High density information record lubricants

Details High density information record lubricants High density information record lubricants

1982-02-01

1983-06-21

Robinson, Ellis P.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

252 496, 369286, 369288, 428 64, 428447, 428451, 428323, 428522, B32B 302, G11B 574

Patent

active

043894410

ABSTRACT:
High density information records comprising a conductive carbon-loaded polyvinylchloride record are lubricated with a fractionated methyl alkyl siloxane lubricant which contains at least two dopants in an amount sufficient to reduce sensitivity of the records to moisture.

REFERENCES:
patent: 3833408 (1974-09-01), Matthies
patent: 3842194 (1974-10-01), Clemens
patent: 4275101 (1981-06-01), Wang et al.
patent: 4327140 (1982-04-01), Preston
patent: 4330583 (1982-05-01), Datta
patent: 4340629 (1982-07-01), Hillenbrand
patent: 4342660 (1982-08-01), Berry
patent: 4346468 (1982-08-01), Preston
patent: 4346469 (1982-08-01), Hillenbrand

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