Method for fabricating ferroelectric ultrasonic transducers

Details Method for fabricating ferroelectric ultrasonic transducers Method for fabricating ferroelectric ultrasonic transducers

1976-12-20

1977-12-13

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29 2535, 219121EM, H04R 3100

Patent

active

040621057

ABSTRACT:
A method for fabricating ferroelectric ultrasonic transducers by directing beam of electrons at a disk of ferroelectric material to produce a thin plate throughout which the Curie temperature is exceeded, and by applying a high DC Voltage across the faces of the disk while the Curie temperature is exceeded to polarize the thin plate.

REFERENCES:
patent: 3858307 (1975-01-01), Yoshimura
patent: 3945099 (1976-03-01), Kansy

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