Details

Introduced: January 1990

Last revised: January 2006

Full Title

Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object > Details

Classification Context

Section:: PHYSICS
Class:: MEASURING; TESTING
Subclass:: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

5 direct subcodes

Child Classifications

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G01N 29/24 Probes
G01N 29/26 Arrangements for orientation or scanning
G01N 29/28 providing acoustic coupling
G01N 29/3 Arrangements for calibrating or comparing, e.g. with standard objects
G01N 29/32 Arrangements for suppressing undesired influences, e.g. temperature or pressure variations