Report 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.
Condensation Of Volatile Contaminant In An Instrument
NASA Tech Briefs ; 16 , 5
1992-05-01
Sonstige
Keine Angabe
Englisch
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