Flexible magnetic recording tape having low-friction backside co

Details Flexible magnetic recording tape having low-friction backside co Flexible magnetic recording tape having low-friction backside co

1980-06-12

1982-05-11

Silverman, Stanley S.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

360134, 427131, 428329, 428694, 428900, G11B 570

Patent

active

043289355

ABSTRACT:
Magnetic recording tape having a nonmagnetizable backside coating including smooth equant particles having a Mohs hardness of at least 7. When the tape is used in a belt-driven cartridge, the presence of the equant particles in the backside coating provides improved uniformity of tape speed.

REFERENCES:
patent: 3975568 (1976-08-01), Rudness
patent: 4015042 (1977-03-01), Chassaigne
patent: 4117190 (1978-09-01), Akashi et al.
patent: 4135031 (1979-01-01), Akashi et al.
patent: 4189514 (1980-02-01), Johnson

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