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Low-Heat-Leak Electrical Leads For Cryogenic SystemsElectrical leads offering high electrical conductivity and low thermal conductivity developed for use in connecting electronic devices inside cryogenic systems to power supplies, signal-processing circuits, and other circuitry located in nearby warmer surroundings. Strip of superconductive leads on ceramic substrate, similar to ribbon cable, connects infrared detectors at temperature of liquid helium with warmer circuitry. Electrical leads bridging thermal gradient at boundary of cryogenic system designed both to minimize conduction of heat from surroundings through leads into system and to minimize resistive heating caused by electrical currents flowing in leads.
Document ID
19940000198
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Wise, Stephanie A.
(NASA Langley Research Center, Hampton, VA.)
Hooker, Matthew W.
(Clemson Univ.)
Date Acquired
August 16, 2013
Publication Date
April 1, 1994
Publication Information
Publication: NASA Tech Briefs
Volume: 18
Issue: 4
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
LAR-14964
Accession Number
94B10198
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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