Optical storage media

Details Optical storage media Optical storage media

1990-02-22

1992-01-07

Ryan, Patrick J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428913, 430270, 430495, 430945, 346 76L, 3461351, 369288, B32B 302

Patent

active

050790617

ABSTRACT:
The optical storage medium of the present invention comprises: (1) a substrate; (2) ultra-thin recording layers containing a dye; and (3) controlling layers. The recording layers and the controlling layers are accumulated alternately, and the uppermost layer is a controlling layer. The optical storage medium of the present invention contains dye cohesions in the recording layer in an extremely small amount and of extremely small size so that the medium can store a high density of records.

REFERENCES:
patent: 4686169 (1987-08-01), Yoshino et al.
patent: 4737427 (1988-04-01), Miyazaki et al.
patent: 4794068 (1988-12-01), Miyazaki et al.
patent: 4845021 (1989-07-01), Miyazaki et al.

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