Magnetic Domain Expansion Readout For An Ultra High Density MO Recording
1997
An advanced readout technique using a dynamic domain expansion phenomenon has been proposed and investigated. Very small domains of 0.08 /spl mu/m which achieve an areal density of 20 Gb/in/sup 2/ (CD single side 30 GB with 680 nm laser) expand during readout, causing the readout signal to increase to the same level as for a 0.6 /spl mu/m domain.
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