Low CTE metal-ceramic composite articles, and methods for...

Details Low CTE metal-ceramic composite articles, and methods for... Low CTE metal-ceramic composite articles, and methods for...

2007-07-17

2007-07-17

Edwards, N. (Department: 1774)

Optical: systems and elements

Mirror

C428S912200

Reexamination Certificate

active

10663359

ABSTRACT:
A mirror having low density, low CTE, high thermal conductivity, high elastic modulus, and a reflective, polishable surface. The instant mirror features a silicon-based metal coating as the reflective surface, and a composite body as a support or substrate for the reflecting surface. The composite body features carbon fibers reinforcing a matrix containing silicon metal and optionally some silicon carbide. The metal coating can be elemental silicon metal, possibly in amorphous form, and can be applied by a vapor deposition process such as chemical vapor deposition (e.g., plasma enhanced CVD) or physical vapor deposition such as evaporation or electron beam PVD.

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