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5908813 |
Method making integrated circuit metallization with superconductor BEOL wiring
The present invention discloses an integrated circuit that is wired with a high-temperature superconductive material that is superconductive at temperatures of about 70° K and above, and methods...
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5900391 |
High temperature superconducting thin film deposition method
Herein disclosed is a method for depositing a high Tc superconducting thin film. The superconducting thin film is deposited on one surface of a substrate. The substrate is exposed to an...
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5885939 |
Process for forming a-axis-on-c-axis double-layer oxide superconductor films
A process for forming a laminate of 123-type copper oxide superconductor thin films having dissimilar crystal axis orientations, a laminate of 123-type thin copper oxide superconductor layers...
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5885937 |
Superconducting tunnel junction element and superconducting device
This invention provides a superconducting tunnel junction element showing satisfactory Josephson effect. The element includes a Bi-based layered compound such as Bi 2 Sr 2 (Ca 0 .6 Y 0 .4)Cu 2 O...
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5880069 |
Process of making high T.sub.c Josephson junction device
A desired pattern is formed on a non-superconducting oxide film after the non-superconducting oxide film has been formed on a magnesia substrate. A superconducting oxide film is formed over the...
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5872081 |
Compositions for melt processing high temperature superconductor
A melt processing method for bulk or thick film fabrication of RE123 superconductor material includes the steps of using Nd in the RE123 to increase the recrystallization speed of the RE123, and...
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5869431 |
Thin film seeds for melt processing textured superconductors for practical applications
A method of fabricating bulk superconducting material such as RBa 2 Cu 3 O 7 -δ where R is La or Y comprising depositing a thin epitaxially oriented film of Nd or Sm (123) on an oxide substrate....
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5866195 |
Methods for forming diamond-coated superconductor wire
A method for producing elongated strip, wire or cable, a portion or all of which is defined by electrically metallic superconducting material. In one form, a substrate in the form of a strip, wire...
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5863846 |
Rigidized fibrous ceramic insulation
A slurry is molded from ceramic fibers and/or microparticles to form a soft felt mat which is impregnated with a sol prior to drying the mat. A catalyst for the sol is caused to diffuse into the...
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5863869 |
Thin film high T.sub.c oxide superconductors and method 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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5856277 |
Surface texturing of superconductors by controlled oxygen pressure
A method of manufacture of a textured layer of a high temperature superconductor on a substrate. The method involves providing an untextured high temperature superconductor material having a...
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5851955 |
Efficient growth of HTS films with volatile elements
A system for applying a volatile element-HTS layer, such as Tl-HTS, to a substrate in a multiple zone furnace, said method includes heating at higher temperature, in one zone of the furnace, a...
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5846846 |
Method for making a superconducting field-effect device with grain boundary channel
Disclosed is a method for making a superconducting field-effect device with a grain boundary channel, the method comprising the steps of depositing a first superconducting thin film on a substrate;...
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5846910 |
Method for production of B.sub.i -2212 superconducting tape material
This invention concerns a method for the production of an oxide superconducting tape material having a composition of Bi 2 Sr 2 CaCu 2 O 8 , which method consists essentially of forming a...
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5840659 |
Method of preparing oxide superconductive material
In order to provide a Tl--Ba--Ca--Cu--O superconductive material which can obtain a stable superconducting state and a method of preparing the same, the oxide superconductive material is expressed...
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5837332 |
Method and apparatus for preparing crystal thin films by using a surface acoustic wave
A method and apparatus for preparing thin films, a device, an electronic and magnetic apparatus, an information recording and reproducing apparatus, an information processing apparatus and a...
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5830828 |
Process for fabricating continuous lengths of superconductor
A process for manufacturing a superconductor. The process is accomplished by depositing a superconductor precursor powder on a continuous length of a first substrate ribbon, overlaying a continuous...
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5811376 |
Method for making superconducting fibers
A process for making a superconducting fiber or wire (10) is provided. The superconducting fiber or wire (10) has a superconducting core (12) and a glass cladding outer layer (14). The process...
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5807809 |
Method of fabricating thin film superconducting materials
Improved superconducting thin films are provided having very high T c (zero) and J c values, on the order of greater than or equal to 120K and 10 5 A/cm 2 or greater, respectively. The films of...
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5807495 |
Bi-based dielectric thin films, and compositions and method for forming them
Dielectrics represented by (Sr x Bi 1 -x)Bi 2 Ta 2 O y , wherein 0<x<1, and y represents the total number of oxygen atoms bonded to the respective metals, and thin films thereof, can be...
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5795849 |
Bulk ceramic superconductor structures
A method for producing a superconductor assembly includes preparing a first bulk ceramic superconductor having a first essentially random pattern of superconductor domains of a copper-oxide ceramic...
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5789347 |
Method of producing high-temperature superconducting materials
A method of producing ceramic superconducting materials such as YBa 2 Cu 3 O x includes blending together starting materials for the superconducting material. The blend of starting materials are...
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5789346 |
Method for manufacturing an oxide superconductor device
Method for manufacturing a superconducting device including forming on a surface of a substrate a non-superconducting oxide layer, a first oxide superconductor thin film, etching the first oxide...
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5776863 |
In-situ fabrication of a superconductor hetero-epitaxial Josephson junction
A method of in-situ fabrication of a Josephson junction having a laminar structure, the method comprising the steps of: (1) etching a planar substrate to yield a first planar segment, a second...
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5750474 |
Method for manufacturing a superconductor-insulator-superconductor Josephson tunnel junction
A superconductor-insulator-superconductor Josephson tunnel junction, comprising: a single crystalline substrate having a perovskite crystal structure; a template layer formed of a b-axis oriented...
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5747099 |
Two chamber reaction furnace
A vertical two chamber reaction furnace. The furnace comprises a lower chamber having an independently operable first heating means for heating the lower chamber and a gas inlet means for admitting...
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5747425 |
High T.sub.c superconductor magnetic shields and method of making same
High T c superconducting magnetic shields are provided, together with a method of fabricating such shields, wherein the shields exhibit very high critical applied magnetic field values of at least...
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5739084 |
Method for manufacturing a superconducting device having a reduced thickness of oxide superconducting layer
A method for fabricating a superconducting device with a substrate, a first oxide superconductor thin film, a barrier layer, a diffusion layer, and a second oxide superconductor thin film. The...
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5736489 |
Method of producing melt-processed polycrystalline YBa.sub.2 Cu.sub.3 O.sub .
A method is provided for producing polycrystalline superconductor materials which utilizes a zdense and non-polluting 211 substrate which has been pre-sintered prior to melt processing with a 123...
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5731271 |
Method for preparing an oxide superconducting tape
A method for growing a superconductive film, comprising: (a) helically winding a tape substrate around the outer periphery of a cylindrical or columnar holder and (b) growing a...
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5731270 |
Oxide superconductor and method and apparatus for fabricating the same
An oxide is formed which will form an oxide superconductor containing a Cu-O atomic layer. The oxide is hydrogenated. The oxide is oxidized after it is hydrogenated. The hydrogenation and the...
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5716908 |
Process for controlling crystalline orientation of oxide superconductive film
A process for controlling crystalline orientation of an oxide superconductive film includes a first-heat-treatment step, and a second-heat-treatment step. In the first-heat-treatment step, an oxide...
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5716909 |
Process for increasing the pinning force of superconducting Bi-Sr-Ca-Cu-O ceramic moldings
Process for increasing the pinning force of superconducting Bi-Sr-Ca-Cu-O ceramic moldings, which comprises heating the pure-phase 2212 phase of a Bi-Sr-Ca-Cu-O ceramic molding under pure oxygen or...
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5698496 |
Method for making an anisotropically conductive composite medium
In accordance with the invention, a high density z-direction interconnection medium is made by the steps of providing a non-conductive membrane having z-direction channels, filling the channels...
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5691280 |
Method of producing a high T.sub.c superconducting film free of second phase defects
A thin film which is substantially free of measurable surface defects due to second-phase inclusions is disclosed. The film is composed of multilayered strata of a first metal oxide interspersed...
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5690991 |
Superconducting joint between Nb.sub.3 Sn tape and NbTi wire for use in superconducting magnets
A method of forming a superconducting joint between the Nb 3 Sn layer of a superconducting tape and a superconducting NbTi wire through use of a Pb-Bi bath, joint securing arrangement and mold...
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5686151 |
Method of forming a metal oxide film
Disclosed is method of forming a metal oxide film including the steps of introducing a gas containing a metal compound having at least one element selected from the group consisting of carbon and a...
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5683968 |
Method for manufacturing a superconducting device
A superconducting device or a super-FET has a pair of superconducting electrode regions (20b, 20c) consisting of a thin film (20) oxide superconductor being deposited on a substrate (5) and a...
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5683967 |
Method for increasing the critical current density in type II superconducting materials
Method for increasing the critical current density in Type II superconducting materials. The generation of a regular pattern of defects for pinning vortices, where the density of pinning sites is...
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5677264 |
Process for forming A-axis oriented superconducting junction
The present invention discloses a process for forming an a-axis superconducting junction by adjusting the deposition temperature of an oxide normal conductor layer/and oxide superconductor layer/an...
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5674813 |
Process for preparing layered structure including oxide super conductor thin film
The invention provides a method for preparing a layered structure made up of a plurality of thin films composed of different compositions, in which the method involves using a reactive...
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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...
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5670204 |
Nb--Sn precursors having controlled impurities and method of making
Nb--Sn precursor articles are described that include a Nb alloy article that is at least partially coated with a layer of a Sn alloy, such as a Sn--Cu alloy. The precursor articles described herein...
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5665682 |
Method of manufacturing an oxide superconductor with high critical current density
An oxide superconductor capable of realizing a high critical current density and its manufacturing method requiring only a low temperature heat treatment. An oxide superconductor has a...
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5650376 |
(Nd, Ba).sub.3 Cu.sub.3 O.sub.7-d superconductor film
A superconducting film is disclosed which has the following composition: (Nd, Ba) 3 Cu 3 O 7 -d where d is a number greater than 0 but smaller than 0.5. The superconducting film has the same...
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5650377 |
Selective epitaxial growth of high-T.sub.C superconductive material
Fine epitaxial patterns of yttrium barium copper oxide on a strontium titanate substrate are provided by using a silicon nitride mask to define the pattern to be formed. A thin film of yttrium...
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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...
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5648321 |
Process for manufacturing thin films by multi-layer deposition
Described is a process for manufacturing thin films by periodically depositing (DEP) a number of block layers consisting of different base materials on a substrate (multilayer deposition), wherein...
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5646097 |
Method of fabricating a (1223) Tl-Ba-Ca-Cu-O superconductor
A method is disclosed for fabricating a polycrystalline <223> thallium-containing superconductor having high critical current at elevated temperatures and in the presence of a magnetic field....
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5646096 |
Process for fabrication superconducting wiring lines
Patterned superconducting wiring lines each consisting of a portion of a thin film of an oxide superconductor deposited on a flat substrate, the portion having a predetermined crystal orientation...
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