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Uchino et al., 1993 - Google Patents

High-density pulse width modulation recording and rewritable capability in GeSbTe phase-change system using visible laser beam at low linear velocity

Uchino et al., 1993

Document ID
6224664753113251688
Author
Uchino K
Takada K
Ohno T
Yoshida H
KObayashi Y
Publication year
Publication venue
Japanese journal of applied physics

External Links

Snippet

Write and erase characteristics at low linear velocity in GeSbTe phase-change optical disks have been studied using 488 nm and 680 nm visible lasers. Good characteristics, which are carrier-to-noise ratio (CNR) of more than 50 dB and erasability of more than 25 dB, were …
Continue reading at iopscience.iop.org (other versions)

Classifications

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    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
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    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
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    • G11B11/105Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermo-magnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
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