Review of Midcourse Space Experiment (MSX) satellite quartz crystal microbalance contamination results after 7 years in space

Details Review of Midcourse Space Experiment (MSX) satellite quartz crystal microbalance contamination results after 7 years in space Review of Midcourse Space Experiment (MSX) satellite quartz crystal microbalance contamination results after 7 years in space

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.540..503w&link_type=abstract

In: Proceedings of the 9th International Symposium on Materials in a Space Environment, 16-20 June 2003, Noordwijk, The Netherla

Computer Science

Space Environment, Materials

Scientific paper

The Midcourse Space Experiment (MSX) satellite was launched on April 24, 1996. This report provides an update of the quartz crystal microbalance (QCM) data that have been accumulated over the last 6+ years in space. MSX is the only known experiment that has provided continuous contamination monitoring for this extended length of time. Four temperature-controlled QCMs (TQCMs) were mounted on external surfaces of the spacecraft to monitor silicone and organic contaminant deposition and were operated at ~-50°C. One cryogenic QCM (CQCM) was located inside the Spatial Infrared Imaging Telescope (SPIRIT 3) cryogenic telescope and operated at 20K. This provided real-time monitoring of contaminant mass deposition on the telescope primary mirror. Thermogravimetric analyses (TGAs) on the CQCM provided insight into the amount and species of contaminants condensed on the SPIRIT 3 primary mirror during various spacecraft activities.

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