METHOD FOR DETERMINING CHARACTERISTIC DATA OF MULTILEVEL OPTICAL RECORD MEDIUM AND MULTILEVEL OPTICAL RECORD MEDIUM

Details for Australian Patent Application No. 2002323984 (hide)

Owner TDK CORPORATION

Inventors FUKUZAWA, Narutoshi; ARIOKA, Hiroyuki; TSUKAMOTO, Syuji; HORAI, Takashi; TAKE, Hiroshi; INOUE, Motohiro

Pub. Number AU-A-2002323984

PCT Number PCT/JP02/07781

PCT Pub. Number WO2003/021582

Priority 2001-244041 10.08.01 JP; 2001-259529 29.08.01 JP; 2001-259538 29.08.01 JP

Filing date 31 July 2002

Wipo publication date 18 March 2003

International Classifications

G11B 007/005 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 007/24 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

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

Event Publications

16 January 2003 Complete Application Filed

  Priority application(s): 2001-244041 10.08.01 JP; 2001-259529 29.08.01 JP; 2001-259538 29.08.01 JP

5 June 2003 Application Open to Public Inspection

  Published as AU-A-2002323984

6 May 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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