Superconducting system, superconducting circuit chip, and...

Details Superconducting system, superconducting circuit chip, and... Superconducting system, superconducting circuit chip, and...

2006-07-11

2006-07-11

Ho, Tu-Tu (Department: 2818)

Active solid-state devices (e.g., transistors, solid-state diode

Superconductive contact or lead

Transmission line or shielded

C257S663000, C257S031000, C257S034000

Reexamination Certificate

active

07075171

ABSTRACT:
A superconducting system that includes an interface circuit capable of making the best use of a high-speed superconducting circuit and a high-speed semiconductor circuit. A multi-chip module in which an Nb superconducting circuit having josephson junctions formed by the use of Nb and an oxide high-temperature superconducting latch interface circuit having josephson junctions formed by the use of an oxide high-temperature superconductor are connected is located in a low temperature environment kept at 4.2 K. The oxide high-temperature superconducting latch interface circuit is connected to a high-speed semiconductor amplifier and a signal outputted from the Nb superconducting circuit is transmitted to the high-speed semiconductor amplifier. As a result, the limit of the operation speed of the oxide high-temperature superconducting latch interface circuit is raised and the superconducting system including the interface circuit capable of making the best use of both the high-speed Nb superconducting circuit and the high-speed semiconductor amplifier is realized.

REFERENCES:
patent: 4859879 (1989-08-01), Przybysz
Patent Abstracts of Japan, Publication No. 2000-353831 dated Dec. 19, 2000.
Patent Abstracts of Japan, Publication No. 2001-244511 dated Sep. 7, 2001.

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