Patent ID: 6680134
Filing Date: 2004-01-20
Classification: C03C,G02B,Y10T

Abstract:
A transparent substrate comprising a base and a stack of thin layers, wherein said stack of thin layers comprises:(i) a first coating of dielectric material; (ii) a second coating of dielectric material; and (iii) a functional layer wherein the functional layer comprises silver, has a first face and a second face, is disposed between the first coating of dielectric material and the second coating of dielectric material, and at least one of the first coating of dielectric material or the second coating of dielectric material contacts the functional layer at an interface; wherein at least one of the first coating of dielectric material or the second coating of dielectric material that contacts the functional layer at an interface comprises AlN; and wherein the functional layer comprises a first metal other than silver and/or at least one of the first coating of dielectric material or the second coating of dielectric material comprising AlN that contacts the functional layer at an interface comprises a second metal other than Al.