Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Patent
1981-02-05
1982-04-27
McCamish, Marion
Stock material or miscellaneous articles
Circular sheet or circular blank
Recording medium or carrier
428447, 428451, 428900, 252 496, B32B 302
Patent
active
043271405
ABSTRACT:
High density information discs comprising a conductive carbon loaded polyvinylchloride disc is lubricated with a fractionated methyl alkyl siloxane lubricant which contains an amino alkoxy silane.
REFERENCES:
patent: 3833408 (1974-09-01), Matthies
Johnson Beverly K.
McCamish Marion
Morris Birgit E.
RCA Corporation
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