Method of forming a durable wideband anti-reflection coating for

Communications: directive radio wave systems and devices (e.g. – Radio wave absorber – For aircraft or missile

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342 4, 427204, H01Q 1700, B05D 136

Patent

active

055024424

ABSTRACT:
An ultra hard, wideband anti-reflection coating for an IR window, such as GaAs, which resists environmental and chemical attack. The coating is designed to allow spectral transmission therethrough in a wide band, namely the 3 to 12 micron range. A cladding layer is formed on the GaAs window. A first diamond like carbon (DLC) layer is then formed on the first bonding layer. A bonding layer is formed on the first DLC layer and a second DLC layer is formed on the bonding layer.

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