Thallim, bismuth and lead containing oxide superconductor
US5516752A · kind A · utility
1Cited by
8References
1Claims
0Family size
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Key dates
| Filing date | Nov 29, 1993 |
| Grant date | May 14, 1996 |
| Priority date | — |
| Expiry date | Nov 29, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S505/784
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Superconducting oxide material containing compound represented by the formula: EQU (Tl.sub.(1-p-q) Bi.sub.p Pb.sub.q).sub.y .gamma..sub.z (.alpha..sub.(1-r) .beta..sub.r).sub.s Cu.sub.v O.sub.w in which each of ".alpha." and ".gamma." is an element selected in IIa group of the periodic table, ".beta." is an element selected from a group comprising Na, K, Rb and Cs, "y", "z", "v", "w", "p", "q", "r" and "s" are numbers each satisfying respective range of 0.5.ltoreq.y.ltoreq.3.0, 0.5.ltoreq.z.ltoreq.6.0, 1.0.ltoreq.v, 5.0.ltoreq.w, 0.ltoreq.p.ltoreq.1.0, 0.ltoreq.q.ltoreq.1.0, 0.ltoreq.r.ltoreq.1.0 and 0.5.ltoreq.s.ltoreq.3.0.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.