Mirrors having a silver coating at a surface of a vitreous...

G - Physics – 02 – B

Patent

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Details

G02B 1/10 (2006.01) G02B 5/08 (2006.01)

Patent

CA 2487195

The present invention relates to a silver mirror comprising a silver coating which is not covered with a protective layer of copper. The mirror comprises in the order recited: (a) a flat glass substrate in the form of a glass sheet; (b) tin at a surface of the glass sheet; (c) a silver coating at the surface of the glass sheet; and (d) at least one paint layer covering the silver coating. The silver mirror exhibits an average number of white specks of less than 10 per dm2, after having been subjected to a 120 hour accelerated ageing CASS Test and/or a 480 hour Salt Fog Test.

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