Magnetic recording medium
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United States of America Patent
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-
Jun 16, 1987
Issued Date -
N/A
app pub date -
Feb 7, 1984
filing date -
Jun 19, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a magnetic recording medium having a coating for magnetic recording formed on one side of the base and a back coating on the opposite side, the back coating consists of a nonmagnetic powder dispersed in a binder which is a combination of nitrocellulose, vinyl chloride-vinyl acetate copolymer, polyurethane, and an isocyanate compound.
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