High frequency ultrasound arrays for medical imaging

被引：0

作者：

Ritter, TA ^{[1
]}

Shung, KK ^{[1
]}

Cannata, J ^{[1
]}

Shrout, TR ^{[1
]}

机构：

[1] Penn State Univ, NIH Resource Ctr Med Ultrason Transducer Technol, University Pk, PA 16802 USA

来源：

2000 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2 | 2000年

关键词：

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

30 MHz composite linear arrays with 48 elements were designed, fabricated, and tested. Bandwidths of 60%, low crosstalk and insertion loss, and electrical impedance matching to 50 ohms were achieved. Images of a phantom and a human eye were acquired, with the phantom image demonstrating lateral and axial resolutions of 100 microns. A simpler, non-composite array incorporating lead-titanate elements was also fabricated. Test results demonstrated that the more complicated composite design is superior, a result attributed primarily to the low permittivity of the lead-titanate elements.

引用

页码：1261 / 1264

页数：4

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