Patent ID: 6153967
Filing Date: 2000-11-28
Classification: B06B,H01L

Abstract:
An ultrasonic probe comprising:strip-formed oscillators formed of a piezoelectric crystal material and arranged in an array form;electrodes including a metal layer provided for said oscillators and satisfying the condition that a Vickers hardness V.sub.HN thereof lies in the range of 30.ltoreq.V.sub.HN .ltoreq.110 and a thickness T (.mu.m) thereof lies in the range of 0.3.ltoreq.T.ltoreq.5.0, and further a product of the Vickers hardness and the thickness V.sub.HN .times.T lies in the range of 15.ltoreq.V.sub.HN .times.T.ltoreq.400; and a backing material fixed to said oscillators through said electrodes.