Patent ID: 6111698
Filing Date: 2000-08-29
Classification: G02B

Abstract:
A reflection control member comprising:a substrate having a first surface;a multi-layer antireflective coating on said substrate, said antireflective coating including:a first layer formed of a nickel chromium alloy, said first layer being adjacent to said first surface of said substrate;a second layer on said first layer, said second layer being a silicon oxide;a third layer on said second layer, said third layer being a nickel chromium layer; anda fourth layer on said third layer, said fourth layer being a silicon oxide; anda primer layer between said substrate and said antireflection coating to promote adhesion of said antireflection coating, said primer layer having a thickness of less than 50 angstroms and being formed of a material which is susceptible to at least partial oxidation when exposed to oxygen.