发明名称 |
Enhanced bandwidth composite transducer for imaging applications and method of manufacturing therefor |
摘要 |
An ultrasonic transducer particularly useful in medical imaging includes a transducer comprising a transducer body having a major front surface for radiating ultrasonic energy to a propagation medium responsive to mechanical vibration of the transducer. The transducer includes a piezoelectric member having a curved shape including a curved front surface. The curved shape is produced by deforming a planar piezoelectric composite member to produce the desired curvature and returning the curvature using suction forces. A graded frequency region is created by grinding the curved front surface of the piezoelectric element along a grinding plane. This region is defined by the area of intersection of the grinding plane and the front surface of the curved piezoelectric member and different implementations, covers all or less than all of the total front surface.
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申请公布号 |
US2002135273(A1) |
申请公布日期 |
2002.09.26 |
申请号 |
US20010810947 |
申请日期 |
2001.03.20 |
申请人 |
MAUCHAMP PASCAL;AUCLAIR PHILIPPE;FLESCH AIME |
发明人 |
MAUCHAMP PASCAL;AUCLAIR PHILIPPE;FLESCH AIME |
分类号 |
B06B1/06;H02N2/08;(IPC1-7):H01L41/04 |
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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