Patent ID: 7090921
Filing Date: 2006-08-15
Classification: C03C

Abstract:
1. A coated article including a coating supported by a glass substrate, the coating comprising, from the glass substrate outwardly: a first dielectric layer comprising silicon zirconium nitride; a first contact layer comprising NiCr; a first IR reflecting layer comprising Ag; a second contact layer comprising NiCr; a second dielectric layer comprising silicon zirconium nitride; a third dielectric layer having an index of refraction n less than an index of refraction n of at least one of the first and second dielectric layers; a third contact layer comprising NiCr; a second IR reflecting layer comprising Ag; a fourth contact layer comprising NiCr; a fourth dielectric layer comprising silicon oxide; and wherein the coated article has a visible transmission of at least 70% and a sheet resistance (R