Patent ID: 6251482
Filing Date: 2001-06-26
Classification: C03C,C23C,G02B

Abstract:
In a process for forming a mirror comprised of sensitizing and activating a vitreous substrate, subsequently silvering the vitreous substrate to provide a silver coating thereon, and applying paint to the silver coating, the improvement comprising:activating the vitreous substrate by contacting the vitreous substrate with a solution comprised of at least one ion selected from the group consisting of bismuth (III), chromium (II), gold (III), indium (III), nickel (II), palladium (II), platinum (II), rhodium (III), ruthenium (III), titanium (III), vanadium (III) and zinc (II); andsilvering the vitreous substrate by spraying a silvering solution onto a surface of the sensitized and activated vitreous substrate to form a silver coating on the surface,so that a mirror is formed which has no copper layer.