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WO/1989/008330A1 |
Polycrystalline high-Tc superconductors of general formula MmEeROx, composed of essentially crystallographically oriented granules, in which M is at least a trivalent element, such as a lanthanide, E is at least a divalent element, such ...
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WO/1989/008317A1 |
A superconductive structure comprising superconductive oxide ceramic powder having a perovskite structure and a metal sheath enclosing the powder. The metal sheath consists of an Ag portion and a non-Ag portion, the Ag portion exists fro...
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WO/1989/007344A1 |
New composite material comprising a petrowskite-type, mixed-valency copper oxide phase deficient in oxygen, in contact with a nitride phase. Application to electrical and electronic circuits.
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WO/1989/007086A1 |
Compositions containing a phase having the formula LA2-xNaxCuOz, wherein x is about 0.1 to about 0.3 and z is about 3.8 to about 4.2 are superconducting. Processes for manufacturing such compositions and for using them are disclosed.
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WO/1989/006864A1 |
Chevrel phase powders are compounds of lead, molybdenum and sulphur (PbMo6S8). Additives composed of a metal, a mixture of several metals and/or a metal alloy, all of which have a low melting point less than the heat-treatment temperatur...
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WO/1989/006440A1 |
A wire structure according to the present invention has a buffer layer between an insulating layer and a superconducting ceramic wire body. Since this buffer layer does not chemically react with the superconducting ceramic wire body at a...
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WO/1989/006441A1 |
In the method of forming superconducting wires according to the present invention, a wiring pattern is formed by the lift-off method after depositing a raw material on a masking layer. This enables a masking layer having a fine wiring pa...
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WO/1989/006053A1 |
In a known process, oxide powders derived from the four-component systems yttrium-barium-copper-oxygen or lanthanum-strontium-copper-oxygen are mixed, pressed, sintered, ground and then heat-treated to produce a superconducting material ...
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WO/1989/004816A1 |
In preparing a target material for a superconducting film by hot press process, a vacuum atmosphere is replaced with an inert gas atmosphere containing 0.1 to 10 % by volume of oxygen and having a pressure of 1 to 100 Torr at a predeterm...
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WO/1989/002872A1 |
A paste fur use in printing a superconductive film on a substrate, which comprises a first powder composed of composite oxide(s) and a second powder composed of carbonate(s) of an alkaline earth metal. The composite oxide contains at lea...
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WO/1989/002871A1 |
The invention relates to a process for the preparation of multi-element metal oxide powders useful as precursors for the preparation of high-temperature superconducting ceramics, characterized by mixing metal salt solutions in the stoich...
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WO/1989/002483A1 |
In one embodiment this invention provides a process for decreasing the resistivity of an electrical conductor. The process involves the application of high temperature and an external field to a conductor to induce a current flow and phy...
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WO/1989/002657A1 |
An R-A-Cu-O based superconducting ceramics is fabricated as follows. A starting powder provided is molded and then sintered to form a molded body sintered. The hot sintered molded body is subjected to cooling under specified cooling cond...
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WO/1989/002656A1 |
A sheathing material is disclosed for superconducting wires deformed by stretching or a similar process during their manufacture, and of which the superconducting material is composed of an oxide the superconductivity of which deteriorat...
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WO/1989/001924A1 |
A R-A-Cu-O based superconducting ceramics is fabricated as follows. First, a starting powder is provided and molded to form a molded body. Subsequently, the molded body is sintered in an oxygen-poor atmosphere with the partial pressure o...
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WO/1989/001706A1 |
A dispersion of ceramic superconductor particles is distributed in a matrix of a continuously connected nonferromagnetic metal. This bi-phase composite permits the material to exhibit the mechanical and thermal properties of metal and ye...
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WO/1989/001239A1 |
A method of fabricating a superconducting ceramic based material in which a constituent of the ceramic microstructure which gives the final product its superconducting properties is replaced by a halide prior to thermomechanical processi...
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WO/1989/000343A1 |
A device made of superconducting material comprises in particular, on a substrate of conducting material which is at least an ionic conductor of oxygen, or layer of superconducting material. The process provides that the adjustment of th...
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WO/1988/010499A1 |
A thin film of an oxide superconductor is formed by mixing a gas of an organometallic compound of an alkaline earth metal, a gas of an organometallic compound (halide) of a group IIIa metal, and a gas of an organometallic compound (halid...
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WO/1988/010515A1 |
There is disclosed an improved process for preparing a superconducting composition having the formula MBa2Cu3Ox wherein M is selected from the group consisting of Y, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb and Lu; x is from about 6.5 to about...
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WO/1988/010323A1 |
A thin superconductor film is formed by mixing a gas of a complex compound between an alkaline earth metal and a partially halogen-substituted organometallic compound, a gas of an organometallic compound (halide) of a group IIIa element,...
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WO/1988/010009A1 |
There is disclosed an improved process for preparing a superconducting composition having the formula MwAzCuvOx, wherein M is selected from the group consisting of Bi, Tl, Y, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb and Lu; A is at least one a...
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WO/1988/009701A1 |
There is disclosed an improved process for preparing a superconducting composition having the formula MBa2Cu3Ox wherein M is selected from the group consisting of Y, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb and Lu; x is from about 6.5 to about...
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WO/1988/009555A1 |
There is disclosed an improved process for preparing a superconducting composition having the formula MBa2, Cu3Ox, wherein M is selected from the group consisting of Y, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb and Lu; x is from about 6.5 to ab...
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WO/1988/009311A1 |
The method relates to obtaining superconducting materials, in particular, compounds of formula (I) where Y = 6-8, Ln is Y, -Sc or a lanthanoid; MII is Ba, Ca, Sr; MI is Cu; Cu + Ag, or of formula (II) where x = 1-2 and consists in a loca...
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WO/1988/009061A2 |
The composition and valence state (and therefore superconductivity) of a superconducting material (10) is adjusted and maintained by the electrochemical addition or subtraction of an enhancement material from or to a donor or receptor co...
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WO/1988/008618A2 |
The final step of a method of making a superconducting composite comprising an outer supporting casing (10, 31) of a non-superconducting inert material having active high temperature superconducting material (14, 27) such as YBa2Cu3O7 in...
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WO/1988/008338A1 |
A method of preparing a selected device geometry (10) of a superconducting compound. A high critical temperature superconducting compound is prepared from a starting metal composition (14) which is formed in a predetermined base geometry...
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WO/1988/007264A2 |
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...
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WO/1988/005029A1 |
A superconducting composition comprising an oxide complex of the formula [L1-xMx]aAbOy wherein L is lanthanum, lutetium, yttrium or scandium; A is copper, bismuth, titanium, tungsten, zirconium, tantalum, niobium, or vanadium; M is baryu...
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WO/1988/002542A1 |
A monolithic chip which is suited for a superconductive device. The chip includes a substrate (10) with high (14) and a low (12) temperature region, a superconductive device (24) formed on the low temperature region (12) and various line...
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WO/1985/001837A1 |
The present invention relates to supraconductor strands comprised of supraconductor filaments based on ternary molybdenum chalcogenide (Pb Mo6S8) and assembled within a stabilizing copper matrix. The objet is to provide a process for pro...
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WO/1982/003941A1 |
A compound-type superconductor, which is produced by incorporating either Nb or V metal (17) with an easily deformable metal (16) such as Cu to form a composite metal wire, chemically dissolving the easily deformable metal (16) to remove...
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WO/1980/002619A1 |
A superconductor used as a coil for a large-scaled superconductive magnet. A flat structure which has a plurality of superconductive wires buried therein, or a copper strap (4 in Fig. 1) which has a longitudinal groove is applied with a ...
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JP7472067B2 |
A connection structure of a superconducting layer of an embodiment incudes a first superconducting member including a first superconducting layer, and extends in a first direction, a second superconducting member including a second super...
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JP7471176B2 |
The present invention relates to a method for coating a substrate, in particular a superconducting tape conductor, in a vacuum environment, comprising: generating a metallic material in the gas phase, feeding the gaseous metallic materia...
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JP2024043984A |
The present invention provides a superconducting layer connection structure that can achieve low electrical resistance and high mechanical strength. A superconducting layer connection structure of an embodiment is provided between a firs...
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JP7460690B2 |
To provide a flexible wiring for low temperature application such as a quantum processor that uses a superconducting qubit.A device such as a flexible wiring includes an elongated flexible substrate, a plurality of conductive traces arra...
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JP2024043659A |
The present invention provides a superconducting layer connection structure that can achieve low electrical resistance and high mechanical strength. [Solution] A superconducting layer connection structure of an embodiment is provided bet...
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JP2024041544A |
The present invention provides a formalless superconducting wire with high cooling efficiency, a method for manufacturing the same, and a superconducting cable including the superconducting wire. [Solution] A superconducting wire include...
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JP2024041561A |
The present invention provides a formalless superconducting wire with high cooling efficiency, an apparatus and method for manufacturing the superconducting wire, and a superconducting cable including the superconducting wire. A supercon...
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JP7452547B2 |
A persistent current switch includes a superconducting wire, a heater, and an insulating member. The superconducting wire includes a substrate and a superconducting layer provided on the substrate. The superconducting layer includes a fi...
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JP7449763B2 |
To provide an oxide superconducting wire that enables oxygen annealing to be conducted in a short time and suppresses a decrease in critical current value.An oxide superconducting wire 10 has a substrate 11, an intermediate layer 12 put ...
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JP7445238B2 |
To provide a superconducting wire rod high in critical current density and a manufacturing method therefor.A superconducting wire rod has a superconducting layer represented by a composition formula REBaCuO, where RE is a rare earth elem...
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JP7438380B2 |
An electric power supply apparatus for a user device, in particular for steel industry applications, that includes means for connection to an electricity grid for supplying a mains voltage and a mains current, and at least one electric l...
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JP7430874B2 |
To provide a heteroatom-doped diamond having a large amount of different dopants and exhibiting superconductive characteristics at high temperatures.A heteroatom-doped diamond is doped with oxygen atoms and/or nitrogen atoms by 1 atom% o...
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JP7428617B2 |
In the connection portion for a superconducting wire, a plurality of superconducting wires are integrated by a sintered body containing MgB2, end portions of the superconducting wires each having an outer peripheral surface of a supercon...
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JP7426224B2 |
To improve electrical characteristics and reliability for a connection structure of a superconducting wire.In a connection structure 100 of a superconducting wire, a sleeve 130 has a through-hole 131. In the through-hole 131, each of a p...
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JP7419208B2 |
To achieve a reduction in amount of heat intrusion into a superconducting coil.There is provided a high temperature superconducting current lead 21 which is used for energizing a superconducting coil in a vacuum vessel from an external p...
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JP2024006814A |
[Problem] To provide a multicore wire that can reduce costs, generate a stable magnetic field, and suppress generation of heat. [Solution] A multicore wire in which a plurality of filaments, which are second metal tubes, are arranged ins...
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