9 September 2002 Bonding glass to metal with plastic for stability over temperature: II
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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.
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Chris L. Willis, Chris L. Willis, Stephen P. Petrie, Stephen P. Petrie, "Bonding glass to metal with plastic for stability over temperature: II", Proc. SPIE 4771, Optomechanical Design and Engineering 2002, (9 September 2002); doi: 10.1117/12.482174; https://doi.org/10.1117/12.482174
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