Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Patent
1999-05-17
2000-12-26
Resan, Stevan A.
Stock material or miscellaneous articles
Circular sheet or circular blank
Recording medium or carrier
428694BP, 428694BS, 428900, 360133, G11B 582
Patent
active
061655813
ABSTRACT:
In a magnetic recording medium such as a floppy disk, a fatty acid ester compound having at least one side chain group with a molecular weight of 70 or more is added as a lubricant to a non-magnetic under layer or a magnetic recording layer in order to prevent migration of a lubricant to a liner.
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Resan Stevan A.
Sony Corporation
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