Optical information recording medium using metallized formazan d

Details Optical information recording medium using metallized formazan d Optical information recording medium using metallized formazan d

1993-02-01

1994-03-15

Ryan, Patrick J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428457, 428913, 430270, 430945, 346 76L, 3461351, B32B 300

Patent

active

052944719

ABSTRACT:
There is disclosed a recordable optical element that includes a metallized dye. The element has a transparent substrate and on the surface of the substrate, a dye containing recording layer and a light reflecting layer. The improvement is that the dye is a metal complex of a metallized formazan dye. The dyes that are used in the element are very light stable.

REFERENCES:
patent: 4940618 (1990-07-01), Hamada et al.
patent: 5024923 (1991-06-01), Suzuki et al.
patent: 5155723 (1992-10-01), Hamada et al.

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