Optical recording medium

Details Optical recording medium Optical recording medium

1993-10-19

1995-07-11

Hess, Bruce H.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428412, 428500, 428515, 430945, G03C 172

Patent

active

054319773

ABSTRACT:
An optical recording medium has a substrate and a recording film provided on the substrate. The recording film contains organic coloring matter and polyvinylbutyral. The organic coloring matter and polyvinylbutyral are dissolved by a solvent and coated on the substrate to form the recording film.

REFERENCES:
patent: 4851322 (1989-07-01), Inagaki et al.
patent: 5009987 (1991-04-01), Mihara et al.
patent: 5217844 (1993-06-01), Fukushima et al.

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