Patent ID: 7153595
Filing Date: 2006-12-26
Classification: C03C,Y10T

Abstract:
1. A transparent pane having a transmission of visible light of between 2% and 15%, comprising: a substrate and a multilayer coating, wherein said multilayer coating comprises (i) a dielectric base layer comprising at least one oxide partial layer having a reflective index of 2 or greater and a nitride partial layer, (ii) a metal layer comprising a chromium alloy containing at least 45 weight percent chromium, wherein the metal layer is contiguous with the nitride partial layer; and (iii) a dielectric nitride covering layer, wherein the chromium alloy is selected from the group consisting of a CrAl alloy containing from 75 to 80 weight percent chromium, a CrSi alloy containing from 45 to 85 weight percent chromium, and a CrSiAl alloy containing from 70 to 80 weight percent chromium.