| 发明名称 |
ULTRASONIC TRANSDUCER, ULTRASONIC PROBE AND ULTRASONIC IMAGING DEVICE |
| 摘要 |
An ultrasonic transducer (100) includes a substrate (1) having a first electrode therein or on a surface thereof and a diaphragm (5) having a second electrode therein or on a surface thereof, with a cavity (4) therebetween. Further, at least one beam (7) is provided on a surface or inside of the diaphragm (5) or the second electrode. |
| 申请公布号 |
EP1950997(A1) |
申请公布日期 |
2008.07.30 |
| 申请号 |
EP20060782183 |
申请日期 |
2006.08.02 |
| 申请人 |
HITACHI, LTD.;HITACHI MEDICAL CORPORATION |
发明人 |
TANAKA, HIROKI;AZUMA, TAKASHI;FUKUDA, HIROSHI |
| 分类号 |
H04R1/40;A61B8/00;B06B1/02;G01N29/24;H04R7/08;H04R19/00 |
主分类号 |
H04R1/40 |
| 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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