Memory disc lubricated by N-acyl sarcosine derivative

Details Memory disc lubricated by N-acyl sarcosine derivative Memory disc lubricated by N-acyl sarcosine derivative

1991-06-19

1992-05-19

Zimmerman, John

Stock material or miscellaneous articles

All metal or with adjacent metals

Having magnetic properties, or preformed fiber orientation...

428624, 428652, 428695, 428928, G11B 570, H01F 1000

Patent

active

051147980

ABSTRACT:
A recording medium lubricated with a thin film of a substituted N-acyl sarcosine. The lubricant is dissolved in a volatile organic solvent (preferably hexane) and coated onto the recording medium. A particularly preferred lubricant is N-oleoyl sarcosine.

REFERENCES:
patent: 3778308 (1973-12-01), Roller et al.
patent: 4153754 (1979-05-01), Huisman
patent: 4268556 (1981-05-01), Pedrotty
patent: 4391877 (1983-07-01), Shibata et al.
patent: 4396674 (1983-08-01), Somezawa et al.
patent: 4649072 (1987-03-01), Ryoke et al.
patent: 4929514 (1990-05-01), Natarajan et al.

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