Radiant energy – Invisible radiant energy responsive electric signalling – Superconducting type
Patent
1989-03-17
1990-12-18
Fields, Carolyn E.
Radiant energy
Invisible radiant energy responsive electric signalling
Superconducting type
505849, H01L 3900
Patent
active
049788531
ABSTRACT:
A novel high sensitivity superconductive bolometer is presented in which the detector is kept in its superconducting state during the functional phase. Operation is based on detecting an induced fluxoid motion following a temperature rise caused by impinging infrared radiation. The superconductive-flux-motion-induced bolometer consists of a superconductive film and a pick-up film which are electrically insulated from each other. As the temperature of the current carrying film rises, fluxoid motion is triggered, sweeping through both films so that a voltage is detected in the pick-up film. The superconductive-flux-motion-induced bolometer has higher sensitivity for detection of infra-red radiation than any bolometer known heretofore.
REFERENCES:
patent: 3193685 (1965-07-01), Burstein
patent: 4869598 (1989-09-01), McDonald
patent: 4873443 (1989-10-01), Schneider
Fields Carolyn E.
International Superconductor Corp.
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