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Proceedings Paper

Polyimide x-ray filter substrates optimized for cryogenic temperatures
Author(s): David A. Grove
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Paper Abstract

New generation x-ray instruments for spacecraft such as ASTRO-E and CONSTELLATION-X have very specialized requirements, notably operation at cryogenic temperatures. Luxel Corporation, under a NASA Phase I SBIR contract, undertook the demonstration of feasibility of producing polyimide films suitable for use as x-ray filter substrates specifically optimized for cryogenic applications. 5000 angstrom thick polyimide films were processed using different cure cycles, and burst pressure analyses were performed at 293, 77, and 4 Kelvin. Test data showed that polyimide films are inherently stronger at cryogenic temperatures than at room temperature. Through cure modification, film strength was increased an additional 9 percent at 4K over that of the standard cure clearly showing the feasibility of film optimization.

Paper Details

Date Published: 29 September 1999
PDF: 8 pages
Proc. SPIE 3766, X-Ray Optics, Instruments, and Missions II, (29 September 1999); doi: 10.1117/12.363653
Show Author Affiliations
David A. Grove, Luxel Corp. (United States)

Published in SPIE Proceedings Vol. 3766:
X-Ray Optics, Instruments, and Missions II
Richard B. Hoover; Arthur B. C. Walker II, Editor(s)

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