Method for making a reflective laser recording and data...

Details Method for making a reflective laser recording and data... Method for making a reflective laser recording and data...

G - Physics

03

C

96/280, 352/32.4

G03C 1/06 (2006.01) G01D 15/00 (2006.01) G03C 1/76 (2006.01) G03C 5/30 (2006.01) G03C 5/58 (2006.01) G03C 8/06 (2006.01)

Patent

CA 1148007

Abstract A method for making a laser recording and data storage medium by first exposing a Lipmann emulsion to light in order to form a depthwise nuclei gradient, then physically developing the emulsion until a reflective surface layer of spheroid silver particles, having the desired degree of reflectivity, is attained and then chemically developing the remaining nuclei to form a dark underlayer of filamentary silver particles.

411149

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