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US4791241A
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Stabilized superconducting wire
Assignee: Japan Atomic Energy Agency
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Filing: 1987-05-19
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Granted: 1988-12-13
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Expires: 2007-05-19
Abstract
Abstract A stabilized superconducting wire comprises a multicore section having a number of filaments of superconducting compound material disposed in an alloy matrix, a stabilizing material section positioned around the multicore section, and a diffusion barrier layer disposed between the stabilizing material section and the multicore section and formed of an Fe-Cr alloy containing not less than 5 weight percent but not more than 25 weight percent Cr.
Inventors
- 👤 Toshinari Ando
- 👤 Masataka Nishi
- 👤 Yoshikazu Takahashi
- 👤 Susumu Shimamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:47
CPC Classifications
H; H10; H10N; H10N60/00; H10N60/20; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/93; Y10S505/00; Y10S505/825; Y10S505/884; Y10S505/887; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
79 words
A stabilized superconducting wire comprising a multicore section having a plurality of filaments of superconducting compound material disposed in an alloy matrix, a stabilizing material section positioned around said multicore section, and a diffusion barrier layer disposed between said stabilizing material section and said multicore section, said stabilized superconducting wire being characterized in that: said diffusion barrier layer is composed of an Fe-Cr alloy containing not less than 5 weight percent but not more than 25 weight percent Cr.
Claim 2
Dependent Claim
79 words
A stabilized superconducting wire comprising a multicore section having a plurality of filaments of superconducting compound material disposed in an alloy matrix, a stabilizing material section positioned around said multicore section, and a diffusion barrier layer disposed between said stabilizing material section and said multicore section, said stabilized superconducting wire being characterized in that: said diffusion barrier layer is composed of an Fe-Cr alloy containing not less than 5 weight percent but not more than 25 weight percent Cr.
Claim 3
Dependent Claim
19 words
A stabilized superconducting wire as set forth in claim 1, wherein said superconducting compound material is Nb 3 Sn.
Claim 4
Dependent Claim
19 words
A stabilized superconducting wire as set forth in claim 1, wherein said superconducting compound material is V 3 Ga.
Claim 5
Dependent Claim
19 words
A stabilized superconducting wire as set forth in claim 1, wherein said superconducting compound material is Nb 3 Al.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-12-13 | 1992-06-13 | 1992-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-12-13 | 1996-06-13 | 1996-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-12-13 | 2000-06-13 | 2000-12-13 | $7700.00 | Window Closed / Lapsed |