Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1987-10-20

1989-08-15

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

427131, 428336, 428694, 428900, G11B 570

Patent

active

048573884

ABSTRACT:
A magnetic recording medium comprises a nonmagnetic support and a magnetic recording layer provided on the support which comprises two layers including a first magnetic recording layer and a second magnetic recording layer. Each of the two magnetic recording layers contains a ferromagnetic powder having a coercive force of not less than 500 Oe dispersed therein. The first magnetic recording layer is provided on the support has a Young's modulus of 500 to 1,000 kg/mm.sup.2 ; and the second magnetic recording layer provided on the first magnetic recording layer has a Young's modulus of not less than 1,300 kg/mm.sup.2 ; and the magnetic recording layers as a whole show a Young's modulus of not less than 900 kg/mm.sup.2.

REFERENCES:
patent: 4187341 (1980-02-01), Suzuki et al.
patent: 4246316 (1981-01-01), Aonuma et al.
patent: 4316927 (1982-02-01), Kimura et al.
patent: 4318957 (1982-03-01), Videc
patent: 4410590 (1983-10-01), Kawahara et al.
patent: 4624883 (1986-11-01), Yamaguchi et al.

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-120764