Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1992-04-14

1994-08-09

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

4284259, 4284752, 428480, 428483, 428692, 428694B, 428694BS, 428694BG, 428694BR, 428694SL, 428900, B32B 516, G11B 566

Patent

active

053365615

ABSTRACT:
A magnetic recording medium comprising a non-magnetic support having thereon an undercoating layer and a magnetic layer, wherein the undercoating layer is provided between the non-magnetic support and magnetic layer, and a binder used for the undercoating layer comprises a resin having an elution amount of 0.05 to 0.4 mg/cm.sup.2 when placed in a mixed solvent of methyl ethyl ketone and cyclohexanone having a weight ratio of 1:1 at 25.degree. C. for 30 seconds.

REFERENCES:
patent: 4504542 (1985-03-01), Miyoshi et al.
patent: 4619856 (1986-10-01), Kamada et al.
patent: 4664964 (1987-05-01), Okita et al.
patent: 4664965 (1987-05-01), Okita et al.
patent: 4775593 (1988-10-01), Heberger et al.

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