Process for producing scratch resistant antistatic sound and pic

Details Process for producing scratch resistant antistatic sound and pic Process for producing scratch resistant antistatic sound and pic

1983-10-11

1985-03-05

Thibodeau, Paul J.

Coating processes

Coating by vapor, gas, or smoke

Metal coating

4272551, 4272552, 4272557, 427296, 428626, 428332, 428699, H04N 128, B32B 302

Patent

active

045030944

ABSTRACT:
Scratch resistant and antistatic sound and picture carriers made of synthetic resins are obtained by providing their surfaces with thin metal layer. The previously known gold layers applied electrolytically or in high vacuum have the disadvantage that they either were not sufficiently resistant to abrasion or the quality of reproduction was greatly impaired. Better results are obtained by providing the surfaces of the sound or picture carrier (1) with a thin coating (2), made of an iron-chromium-nickel alloy applied in a high vacuum and in a given case coating this layer with a noble metal coating (3), especially a gold coating, likewise applied in a high vacuum.

REFERENCES:
patent: 4077051 (1978-02-01), Vossen, Jr.

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