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Ceramic oxide superconductive composite material

Assignee: Sumitomo Electric Industries Ltd
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Filing: 1988-03-24
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Granted: —
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Expires: 2008-03-24
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Abstract

Abstract A ceramic oxide superconductive composite material which comprises at least two kinds of ceramic oxide superconductors having different superconductive properties from each other is provided.

Inventors

  • 👤 Masayuki C/O Osaka Works Of Nagata
  • 👤 Yuichi C/O Osaka Works Of Yamada

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 19:35
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/45; C04B35/4504; H; H10; H10N; H10N60/00; H10N60/01; H10N60/0268; H10N60/80; H10N60/85; H10N60/855; H10N60/857

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 23 words
A ceramic oxide superconductive composite mate­rial which comprises at least two kinds of ceramic oxide superconductors having different superconductive properties from each other.
Claim 2
Dependent Claim 23 words
A ceramic oxide superconductive composite mate­rial which comprises at least two kinds of ceramic oxide superconductors having different superconductive properties from each other.
Claim 3
Dependent Claim 73 words
The ceramic oxide superconductive composite material according to claim 1, wherein the superconductor comprises (1) at least one element selected from the ele­ments of Ia, IIa and IIIa groups of the periodic table, (2) at least one element selected from the elements of Ib, IIb, IIIb, IVa and VIIIa groups of the periodic table, and (3) at least one element selected from the group consisting of oxygen, boron, carbon, nitrogen, fluorine and sulfur.
Claim 4
Dependent Claim 122 words
The ceramic oxide superconductive composite material according to claim 2, wherein the superconductor has a composition of the formula: (M¹ 1-x M² x )M³ y M⁴ z (I) wherein M¹ is at least one element selected from the IIa group elements, M² is at least one element selected from the IIIa group elements, M³ is at least one element selected from Ib, IIb, IIIb, IVa and VIIIa group elements, M⁴ is at least one element selected from the group consisting of oxygen, boron, carbon, nitrogen, fluorine and sulfur, x is not smaller than 0.1 and not larger than 0.9, y is not smaller than 0.4 and not larger than 3.0, and z is not smaller than 1 and not larger than 5.
Claim 5
Dependent Claim 28 words
The ceramic oxide superconductive composite material according to claim 3, wherein M¹ is Ba, M² is an element selected from the group consisting of Sc, Y and La.

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