Number | Date | Country | Kind |
---|---|---|---|
3007612 | Feb 1981 | DEX |
Number | Date | Country |
---|---|---|
0930428 | Jul 1955 | DEX |
6089702 | Dec 1979 | JPX |
Entry |
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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" Applied Optics, vol. 14, No. 11, Nov. 1975, pp. 2639-2644. |