Magnetic recording medium

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...

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428328, 428329, 428337, 428339, 428341, 428342, 428411, 428412, 428422, 428474, 428480, 428523, 428457, 428539, 428900, 427 48, 427128, 427132, H01F 1000

Patent

active

042029279

ABSTRACT:
This invention relates to a magnetic recording medium comprising a support base having a surface roughness of at most 0.33 micron, a magnetic recording layer having a Young's modulus of at least 5.times.10.sup.10 dyne/cm.sup.2 and being provided on one side of the base and a cationic surface active agent layer provided on the other side of the base in a proportion of 0.2 to 500 mg/m.sup.2.

REFERENCES:
patent: 3617378 (1971-11-01), Beck
patent: 3647539 (1972-03-01), Weber

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