Tunnelling barrier between two non-tunnelling superconductor-ins

Superconductor technology: apparatus – material – process – High temperature devices – systems – apparatus – com- ponents,... – Semiconductor thin film device or thin film electric...

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257 31, 257 36, 505702, 505832, 505849, 505848, 505874, 505922, 505162, 505181, 505203, 2503362, H01L 3922, H01L 3924

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053471431

ABSTRACT:
A superconducting tunnel element, having a plurality of super conductors separated by barriers, the superconductors each comprising two physically separate but electrically connected superconducting layers and one insulated control layer. As a result, summation of the detection capacity or of the transmitting intensity becomes possible. Also, the simultaneous detection or transmission is permitted on arbitrary different frequencies or a summation of the signal intensity is possible in the case of SQUID-systems.

REFERENCES:
patent: 3643237 (1972-02-01), Anacker
patent: 4837604 (1989-06-01), Faris
"Superconductive radiation detector with large sensitive area (series-connected STJ detector)," Review of Scientific Instruments, Jan. (1991), No. 1, New York.
Optical Detector Using Superconducting BaPb.sub.0.7 Bi.sub.0.3 O3 thin films, NTT Electrical Communication Laboratory, Tokai, Ibaraki-ken 319-11 Japan.

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