Patent ID: 8497015
Filing Date: 2013-07-30
Classification: C03C,C23C,F24S,G02B,Y02E,Y10T

Abstract:
1. A reflective article, comprising: a transparent substrate having a first major surface and a second major surface; a basecoat formed over at least a portion of the second major surface; a primary reflective coating formed over at least a portion of the basecoat; and an inorganic protective coating formed over at least a portion of the primary reflective coating, wherein the protective coating consists essentially of a material selected from the group consisting of silica, alumina, or a mixture of silica and alumina, and a top coat formed between the primary reflective coating and the inorganic protective coating, said top coat comprising zinc stannate having a thickness in the range of 100 nm to 200 nm, wherein the basecoat comprises titania having a thickness in the range of 1 nm to 3 nm, and said reflective article further comprises an anti-corrosion coating positioned between the primary reflective coating and the protective coating, said anti-corrosion coating consisting of a single layer comprising at least one metal or metal alloy from members of Groups 2-16 of the Periodic Table of the Elements and having a thickness in the range of 20 nm to 40 nm.