Patent ID: 6310737
Filing Date: 2001-10-30
Classification: G02B,Y10T

Abstract:
A reflector with high total reflection, resisting mechanical stress, containing a reflector body made of metal on which are superimposed, in the following order,(a) a functional coating composed of a material selected from the group consisting of a gel film, a varnish and a polymer, having a thickness of from 0.5 to 20 .mu.m, and(b) a reflection layer structure containing a reflecting layer and a transparent protective layer, the reflecting layer being next to the functional coating, the transparent protective layer composed of a material selected from the group consisting of a silicon oxide of formula SiO.sub.x where x represents a number from 1.1 to 2.0, and an aluminum oxide of thickness of at least 3 nm, and the transparent protective layer being located on outer side of the reflector and protecting underlying layers against mechanical damage, and the transparent protective layer exhibits no surface damage in the wipe test according to DIN 58196 after 50 test cycles each of 100 wiping strokes.