Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

2005-02-15

2005-02-15

Resan, Stevan A. (Department: 1773)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

C428S324000, C428S328000, C428S329000, C428S331000, C428S690000, C428S690000, C428S690000, C428S403000

Reexamination Certificate

active

06855412

ABSTRACT:
Provided is a particulate magnetic recording medium for high-density recording having a low error rate and good running durability. The magnetic recording medium comprises a nonmagnetic layer comprising a nonmagnetic powder and a binder and a magnetic layer comprising a ferromagnetic powder and a binder in this order on at least one surface of a nonmagnetic support. Said nonmagnetic support comprises a clay mineral coated with an organic material, and said ferromagnetic powder is a ferromagnetic hexagonal ferrite powder having an average plate diameter ranging from 5 to 40 nm or a ferromagnetic metal powder having an average major axis length ranging from 20 to 100 nm.

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patent: 2000-336186 (2000-05-01), None

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