Optical recording disk and production process therefor

Details Optical recording disk and production process therefor Optical recording disk and production process therefor

1991-11-06

1995-01-17

Ryan, Patrick J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428457, 428913, 346 76L, 3461351, 430945, B32B 300

Patent

active

053824601

ABSTRACT:
An optical recording disk includes a light transmissive substrate, a recording film disposed on the substrate directly or through an intermediate layer and a protection film disposed on the recording film. The protection film consists of a dielectric material and the entirety of an upper flat surface and a side surface of the recording film is integrally covered with the dielectric material protection film.

REFERENCES:
patent: 4981743 (1991-01-01), Ho
patent: 5098761 (1992-03-01), Watanabe et al.
patent: 5100700 (1992-03-01), Ide et al.
patent: 5154957 (1992-10-01), Yamada et al.
patent: 5171618 (1992-12-01), Suzuki

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