Optical recording medium

Details Optical recording medium Optical recording medium

1988-09-28

1990-11-27

Lechert, Jr., Stephen J.

Stock material or miscellaneous articles

Composite

Of polycarbonate

428469, 369288, 3461351, B32B 2736

Patent

active

049735209

ABSTRACT:
An optical recording medium is disclosed, which has a substrate and a recording film formed on the substrate. The recording film has a film comprising tin as the main component and passive state-forming metal layers formed on both sides of the tin film. The optical recording medium has a high recording sensitivity, a good signal quality and a high reliability. The optical recording medium is prepared by forming a first passive state-forming metal layer, a film comprising tin as the main component and a second passive state-forming metal layer in sequence on a substrate, and preferably heating the thus-obtained laminate.

REFERENCES:
patent: 4465767 (1984-08-01), Oba et al.
patent: 4477819 (1984-10-01), Lee et al.
patent: 4788097 (1988-11-01), Ohara et al.
patent: 4816840 (1989-03-01), Osato et al.
patent: 4816841 (1989-03-01), Kobayashi et al.

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