Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1988-07-08

1991-04-16

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428336, 428408, 4284259, 428694, 428900, G11B 2300

Patent

active

050081470

ABSTRACT:
A magnetic recording medium comprising a nonmagnetic support having on one surface thereof a magnetic layer and on the opposite surface thereof a backing layer comprising nonmagnetic particles dispersed in a binder, wherein said binder of said backing layer comprises from about 20 to 90 wt % of polycarbonate polyurethane, and said backing layer comprises from about 40 to 200 parts by weight of said binder per 100 parts by weight of said nonmagnetic particles.

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patent: 4562117 (1985-12-01), Kikukawa et al.
patent: 4612244 (1986-09-01), Kaneda et al.
patent: 4629646 (1986-12-01), Ide et al.
patent: 4726992 (1988-02-01), Asai et al.
patent: 4745017 (1988-05-01), Miyoshi et al.
patent: 4761338 (1988-08-01), Asano et al.
patent: 4786557 (1988-11-01), Kakuishi et al.
patent: 4812358 (1989-03-01), Miyake et al.

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