Magnetic recording material

Details Magnetic recording material Magnetic recording material

1974-06-28

1976-06-29

Cannon, J.C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

360134, 427129, 427172, 427173, 427304, 427315, 427316, 427322, 428212, 428329, 428333, 428334, 428339, 428458, 428474, 428480, 428523, 428900, G11B 570, G11B 578, G11B 584

Patent

active

039670252

ABSTRACT:
A magnetic recording material formed from a base film of a crystalline polymer and having a magnetic layer coated on one surface of the base film which is sufficiently smooth to prevent the occurrence of dropout and the other surface of the film being finely rugged to thereby impart good running property to the magnetic recording material.

REFERENCES:
patent: 2336384 (1943-12-01), Baker et al.
patent: 2448316 (1948-08-01), Lesavoy
patent: 3293066 (1966-12-01), Haines
patent: 3397072 (1968-08-01), Alles
patent: 3400041 (1968-09-01), Rasmussen
patent: 3734772 (1973-05-01), Schnell et al.

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