Ultrasound probe for medical imaging system

Details Ultrasound probe for medical imaging system Ultrasound probe for medical imaging system

1989-05-02

1991-02-12

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Acoustic image conversion

12866203, G03B 4206

Patent

active

049929895

ABSTRACT:
An ultrasound probe for a medical imaging system, comprising an ultrasound absorber and a piezoelectric vibrator mounted on the ultrasound absorber, cut in the direction from the surface of the piezoelectric vibrator to the ultrasound absorber into an array by a plurality of cutting grooves. The cutting depth d of each cutting groove in the ultrasound absorber is determined as an integer multiple of a quarter of a wave length .lambda. corresponding to a center frequency f.sub.0 of ultrasound waves radiated from the piezoelectric vibrator. Consequently, symmetrical electro-acoustic conversion characteristics of the ultrasound probe can be obtained in the frequency domain.

REFERENCES:
patent: 4462092 (1984-07-01), Kawabuchi et al.
patent: 4643028 (1987-02-01), Kondo et al.

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