CPC Subgroup
G01N 29/04 Analysing solids (using acoustic emission techniques G01N29/14)
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 (G01N3/00 - G01N27/00 take precedence) > Analysing solids (using acoustic emission techniques G01N29/14)
9 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- G01N 29/06 Visualisation of the interior, e.g. acoustic microscopy
- G01N 29/07 by measuring propagation velocity or propagation time of acoustic waves
- G01N 29/09 by measuring mechanical or acoustic impedance
- G01N 29/11 by measuring attenuation of acoustic waves
- G01N 29/12 by measuring frequency or resonance of acoustic waves