COMPOSITE OPTICAL SENSOR UNIT AND OPTICAL DISK INSPECTION DEVICE USING IT

Details for Australian Patent Application No. 2002320685 (hide)

Owner HAMAMATSU METRIX CO., LTD.

Inventors ICHIFUJI, Katsumi

Pub. Number AU-A-2002320685

PCT Number PCT/JP02/07495

PCT Pub. Number WO2003/010488

Priority 2001-228579 27.07.01 JP

Filing date 24 July 2002

Wipo publication date 17 February 2003

International Classifications

G01B 011/26 Measuring arrangements characterised by the use of optical means - for measuring angles or tapers

G01N 021/95 Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

G01B 011/30 Measuring arrangements characterised by the use of optical means - for measuring roughness or irregularity of surfaces

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

G01B 011/00 Measuring arrangements characterised by the use of optical means

Event Publications

16 January 2003 Complete Application Filed

  Priority application(s): 2001-228579 27.07.01 JP

29 May 2003 Application Open to Public Inspection

  Published as AU-A-2002320685

6 May 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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