Method for the manufacture of ultrasonic transducers

Details Method for the manufacture of ultrasonic transducers Method for the manufacture of ultrasonic transducers

1979-12-20

1981-09-08

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

29 2535, 310334, G01N 2900

Patent

active

042877709

ABSTRACT:
In a focusing ultrasonic transducer with a recessed active surface, it is desirable that, given values of the focal width and of the focal distance prescribable as desired, an optimum lateral resolution with the smallest possible influence of side lobes ensues. This is achieved by means of manufacture in the following steps:

REFERENCES:
patent: 3666979 (1972-05-01), McElroy
patent: 3936791 (1976-02-01), Kossoff
G. Kossoff et al., "Ultrasonic Two-Dimensional Visualization for Medical Diagnosis," J. Acous. Soc. Am., vol. 44, No. 5, pp. 1310-1318, 1968.
C. B. Burckhardt et al., "A Real-Time B-Scanner with Improved Lateral Resolution," pp. 81-87 and 89, 1975.

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