Optical: systems and elements – Mirror – With selective absorption or transparent overcoating
Patent
1991-02-12
1993-06-01
Fields, Carolyn E.
Optical: systems and elements
Mirror
With selective absorption or transparent overcoating
359883, 359584, 359585, 4274192, 4274197, 428688, 428698, G02B 508
Patent
active
052165515
ABSTRACT:
A surface reflector according to a first aspect has an oxide undercoat formed on a substrate, a reflecting aluminum layer formed over the oxide undercoat, and a protective layer formed over the reflecting layer. A surface reflector according to a second aspect has a chromium sulfide undercoat formed on a substrate, a reflecting silver layer formed over the chromium sulfide undercoat, and a protective layer formed over the reflecting layer. A surface reflector according to a third aspect has an oxide undercoat formed on a substrate, a sulfide undercoat formed over the oxide undercoat, a reflecting silver layer formed over the sulfide undercoat, and a protective layer formed over the reflecting layer. The surface reflector according to a fourth aspect has a chromium sulfide undercoat formed on a substrate, a reflecting silver layer formed over said chromium sulfide undercoat, a protective layer (I) made of chromium sulfide that is formed over said reflecting layer, and a protective layer (II) formed over the protective layer (I). The surface reflector according to a fifth aspect has a protective silicon dioxide layer (III) formed over the protective layer (II) of the surface reflector according to the fourth aspect.
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L. Holland, "Vacuum Deposition on Thin Films", 1956, pp. 341-343.
Francombe et al, "Physics of Thin Films", 19082, vol. 12, pp. 25-32.
Asahi Kogaku Kogyo K.K.
Dunn Drew A.
Fields Carolyn E.
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