Multiple layer thin films with improved corrosion resistance

Details Multiple layer thin films with improved corrosion resistance Multiple layer thin films with improved corrosion resistance

1993-08-20

1996-04-23

Turner, A. A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

359360, 359585, 359589, 428432, 428433, 428469, 428472, 428701, 428702, 428699, 428697, B32B 1706

Patent

active

055101739

ABSTRACT:
The durability of thin metal coatings and particularly substantially transparent copper and silver plus noble metal coatings and their ability to withstand corrosive environments is improved by overcoating the metal layers with a double coating of dielectric. The first coating is made up of dielectric based on indium and/or zinc. The second coating is made up of dielectric based on indium and tin. These overcoatings are more effective than a single coating based on one metal or a single coating based upon the two metals.

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