Magnetic recording medium having a carbon protective layer and partially fluorinated alkyl carboxylic acid lubricant layer
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United States of America Patent
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Aug 22, 1995
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N/A
app pub date -
Dec 28, 1993
filing date -
Dec 11, 1989
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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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