Optical: systems and elements – Mirror – With selective absorption or transparent overcoating
Patent
1989-10-04
1991-12-31
Arnold, Bruce Y.
Optical: systems and elements
Mirror
With selective absorption or transparent overcoating
359589, 359350, G02B 100
Patent
active
050766635
ABSTRACT:
A method of protecting silver reflectors from damage caused by contact with gaseous substances which are often present in the atmosphere and a silver reflector which is so protected. The inventive method comprises at least partially coating a reflector with a metal oxide such as aluminum oxide to a thickness of 15 .ANG. or less.
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G. Hass et al., "Reflectance and Durability of Ag Mirrors Coated with Thin Layers of Al.sub.2 O.sub.3 Plus Reactively Deposited Silicon Oxide", Journal of Applied Optics, vol. 14, No. 11 (1975).
Arendt Paul N.
Scott Marion L.
Arnold Bruce Y.
Cordovano Richard J.
Gaetjens Paul D.
Moser William R.
The United States of America as represented by the United States
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