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Electronically focused acoustic imaging device

 

作者: J. F. Havlice,   G. S. Kino,   C. F. Quate,  

 

期刊: Applied Physics Letters  （AIP Available online 1973）
卷期: Volume 23, issue 11  

页码: 581-583

 

ISSN:0003-6951

 

年代: 1973

 

DOI:10.1063/1.1654755

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A new type of acoustic imaging device, which scans a large array of piezoelectric detectors is described. Scanning is carried out by a signal traveling along an acoustic surface wave delay line. The device can be electronically focused, and has given images of objects 20 cm from the detector array, illuminated with a 5‐MHz acoustic wave, with a definition of 1 mm.

 

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