PHASE MEASURING METHOD AND APPARATUS FOR MULTI-FREQUENCY INTERFEROMETRY

Details for Australian Patent Application No. 2003259384 (hide)

Owner HERIOT-WATT UNIVERSITY

Inventors TOWERS, David, Peter; TOWERS, Catherine, Elizabeth; JONES, Julian, David, Clayton

Pub. Number AU-A-2003259384

PCT Number PCT/GB03/03744

PCT Pub. Number WO2004/020937

Priority 0220228.1 02.09.02 US

Filing date 29 August 2003

Wipo publication date 19 March 2004

International Classifications

G01B 009/02 Instruments as specified in the subgroups and characterised by the use of optical measuring means - Interferometers

G01B 011/24 Measuring arrangements characterised by the use of optical means - for measuring contours or curvatures

G01B 011/25 Measuring arrangements characterised by the use of optical means

Event Publications

13 November 2003 Complete Application Filed

  Priority application(s): 0220228.1 02.09.02 US

6 May 2004 Application Open to Public Inspection

  Published as AU-A-2003259384

26 May 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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