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Fabrication Of Lightweight Mirrors Via CVDNew chemical-vapor deposition (CVD) process developed for fabricating lightweight Si/SiC mirrors. Process involves three CVD steps: to produce faceplate of mirror; to form lightweight back structure deposited integrally with faceplate; and to deposit layer of optical-grade material onto front surface of faceplate. Figure and finish of mirror fabricated into this latter material. Produces dense, highly pure polycrystalline materials polished to surface figures of high precision and finish.
Document ID
19910000288
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Goela, Jitendra S. (Morton International, Inc.)
Taylor, Raymond L. (Morton International, Inc.)
Date Acquired
August 14, 2013
Publication Date
June 1, 1991
Publication Information
Publication: NASA Tech Briefs
Volume: 15
Issue: 6
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
LAR-14299
Report Number: LAR-14299
ISSN: 0145-319X
Accession Number
91B10288
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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