Replaced
Applies to apparatus designed for therapeutic use and consisting of a generator of high-frequency electric energy and a transducer, usually a disk of piezoelectric material, for converting this to ultrasound. Provides suitable methods for calibrating the intensity and distribution of the ultrasonic beam produced by this apparatus. Relates only, for the time being, to ultrasonic therapeutic equipment employing plane circular transducers.
WITHDRAWN
IEC 60150:1963 ED1
99.60
Withdrawal effective
23 gush 1996
WITHDRAWN
IEC 61689:1996 ED1