FRICTION PROPERTY MEASURING METHOD FOR NON-CONTACT TYPE RECORDING MEDIUMS, AND FRICTION PROPERTY MEASURING DEVICE FOR NON-CONTACT TYPE RECORDING MEDIUMS

Details for Australian Patent Application No. 2003244063 (hide)

Owner TDK CORPORATION

Inventors TANAKA, Kazushi; HAYASHIDA, Naoki

Pub. Number AU-A-2003244063

PCT Number PCT/JP03/08058

PCT Pub. Number WO2004/003518

Priority 2002-192318 01.07.02 JP

Filing date 25 June 2003

Wipo publication date 19 January 2004

International Classifications

G01N 003/56 Investigating strength properties of solid materials by application of mechanical stress - Investigating resistance to wear or abrasion

G01N 019/02 Investigating materials by mechanical methods - Measuring coefficient of friction between materials

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 007/26 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Apparatus or processes specially adapted for the manufacture of record carriers

Event Publications

18 September 2003 Complete Application Filed

  Priority application(s): 2002-192318 01.07.02 JP

4 March 2004 Application Open to Public Inspection

  Published as AU-A-2003244063

17 March 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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