High density information disc

Details High density information disc High density information disc

1982-08-13

1983-11-08

Pianalto, Bernard D.

Dynamic information storage or retrieval

Storage medium structure

Layered

3461351, 346137, 358342, 369288, 428 64, 428161, 428408, 428447, 428451, 556425, C07F 718, G11B 370

Patent

active

044146604

ABSTRACT:
High density information discs comprising conductive carbon loaded polyvinylchloride discs are lubricated with a fractionated methyl alkyl siloxane lubricant which contains an alkylene oxide silicone copolymer additive.

REFERENCES:
patent: 3833408 (1974-09-01), Matthies
patent: 4275101 (1981-06-01), Wang et al.
patent: 4340629 (1982-07-01), Hillenbrand et al.
patent: 4342659 (1982-08-01), Wang et al.
patent: 4342660 (1982-08-01), Berry et al.
patent: 4346468 (1982-08-01), Preston et al.
patent: 4346469 (1982-08-01), Hillenbrand et al.
patent: 4351048 (1982-09-01), Berry

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