Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1991-10-07

1993-06-15

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of inorganic material

428323, 428329, 428330, 428332, 428900, G11B 566, B32B 516

Patent

active

052196704

ABSTRACT:
A magnetic recording medium is disclosed, comprising a nonmagnetic support having provided on a first side of the support a magnetic layer containing a ferromagnetic powder and a binder, the ferromagnetic powder is a ferromagnetic metal powder having a water-soluble calcium content of 100 ppm or less, and the ratio of widthwise stiffness (TD) to lengthwise stiffness (MD) of the magnetic recording medium is in the range of from 0.65 to 1.00. In a preferred embodiment, the magnetic layer contains a saturated aliphatic acid having 14 to 24 carbon atoms, the magnetic layer has a dry thickness of from 0.5 to 3.5 .mu.m, the nonmagnetic support has a thickness of from 8 to 11 .mu.m, and the magnetic recording medium further comprises a backing layer having a dry thickness of from 0.1 to 1.0 .mu.m.

REFERENCES:
patent: 4146671 (1979-03-01), Fujiyama et al.
patent: 4411958 (1983-10-01), Sato et al.
patent: 4780353 (1988-10-01), Takahashi et al.
patent: 4780366 (1988-10-01), Nishimatsu et al.
patent: 4804736 (1989-02-01), Utsumi
patent: 4833019 (1989-05-01), Suwarnasarn

Affiliated with

Also associated with

Rating

Magnetic recording medium does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Magnetic recording medium, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic recording medium will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1041450