Process for making a video record disc

Details Process for making a video record disc Process for making a video record disc

1984-11-19

1986-10-07

Kimlin, Edward

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156245, 264107, 264 27, 358347, B31F 100, B29D 1700, B29D 1100, H04N 584

Patent

active

046157530

ABSTRACT:
A transparent record disc is provided which may appropriately have video signals optically recorded thereon, the record is composed of a lamination, for example, of pliant transparent plastic on a base of hard transparent plastic. The base provides strength for the record and the pliant plastic permits the video recording to be impressed into the record by simple embossing means, rather than by stamping or molding by which the surface of the record is actually raised above its melting point and caused to flow. An improved process for forming the video recordings on the disc record is also provided.

REFERENCES:
patent: 1877447 (1932-09-01), Friebus
patent: 2547009 (1951-04-01), Huston et al.
patent: 2776452 (1957-01-01), Chavannes
patent: 3051496 (1962-08-01), Borgia
patent: 3329997 (1967-07-01), Rand et al.
patent: 3335740 (1970-10-01), Frowde
patent: 4353767 (1982-10-01), Wilkinson

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