Aligned bismuth, strontium, calcium cuprate coatings on polycrystalline substrates
US5348937A · kind A · utility
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18Claims
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Key dates
| Filing date | Dec 21, 1993 |
| Grant date | Sep 20, 1994 |
| Priority date | — |
| Expiry date | Dec 21, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S505/733
Abstract
An article comprises an oriented thick film superconducting coating on a polycrystalline substrate. The coating includes at least two highly oriented platelet components of EQU Bi.sub.a Sr.sub.b Ca.sub.c Cu.sub.d O.sub.x (BSCCO) wherein, in one component, a is 2, b is 2, c is 1, d is 2, and x is 8 and, in another component, a is 2, b is 2, c is 0, d is 1, and x is .apprxeq.6, oriented such that said BSCCO platelets are essentially parallel to said substrate. Suitable polycrystalline substrates are MgO and alumina and mullite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.