Method for Fabricating Ferroelectric Ultrasonic Transducers.
DEPARTMENT OF THE NAVY WASHINGTON D C
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A method for fabricating ferroelectric ultrasonic transducers by directing a 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. Author