Technique applies water-soluble ultrasonic couplant to transducer to facilitate acoustical nondestructive test for sealed and semisealed devices.
Particle Impact Noise Detection (PIND) test
NASA Tech Briefs ; 2 , 1
1977-06-01
Miscellaneous
No indication
English
Particle-impact noise detector (PIND)
NTRS | 1978
|NTRS
|Shock during PIND test frees particles
NTRS | 1979
|NTRS
|NTIS | 2022
|