MULTI-LEVEL OPTICAL RECORDING MEDIUM, MULTI-LEVEL RECORDING METHOD, AND MULTI-LEVEL REPRODUCTION METHOD

Details for Australian Patent Application No. 2002304171 (hide)

Owner TDK CORPORATION

Inventors ARIOKA, Hiroyuki; TSUKAMOTO, Syuji; HORAI, Takashi

Pub. Number AU-A-2002304171

PCT Number PCT/JP02/05519

PCT Pub. Number WO2002/099792

Priority 2001-169915 05.06.01 JP

Filing date 4 June 2002

Wipo publication date 16 December 2002

International Classifications

G11B 007/0045 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power

G11B 007/007 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Arrangement of the information on the record carrier, e.g. form of tracks

G11B 007/24 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Record carriers characterised by the selection of the material or by the structure or form

Event Publications

12 December 2002 Complete Application Filed

  Priority application(s): 2001-169915 05.06.01 JP

8 May 2003 Application Open to Public Inspection

  Published as AU-A-2002304171

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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