Optical disc having signal recording layer on each side and meth

Details Optical disc having signal recording layer on each side and meth Optical disc having signal recording layer on each side and meth

1991-02-21

1994-02-08

Ryan, Patrick J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156292, 156250, 3461351, 346137, 346767, 369283, 369286, 369292, 365244, 428913, B32B 3100

Patent

active

052845389

ABSTRACT:
A double-side optical disc formed by a pair of optical disc halves bonded together, and a process for producing the double-side optical disc. An adhesive is applied to the disc halves, which are then bonded together at an angle relative to each other in which the direction of the adhesive flow on one disc half will intersect the direction of the adhesive flow on the other disc half. In this manner, satisfactory flatness of the optical disc may be achieved without being affected by surface irregularities of the adhesive layer.

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Patent Abstracts of Japan, unexamined applications, P field, vol. 11, No. 91, Mar. 23, 1987, The Patent Office Japanese Government.

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