Patent ID: 6017581
Filing Date: 2000-01-25
Classification: B05B,B05C,B05D,C03C,C23C,G02B

Abstract:
In a method for applying a thin film optical coating to at least one lenticular article, said method comprising the step of subjecting said at least one article to vacuum deposition of said coating, the improvement comprising the steps of mounting and thereafter releasably retaining said at least one article in a fixture prior to the application of said coating, said fixture comprising a sheet composed of a metallic alloy selected from the group consisting of materials meeting the ASTM F 15 standard and materials meeting the ASTM F 30 standard, said sheet having at least one aperture formed therein, said at least one aperture being adapted to engage therewithin and to releasably retain said at least one article across a retainable dimension thereof by virtue of frictional forces between said at least one article and the regions of said sheet adjacent said at least one aperture, the thickness of said sheet bearing a ratio to said retainable dimension that is in the range of from about 1:400 to about 1:4.