Optical recording medium

Details Optical recording medium Optical recording medium

G - Physics

11

B

352/32.4

G11B 7/24 (2006.01) G11B 7/244 (2006.01) G11B 7/257 (2006.01)

Patent

CA 1135413

ABSTRACT An optical recording medium comprises a plastic substrate coated with a first layer of a material which flows so as to fill in any surface imperfections or defects in the plastic substrate and hardens at low temperature to form a glossy, smooth, inert, hard and durable finish, in turn coated with a light reflecting layer and a light absorbing layer. The information is recorded with an intensity modulated focussed laser beam to melt or ablate the light absorbing layer and record information in the form of a reflective - antireflective pattern.

311433

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