Magnetic recording medium having a carbon protective layer and p

Details Magnetic recording medium having a carbon protective layer and p Magnetic recording medium having a carbon protective layer and p

1993-12-28

1995-08-22

Resan, Stevan A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428408, 428457, 428694TC, 428694TS, 428694TR, 428694TF, 428694TP, 428900, G11B 500

Patent

active

054438888

ABSTRACT:
In making a magnetic recording medium, a diamond-like carbon film is formed stably with high product efficiency such as 200 .ANG./sec, without occurrence of irregular discharge, and improved still durability and reduced head contamination are achieved by utilizing a.c. plasma discharge or a.c. plasma discharge superimposed by d.c. power and the lubricant film.

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Japanese Patents Gazette Section CH: Chemical, Week 8539, Derwent Publications Ltd. London GB, Nov. 6, 1985, Class L, p. 42 No. J60157725/A.

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