发明名称 |
HIGH-FREQUENCY ULTRASOUND IMAGING SYSTEM |
摘要 |
A high frequency ultrasound analog beamformer comprises a linear array of surface acoustic wave (SAW) devices formed on a single crystal piezoelectric substrate, such as a PMN-PT single crystal piezoelectric substrate. Each SAW device comprises ultrasound input and output electrode structures separated by a variable delay structure. The beamformer further comprises a delay controller operably connected to each variable delay structure to control the delay of each SAW device to dynamically focus signals received at each input electrode. |
申请公布号 |
US2012016243(A1) |
申请公布日期 |
2012.01.19 |
申请号 |
US201013146620 |
申请日期 |
2010.02.26 |
申请人 |
BROWN JEREMY;ADAMSON ROBERT BRUCE ALEXANDER;DALHOUSIE UNIVERSITY |
发明人 |
BROWN JEREMY;ADAMSON ROBERT BRUCE ALEXANDER |
分类号 |
A61B8/14;A61B8/12 |
主分类号 |
A61B8/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|