Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1984-11-21

1985-09-03

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of inorganic material

252 6254, 360134, 360135, 360136, 427128, 427131, 428694, 428900, G11B 572

Patent

active

045392668

ABSTRACT:
A magnetic recording medium such as magnetic tape or magnetic disc is disclosed in which a magnetic layer if formed on the non-magnetic base material and in which the fatty acid ester with diglycerol is contained as the lubricant.
The fatty acid ester with diglycerol employed as the lubricant is an ester of diglycerol with a saturated or unsaturated fatty acid with 8 to 22 carbon atoms.

REFERENCES:
patent: 4049871 (1977-09-01), Ogawa
patent: 4201809 (1980-05-01), Ogawa
patent: 4465608 (1984-08-01), Gerum
patent: 4497864 (1985-02-01), Ryoke

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