Transparent article having protective silicon nitride film

Details Transparent article having protective silicon nitride film Transparent article having protective silicon nitride film

1995-10-19

1998-11-10

Turner, Archene

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

359359, 359580, 359585, 428432, 428433, 428472, 428697, 428698, 428699, G02B 528

Patent

active

058341030

ABSTRACT:
Transparent articles comprising transparent, nonmetallic substrate and a transparent film stack is sputter deposited on the substrate. The film stack is characterized by including at least one infrared reflective metal film, a dielectric film over the metal film, and a protective silicon nitride film of 10 .ANG. to 150 .ANG. in thickness over the said dielectric film. The dielectric film desirably has substantially the same index of refraction as does silicon nitride and is contiguous with the silicon nitride film.

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