Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1987-07-30

1989-05-02

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of inorganic material

427131, 428694, 428900, G11B 504, G11B 572

Patent

active

048267392

ABSTRACT:
A magnetic recording medium comprising a substrate, a magnetic layer provided thereon, a passivated film formed on the surface of said magnetic layer, and a lubricant-containing back-coat layer whose pH is adjusted to 6.3 or more on the back of said substrate.

REFERENCES:
patent: 3993824 (1976-11-01), Shirahata
patent: 4499138 (1985-02-01), Yamamoto
patent: 4670333 (1987-06-01), Miyoshi

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