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Condensation Of Volatile Contaminant In An InstrumentReport describes investigation of deposition of contaminant of cooled optical detectors in Wide-Field/Planetary Camera (WF/PC), an instrument in Hubble Space Telescope. To understand phenomenon, initially thought to be deposition of water from graphite/epoxy optical-bench material in instrument, researchers mounted several diagnostic instruments on access plate to monitor interior of WF/PC housing and optical bench. Temperature-controlled quartz-crystal microbalance (TQCM) measures adsorbed and desorbed volatile condensible material on surfaces in WF/PC.
Document ID
19920000296
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Hansen, Patricia A. (Caltech)
Jenkins, Teresa K. (Caltech)
Maag, Carl R. (Caltech)
Taylor, Daniel M. (Caltech)
Date Acquired
August 15, 2013
Publication Date
May 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 16
Issue: 5
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
NPO-18017
Accession Number
92B10296
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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