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Proceedings Paper

Bonding glass to metal with plastic for stability over temperature: II
Author(s): Chris L. Willis; Stephen P. Petrie
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Paper Abstract

To enable the invention of new optical instruments subjected to a broad range of operating conditions, there is a need to develop improved technology to hold small mirrors and other optical elements with high dimensional stability and low cost. A previous paper described a screening experiment on small face bonded mirrors subjected to an environment of -41 to +70 degree(s)C with the intent of finding factors that influence the bond joint's contribution to angular stability. This paper describes part of the continuing experiment, specifically addressing BK-7 mirrors bonded to Aluminum mounts with a flexible adhesive. The resulting tilt errors in the mirror assemblies were measured, and showed a definite pattern with respect to bond thickness. Flexible bonds between these two CTE mismatched materials did not fail, and exhibited high stability over temperature at 0.002-inch bond thickness.

Paper Details

Date Published: 9 September 2002
PDF: 11 pages
Proc. SPIE 4771, Optomechanical Design and Engineering 2002, (9 September 2002); doi: 10.1117/12.482174
Show Author Affiliations
Chris L. Willis, BAE SYSTEMS (United States)
Stephen P. Petrie, Univ. of Massachusetts/Lowell (United States)

Published in SPIE Proceedings Vol. 4771:
Optomechanical Design and Engineering 2002
Alson E. Hatheway, Editor(s)

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