发明名称 |
Ultrasonic transducer with adjustable elevational aperture and methods for using same |
摘要 |
An ultrasound transducer includes transducer segments having a non-uniform thickness layer of relaxor ferroelectric material and coupled to a source of biasing voltage thereto. The elevational aperture is controlled by varying biasing voltage applied to the layer of relaxor ferroelectric material.
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申请公布号 |
US5657295(A) |
申请公布日期 |
1997.08.12 |
申请号 |
US19950564424 |
申请日期 |
1995.11.29 |
申请人 |
ACUSON CORPORATION |
发明人 |
HOWARD, SAMUEL M. |
分类号 |
B06B1/06;G10K11/32;(IPC1-7):H04R1/44 |
主分类号 |
B06B1/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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