Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1985-11-12

1986-12-09

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of inorganic material

360134, 360135, 360136, 427128, 427131, 427132, 428695, 428900, 428522, G11B 572

Patent

active

046280090

ABSTRACT:
A magnetic recording medium which comprises a plastic base film, a thin magnetic metal layer formed on one side of the base film and a thermoset backing layer formed on the other side of the base film, wherein the backing layer is made of a thermosetting composition comprising a vinyl chloride-vinyl acetate-vinyl alcohol copolymer, a polyurethane prepolymer and a polyisocyanate and has a surface roughness of from 0.05 to 0.6 .mu.m.

REFERENCES:
patent: 4328935 (1982-05-01), Steel
patent: 4429010 (1984-01-01), Shibata
patent: 4443514 (1984-04-01), Yamamoto
patent: 4452863 (1984-06-01), Takizawa
patent: 4547419 (1985-10-01), Nishimatsu
patent: 4567083 (1986-01-01), Arioku

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