Optical information recording method and medium

Details Optical information recording method and medium Optical information recording method and medium

G - Physics

11

B

352/32.1

G11B 7/24 (2006.01) G11B 7/0045 (2006.01) G11B 7/007 (2006.01) G11B 7/244 (2006.01)

Patent

CA 1331807

ABSTRACT A method for optically recording information on an optical information recording medium comprising a light transmitting substrate, a light absorptive layer overlaying the substrate to absorb a laser beam and a light reflective layer overlaying the light absorptive layer, which comprises energizing the light absorptive layer by a laser beam entered through the light transmitting substrate, and locally deforming, by the energy thereby generated by the light absorptive layer, a surface layer of the substrate adjacent to the light absorptive layer, to form optically readable pits in the surface layer of the substrate.

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