Method of producing capacitive electronic discs

Details Method of producing capacitive electronic discs Method of producing capacitive electronic discs

1984-06-12

1985-12-10

Czaja, Donald

Plastic and nonmetallic article shaping or treating: processes

Forming electrical articles by shaping electroconductive...

Conductive carbon containing

264107, 427122, B29D 1700

Patent

active

045578850

ABSTRACT:
Capacitive electronic discs having thin conductive layers are prepared by coating a core disc with a finely particulate conductive composition comprising a thermoplastic resin, conductive carbon black particles and suitable additives. The powder coating is compressed under heat and pressure to fuse the powder to the surface of the core disc. An information pattern is embossed therein, preferably simultaneously.

REFERENCES:
patent: 3873495 (1975-03-01), Appel et al.
patent: 4512916 (1985-04-01), Datta
patent: 4515830 (1985-05-01), DiMarco

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