Journal of the Magnetics Society of Japan
Online ISSN : 1880-4004
Print ISSN : 0285-0192
ISSN-L : 0285-0192
Microwave, Magneto-Optics, and Magneto-Optical Recording
A New MAMMOS Disk Using DC Laser Power and a DC Magnetic Field
H. Takao, K. Shimazaki, N. Ohta
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Keywords: magnetic expansion readout, in-plane magnetization, compensation temperature, dc readout power, dc magnetic field, double mask
JOURNAL OPEN ACCESS

1999 Volume 23 Issue 4_2 Pages 1085-1088

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Abstract
A new scheme called MAMMOS for magnetic expansion readout MO is introduced with the aim of achieving high-density recording. A magnetic expansion phenomenon was observed in a magneto-static coupled-type medium with an in-plane magnetization readout layer using dc laser power and a dc magnetic field in the readout process. By taking advantage of this unique expansion phenomenon, it is possible to resolve 0.22 μm domains and to obtain a clear signal in new MAMMOS media.
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© 1999 by The Magnetics Society of Japan
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