substrate a crystalline thin film of a high temperature superconducting oxide by exposing the back surface of the substrate, i.e., the surface of...
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5438037 |
Method for depositing another thin film on an oxide thin film having perovskite crystal structure
A method for depositing a thin film of a material on an oxide thin film having a perovskite type crystal structure formed on a substrate comprising steps of depositing a seed layer of a single...
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5434129 |
Method for manufacturing high tc superconductor coils
A method of producing a high temperature long length coil of superconductor wire is disclosed. The method utilizes the "powder-in-tube" method or a similar method to form a wire. The wire is then...
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5434126 |
Thin-film high Tc superconductor comprising a ferroelectric buffer layer
A thin-film superconductor includes a substrate, a ferroelectric film, and a superconducting oxide film. The ferroelectric film extends on the substrate. The ferroelectric film is made of a crystal...
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5432151 |
Process for ion-assisted laser deposition of biaxially textured layer on substrate
A process for depositing a biaxially aligned intermediate layer over a non-single crystal substrate is disclosed which permits the subsequent deposition thereon of a biaxially oriented...
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5432149 |
In-situ tunable Josephson weak links
A weak link is patterned from a high-temperature superconducting film using standard lithographic techniques. Once the area in which the weak link is to be located is defined, the remainder of the...
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5430014 |
Method of producing an SrTiO.sub.3 /YBa.sub.2 Cu.sub.3 O.sub.7 layer system and a layer system as thus produced as a high-temperature superconductor
c-axis oriented YBa 2 Cu 3 O 7 layers are grown with intervening SrTiO 3 layers bridged over steps at which there is a transformation to a-axis crystal-oriented growth. The multilayer...
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5430011 |
Crystal compensated superconducting thin film formed of oxide superconductor material
A superconducting thin film formed on a substrate, comprising at least one oxide superconductor layer formed on the principal surface of said substrate and at least one oxide layer formed of an...
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5424281 |
Oxide-superconduction grain boundary tunneling device
An oxide-superconducting device comprises first and second electrodes of oxide-superconductor which are connected through a tunnel barrier layer. The oxide-superconductor is formed on a substrate...
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5424282 |
Process for manufacturing a composite oxide superconducting wire
A process for producing a composite oxide superconducting wire is disclosed, which comprises the steps of compacting material powder for an oxide superconductor in a noble metal pipe; heating the...
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5422338 |
Layer-by-layer vapor deposition method for forming a high Tc superconductor thin film device
A thin film device comprising a substrate and an oxide superconductor film formed thereon, wherein said oxide superconductor film comprises atomic monolayers each composed of at least one kind of...
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5422336 |
Superconducting FET with Pr-Ba-Cu-O channel
A superconducting transistor with superior withstand voltage having source region and a drain region formed of oxide superconductors 3, a PrBa 2 Cu 3 O 7 -x layer 2 or an ScBa 2 Cu 3 O 7 -x...
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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...
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5416063 |
Method of producing a layer of superconductive oxide
Disclosed is a method for forming a superconductive oxide layer on a substrate. The method comprises applying a precursor solution to a major surface of the substrate such that a metal-containing...
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5416072 |
Superconducting device having an thin superconducting channel formed of oxide superconducting material
A superconducting device has a superconducting channel formed of an oxide superconductor on the principal surface of a substrate. A source electrode and a drain electrode likewise formed of oxide...
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5413988 |
Method for manufacturing an oxide superconductor thin film and a target for use in the method
An oxide superconductor thin film of Y 1 ±α Ba 2 ±β Cu 3 ±γ O 7 -δ with a smooth surface having a low density of particles being generated without decreasing superconductivity is produced...
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5413982 |
Field effect transistor having c-axis channel layer
A superconducting device comprising a substrate having a principal surface, a non-superconducting oxide layer having a similar crystal structure to that of the oxide superconductor, an extremely...
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5411938 |
Sealed glass coating of high temperature ceramic superconductors
A method and article of manufacture of a lead oxide based glass coating on a high temperature superconductor. The method includes preparing a dispersion of glass powders in a solution, applying the...
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5403819 |
MBE method for preparing high Tc superconducting thin films
A method for preparing a thin film formed of an oxide superconductor on a substrate by emitting molecular beams of constituent elements of the oxide superconductor to the substrate under high...
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5401717 |
Elongate bismuth system superconductor having aligned 2212 phase
This invention is related to the preparation of an elongate conductor having a silver sheath, and a core of an aligned polycrystalline oxide superconductor having the approximate formula Bi 2 -x Pb...
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5401530 |
Process for fabricating a Josephson device
A process for producing a Josephson device is disclosed, wherein a Josephson junction is formed over a recess step by oblique deposition and a protective layer of conducting material or...
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5399547 |
Method for increasing the critical current density of high transition temperature superconductors
The present invention provides a methodology for increasing the critical current density carried by high transition temperature; superconductive materials. The methodology is employed using any...
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5389606 |
Process for producing thin films of inorganic oxides of controlled stoichiometry
An in-situ process for preparing thin films which contain relatively volatile and involatile oxides is disclosed, in particular, crystalline thin films of oxides of conductors, superconductors or...
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5384307 |
Oxide superconductor tape having silver alloy sheath with increased hardness
A method of forming the superconducting body comprises forming a body comprised of a precursor deposit of an oxide superconductor on a substrate formed from a silver alloy comprised of a solute...
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5379019 |
Apparatus for embossing superconducting tape for use in a superconducting magnet
An apparatus for manufacturing embossed foil for use in controlling the flow of the molten metal tin plating provided in forming laminated tape for use in superconducting magnets utilizing meshing...
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5376409 |
Process and apparatus for the use of solid precursor sources in liquid form for vapor deposition of materials
A process and apparatus for the use of liquid-source bubbler/delivery systems for the delivery of solid source precursors employed in the growth of advanced technical materials such as the...
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5376625 |
Method of making thin film superconductor assembly
A thin film superconductor assembly is disclosed along with a method of fabricating same. The assembly comprises a self-supporting substrate defining at least a portion of a containment for a flow...
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5376627 |
Method of preparing Tl-containing oxide superconducting thin film
Provided herein is a method of efficiently preparing a thin film having a higher critical temperature as to an oxide superconducting material containing Tl. A thin film of an oxide containing Tl is...
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5376628 |
Method of improving or producing oxide superconductor
Herein is disclosed a method of improving or producing an oxide superconductor. An oxide superconductor or starting material of oxide superconductor as an object material is irradiated with active...
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5374613 |
Method for manufacturing an oxide superconductor thin film
A method for manufacturing an oxide superconductor thin film is disclosed, which comprises the steps of: (1) preparing a substrate; depositing an oxide superconductor thin film on said substrate by...
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5366770 |
Aerosol-plasma deposition of films for electronic cells
An atmospheric process for the production of a coating of film upon a nickel-containing substrate. In the first step of this process, an aerosol mist containing reactants necessary to form the...
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5364835 |
Method of adding a halogen element into oxide superconducting materials by ion injection or thermal diffusion
A method of producing an oxide superconducting material comprises the steps of adding a halogen element to an oxide superconducting material by ion injection and thermal diffusion, forming a film...
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5362710 |
Process for preparing high Tc superconducting material
A process for preparing a thin film of superconducting material is disclosed in which films are deposited from a defined target. The thin films prepared by the process are characterized by high...
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5362711 |
Method for producing single crystal superconducting LnA.sub.2 Cu.sub.3 O.sub.7-x films
A process for forming a single crystal superconducting LnA 2 Cu 3 O 7 -x film, wherein Ln is at least one rare earth element and A is at least one alkaline earth element, is disclosed, which...
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5360784 |
Method for manufacturing an oxide superconducting tape
An oxide superconducting material is coated with silver or an alloy thereof and shaped into a linear body, and the linear body is subjected to diameter reduction by means of groove roll rolling, a...
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5360785 |
In-situ laser ablation method for forming oxide superconducting films
In a method of preparing an oxide superconducting thin film having a composition of Y-Ba-Cu-O, for example, using laser ablation, which comprises the steps of applying a laser beam to a target...
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5358926 |
Epitaxial thin superconducting thallium-based copper oxide layers
Novel articles are provided of thin super-conductive thallium-based copper oxide layers on inorganic, usually crystalline substrates. Novel methods are provided for ease of producing such articles,...
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5358928 |
High temperature superconductor step-edge Josephson junctions using Ti-Ca-Ba-Cu-O
A process for formulating non-hysteretic and hysteretic Josephson junctions using HTS materials which results in junctions having the ability to operate at high temperatures while maintaining high...
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