Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

2007-03-06

2007-03-06

Bernatz, Kevin M. (Department: 1773)

Stock material or miscellaneous articles

Magnetic recording component or stock

Binder media

C428S844000, C428S845300

Reexamination Certificate

active

10852129

ABSTRACT:
A magnetic recording medium comprising a support and a magnetic layer containing an abrasive, a binder and ferromagnetic powder dispersed in the binder, wherein the magnetic layer has a thickness of from 20 to 500 nm, the abrasive has a Mohs' hardness of 5 or more and a relative abrasive velocity of less than 200, and value A of a relational expression A=K/Z of an average particle size K of the abrasive and the thickness Z of the magnetic layer is from 0.1 to 3.0.

REFERENCES:
patent: 5792548 (1998-08-01), Kuwajima et al.
patent: 5958565 (1999-09-01), Hattori et al.
patent: 6312796 (2001-11-01), Zinbo
patent: 2001-101647 (2001-04-01), None
Machine Translation of JP 2001-101647 A.

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