Superconductor technology: apparatus – material – process – High temperature – per se – Having tc greater than or equal to 150 k
Patent
1990-05-21
1993-06-15
Niebling, John
Superconductor technology: apparatus, material, process
High temperature , per se
Having tc greater than or equal to 150 k
20419224, 427 63, 505701, 505702, 505730, 505731, H01L 3924
Patent
active
052198340
ABSTRACT:
The present invention provides a process for producing a superconducting transistor on a surface of an insulating substrate. A pre-superconducting thin film contains a material that can be changed into a superconductor during subsequent processing but which is initially a non-superconductor. A thin film containing the material required by the pre-superconducting thin film is deposited in a preferred pattern on the pre-superconducting thin film. The assembly thus formed is heat treated to permit the material from the thin film to enter the pre-superconducting thin film, thereby forming superconducting regions in the pre-superconducting thin film in the preferred pattern. The superconducting regions form electrodes of the transistor.
REFERENCES:
patent: 4837609 (1989-06-01), Gurvitch et al.
IEEE Transactions on Magnetics vol. Mag 19, No. 3 May 1983.
IEEE Transactions on Magnetics, vol. Mag-21 No. 2, Mar. 1985.
Nishio et al., Applied Physics, vol. 56, No. 6, pp. 752-755, (1987).
Suzuki Hiroshi
Usuki Tatsuro
Yasui Ichiro
Yoshisato Yorinobu
Leader W. T.
Niebling John
Sanyo Electric Co,. Ltd.
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