Magnetic recording apparatus with magnetic recording medium havi

Details Magnetic recording apparatus with magnetic recording medium havi Magnetic recording apparatus with magnetic recording medium havi

1997-07-14

1999-11-09

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Checking record characteristics or modifying recording...

360131, 428 653, G11B 502

Patent

active

059825677

ABSTRACT:
A longitudinally oriented magnetic recording medium is described which has advantageous properties for digital recording, ie. a very small pulse width and high output level, and wherein the quotient l.sub.r /(d.multidot.L) (l.sub.r =residual polarization in mT, d=layer thickness in .mu.m, L=mean particle length in nm) is greater than 18 and the pulse width stated as PW.sub.50 is smaller than 500 nm.

REFERENCES:
patent: 3621148 (1971-11-01), Johnson
patent: 5487954 (1996-01-01), Chin et al.
patent: 5494732 (1996-02-01), Ito et al.
patent: 5496607 (1996-03-01), Inaba et al.
patent: 5503911 (1996-04-01), Aoki et al.
patent: 5512363 (1996-04-01), Goto et al.
patent: 5525404 (1996-06-01), Hatanaka et al.

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