ACOUSTIC THICKNESS MEASUREMENTS USING GAS AS A COUPLING MEDIUM

An acoustic apparatus adapted to operate in a gas filled space (300) from a first side of an object to be measured for making a non-contact thickness measurement thereof includes an electro acoustic transducer (500), a transceiver coupled with the electro acoustic transducer and adapted to excite el...

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Bibliographische Detailangaben
Hauptverfasser: HALÅS SKAR, TORE MAGNE, OLSEN, ÅGE A, JACOBSEN, JOSTEIN, NORLI, PETTER, LÅG, STEINAR, NEGÅRD, NILS OTTO, BERGH, ASHILD
Format: Patent
Sprache:eng
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