Metallized information carrying discs

Details Metallized information carrying discs Metallized information carrying discs

G - Physics

11

B

352/32.4

G11B 7/00 (2006.01) G11B 7/26 (2006.01) G11B 23/00 (2006.01)

Patent

CA 1183605

ABSTRACT Most information carrying discs are made by impressing an information carrying surface onto a substrate and subsequently providing a metallic coating over the surface. This requires that disc manufacturers have sophisticated coating equipment and techniques. It has been found that premetallized blanks may be impressed with an information carrying surface so that only the manufacturer of the blanks is required to have coating technology.

383753

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