name of the term:

Coupling medium


A coupling medium is used to investigate the samples with the acoustic microscope.

Since air has an attenuating effect on ultrasound, PVA uses de-ionized water as a coupling medium. Liquids of any type are low-attenuation for ultrasound. It can thereby be ensured that the highest possible frequency of sound can penetrate the object to be investigated and thus produce the best possible results.

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PVA TePla Analytical Systems GmbH
Deutschordenstrasse 38
73463 Westhausen, Germany

Phone: +49 7363 9544 0
Fax: +49 7363 9544 113

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