Magnetic recording medium having a silicon oxide protective laye

Details Magnetic recording medium having a silicon oxide protective laye Magnetic recording medium having a silicon oxide protective laye

1990-02-09

1992-07-21

Cashion, Jr., Merrell C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428694, 428695, 428900, 428409, 428432, 428433, 428 64, 2041922, 20419223, G11B 500

Patent

active

051321734

ABSTRACT:
A magnetic recording medium comprises a substrate and provided on at least one side thereof a magnetic recording layer and a protective layer of thin film mainly composed of an oxide of silicon, in this order. Said protective layer has an electrical specific resistance of not less than 10.sup.12 .OMEGA.. cm.

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patent: 4833031 (1989-05-01), Kurokawa et al.
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