Optical disk and process for producing the same

Details Optical disk and process for producing the same Optical disk and process for producing the same

1988-03-22

1989-08-01

Robinson, Ellis P.

Coating processes

Centrifugal force utilized

427273, 427277, 427336, 156314, 156654, 156655, 428 64, B05D 312

Patent

active

048532606

ABSTRACT:
An optical disk includes two disk substrates bound together with a spacer in between and at least one of the substrates has a recording layer facing the inside. Before using the adhesive, the portion of the recording layer in the bonding area is removed so that the adhesive is applied directly between the spacer and a transfer layer which has been formed on top of each substrate. The bonding inside the disk is much stronger and peeling of the disk is prevented.

REFERENCES:
patent: 4113492 (1978-09-01), Sato et al.
patent: 4492718 (1985-01-01), Mayer et al.
patent: 4518678 (1985-05-01), Allen
patent: 4685975 (1987-08-01), Kottman et al.
patent: 4731620 (1988-03-01), Yabe et al.

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