Acoustic thickness measurements using gas as a coupling medium

Details for Australian Patent Application No. 2008297648 (hide)

Owner Det Norske Veritas AS

Inventors Halas Skar, Tore Magne; Olsen, Age A.; Lag, Steinar; Bergh, Ashild; Negard, Nils Otto; Jacobsen, Jostein; Norli, Petter

Agent Cullens

Pub. Number AU-A-2008297648

PCT Pub. Number WO2009/035335

Priority 20074643 12.09.07 NO; 60/971,655 12.09.07 US

Filing date 9 September 2008

Wipo publication date 19 March 2009

International Classifications

G01B 17/02 (2006.01) Measuring arrangements characterised by the use of infrasonic, sonic, or ultrasonic vibrations - for measuring thickness

G01B 17/08 (2006.01) Measuring arrangements characterised by the use of infrasonic, sonic, or ultrasonic vibrations - for measuring roughness or irregularity of surfaces

G01N 29/12 (2006.01) Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves - by measuring frequency or resonance of acoustic waves

G01N 29/46 (2006.01) Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves

Event Publications

6 May 2010 PCT application entered the National Phase

  PCT publication WO2009/035335 Priority application(s): WO2009/035335

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