EDGE-BONDED SURFACE ACOUSTIC WAVE TRANSDUCER ARRAY.

被引：0
|
作者：
Tuan, H.C.
Selfridge, A.R.
Bowers, J.
Khuri-Yakub, B.T.
Kino, G.S.
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来源：
Ultrasonics Symposium Proceedings | 1979年
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摘要：
A new type of transducer array has been designed and built for imaging surface defect in metals such as aluminum. The array is formed by edge-bonding a piece of piezoelectric material to a substrate of the same material as the sample to be tested. The individual elements in the array are formed by photolithography, and each element acts as an edge-bonded surface wave transducer. The array has 32 elements resonant at a center frequency of 3. 1 MHz with a round trip 6 dB and a plus 35 degree , 3dB acceptance angle at its center frequency. A theory has been developed which predicts the angular response of the array accurately.
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页码：221 / 225
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