Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1984-09-20

1986-06-03

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

360134, 360135, 360136, 427128, 427131, 427132, 428141, 428323, 428328, 428329, 428408, 428694, 428695, 428900, G11B 572

Patent

active

045929424

ABSTRACT:
A magnetic recording medium comprising a non-magnetic substrate, a magnetic recording layer formed on one side of the substrate and a back coating layer on the other side of the substrate, characterized in that the back coating layer is a coating composed essentially of carbon black, a resin binder and a lubricant, the weight ratio of the carbon black to the binder being from 1:1 to 1:4, and the carbon black having a particle size of from 10 to less than 100 m.mu.m.

REFERENCES:
patent: 3993824 (1976-11-01), Shirahata
patent: 4267206 (1981-05-01), Johnson
patent: 4275113 (1981-06-01), Saito
patent: 4328935 (1982-05-01), Steel
patent: 4367261 (1983-01-01), Miyoshi
patent: 4439486 (1984-03-01), Yamada
patent: 4443514 (1984-04-01), Yamamoto
patent: 4452863 (1984-06-01), Takizawa
patent: 4455345 (1984-06-01), Miyatuka
patent: 4547419 (1985-10-01), Nishimatsu

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-1232403