Capacitive electrostatic transducer (ESAT) measures absolute displacement amplitudes of ultrasonic waves in liquids, and may be used as calibrator for other transducers or as probe for nondestructive study and characterization of materials. ESAT consists of thin conductive membrane stretched over metallic housing. Ultrasonic waves incident on membrane cause it to vibrate and generate signal proportional to wave amplitude. Entire assembly is sealed for immersion in liquid.
Broadband electrostatic acoustic transducer for liquids
NASA Tech Briefs ; 5 , 1
1980-08-01
Miscellaneous
No indication
English
ELECTROSTATIC TRANSDUCER AND ELECTROSTATIC TRANSDUCER UNIT
European Patent Office | 2021
|Electrostatic transducer and electrostatic transducer unit
European Patent Office | 2024
|ELECTROSTATIC TRANSDUCER AND ELECTROSTATIC TRANSDUCER UNIT
European Patent Office | 2024
|Broadband acoustic transducer for multipurpose underwater applications
British Library Conference Proceedings | 1993
|Broadband electrostatic noise due to nonlinear electron-acoustic waves
Online Contents | 2001
|