Magneto-optical recording-reproducing system in which a magnetic

Details Magneto-optical recording-reproducing system in which a magnetic Magneto-optical recording-reproducing system in which a magnetic

1994-12-16

1996-09-03

Neyzari, Ali

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

369288, 3692752, 360114, 360103, G11B 1114, G11B 1304

Patent

active

055530370

ABSTRACT:
In a magnetic field modulation type overwrite magneto-optical recording-reproducing system for effecting the recording of information on a magneto-optical recording medium with the bottom surface of a magnetic head floated and moved relative to a protective film formed on the surface of the magneto-optical recording medium, the surface roughness .alpha. of the bottom surface of the magnetic head represented by the center line average peak height (R.sub.pm) and the surface roughness .beta. of the protective film of the magneto-optical recording medium satisfy the relational expression that 0.15 .mu.m.ltoreq.(.alpha.+.beta.).ltoreq.1.0 .mu.m.

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