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Proceedings Paper

Design review of an instrument to map low-level hydrocarbon contamination
Author(s): Brett D. Swimley; Mary W. Knighton; Vince C. Skurdal; Lee H. Pearson; John C. Stover
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Paper Abstract

An instrument capable of measuring and mapping hydrocarbon contamination densities as low as 3 milligrams/square foot has been developed for use in pre-bonding inspection of spacecraft components. The instrument makes use of the 3.4 micrometer absorption band present in hydrocarbons. Measurements above, one, and below the band are made to compensate for effects due to variations in substrate roughness. The instrument, dubbed 'SurfMap- IRTM, has been tested on substrates of aluminum and steel.

Paper Details

Date Published: 1 December 1993
PDF: 9 pages
Proc. SPIE 1995, Optical Scattering: Applications, Measurement, and Theory II, (1 December 1993); doi: 10.1117/12.162641
Show Author Affiliations
Brett D. Swimley, TMA Technologies, Inc. (United States)
Mary W. Knighton, TMA Technologies, Inc. (United States)
Vince C. Skurdal, TMA Technologies, Inc. (United States)
Lee H. Pearson, Thiokol Corp. (United States)
John C. Stover, TMA Technologies, Inc. (United States)

Published in SPIE Proceedings Vol. 1995:
Optical Scattering: Applications, Measurement, and Theory II
John C. Stover, Editor(s)

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