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Glass-to-Metal Seal Against Liquid HeliumSimple compression joint with indium gasket forms demountable seal for superfluids. Seal developed for metal lid on glass jar used in experiments on liquid helium. Glass container allows contents to be viewed for such purposes as calibration of liquid-level detectors and adjustments of displacement plungers. Seal contains liquid helium even when temperature drops below 2.19K. Made from inexpensive, commercially available materials and parts.
Document ID
19870000319
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Watkins, John L. (Caltech)
Gatewood, John R. (Caltech)
Date Acquired
August 13, 2013
Publication Date
July 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 7
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
NPO-16308
Accession Number
87B10319
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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