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Proceedings Paper

Improving sapphire window strength
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Paper Abstract

Subjecting a-plane (90 degree) polished sapphire discs to a high temperature anneal resulted in a 31% improvement in the average strength, and a decrease in the strength variability. Implications on the design of sapphire pressure windows (thickness, weight, transmission) are reported.

Paper Details

Date Published: 27 June 1997
PDF: 4 pages
Proc. SPIE 3060, Window and Dome Technologies and Materials V, (27 June 1997); doi: 10.1117/12.277049
Show Author Affiliations
Michael R. Borden, GM Hughes Electronics (United States)
Joel Askinazi, Hughes Danbury Optical Systems, Inc. (United States)

Published in SPIE Proceedings Vol. 3060:
Window and Dome Technologies and Materials V
Randal W. Tustison, Editor(s)

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