Ultrasonic transducer array shading

Details Ultrasonic transducer array shading Ultrasonic transducer array shading

1982-02-16

1984-01-10

Miller, J. D.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310334, 310367, H01L 4122

Patent

active

044255250

ABSTRACT:
A linear array for rectilinear and sector scan imaging has identical approximately diamond-shaped transducer elements fabricated by making two pairs of straight line cuts at small angles through a piezoelectric slab. The Y-axis radiation pattern (parallel to element length and perpendicular to the array length) has lower side lobe levels than equal sized rectangular elements. No changes in the imager electronics among channels is required, and the shading function may be modified by changing only the transducer.

REFERENCES:
patent: 4167686 (1979-09-01), Fukuyo
patent: 4211948 (1980-07-01), Smith et al.
patent: 4245173 (1981-01-01), Zumsteg et al.
patent: 4305014 (1981-12-01), Borburgh et al.

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