Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1986-10-20
1988-08-30
Woo, Jay H.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
15624419, 15624424, 156245, 156267, 264107, 425810, B32B 3100
Patent
active
047674865
ABSTRACT:
An electrostatic capacitance type information signal recording disc comprises a laminated plate made up of a first sheet which is made from an inexpensive conductive or non-conductive material and is used as a core material and a second sheet which is made from a conductive material and is bound on at least one surface of the first sheet, and variations in geometrical configuration formed on the second sheet in accordance with information signals which are to be recorded. A method of manufacturing the disc comprises the steps of binding the second sheet on at least one surface of the first sheet so as to obtain a laminated sheet, cutting the laminated sheet into a plurality of laminated plates having a predetermined size, and compression molding the variations in geometrical configuration, in accordance with information signals which are to be recorded, on a recording part of the second sheet of each of the laminated plates supplied in succession.
REFERENCES:
patent: 3535182 (1970-10-01), Meier-Maletz
patent: 4270965 (1981-06-01), Torterotot et al.
patent: 4315878 (1982-02-01), Van Dover et al.
patent: 4389441 (1983-06-01), Datta et al.
patent: 4414660 (1983-11-01), Wang et al.
Akita Koji
Goshima Toshikazu
Nakajima Hiroshi
Nakane Yoshihito
Narita Osamu
Heitbrink Timothy W.
Victor Company of Japan Ltd.
Woo Jay H.
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