Surface texturing of superconductors by controlled oxygen pressure
Patent
·
OSTI ID:321316
A method of manufacture of a textured layer of a high temperature superconductor on a substrate is disclosed. The method involves providing an untextured high temperature superconductor material having a characteristic ambient pressure peritectic melting point, heating the superconductor to a temperature below the peritectic temperature, establishing a reduced pO{sub 2} atmosphere below ambient pressure causing reduction of the peritectic melting point to a reduced temperature which causes melting from an exposed surface of the superconductor and raising pressure of the reduced pO{sub 2} atmosphere to cause solidification of the molten superconductor in a textured surface layer. 8 figs.
- Research Organization:
- University of Chicago
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- Assignee:
- Illinois Superconductor Corp., Mt Prospect, IL (United States)
- Patent Number(s):
- US 5,856,277/A/
- Application Number:
- PAN: 8-657,415
- OSTI ID:
- 321316
- Country of Publication:
- United States
- Language:
- English
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