Method of manufacturing an optical reading disc

Details Method of manufacturing an optical reading disc Method of manufacturing an optical reading disc

1981-06-19

1982-10-12

Kimlin, Edward C.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563042, 1563084, 369175, 3461351, 346137, B29C 1900, C09J 502

Patent

active

043537677

ABSTRACT:
A direct-read-after-write optical recording disc having a pair of transparent, disc-shaped members, each being formed with integral inner and outer ring-shaped bosses on one of its sides. A thin recording layer of a light-sensitive material is coated on each disc-shaped member, in a shallow annular recess formed between its two ring-shaped bosses, and the two members are disposed in a coaxial relationship, with their respective bosses in abutment with each other, whereby the two recording layers are located within a sealed, annular chamber.

REFERENCES:
patent: 2703486 (1955-03-01), Ford
patent: 2920682 (1960-01-01), Lindberg
patent: 3684614 (1972-08-01), Lemelson
patent: 4038663 (1977-07-01), Day et al.
patent: 4074282 (1978-02-01), Balas, Jr. et al.

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