MAGNETO-OPTICAL RECORDING WITH OPTICAL AND MAGNETIC FIELD MODULATION METHODS
- 1 January 1991
- journal article
- Published by The Magnetics Society of Japan in Journal of the Magnetics Society of Japan
- Vol. 15 (S_1_MORIS_) , S1_327-330
- https://doi.org/10.3379/jmsjmag.15.s1_327
Abstract
The magneto-optical recording characteristics of three types of DyFeCo films were measured using three recording methods ; the optical modulation method, the magnetic field modulation method and the laser off method in which the laser power was lowered only while the magnetic field was changing. The laser off method improved the C/N in the low external magnetic field. Moreover, the erasability in the laser off method was investigated, and the value of -30dB was achieved.Keywords
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