发明名称 |
ULTRASONIC TRANSDUCER, MANUFACTURING METHOD OF ULTRASONIC TRANSDUCER, AND ULTRASONIC ENDOSCOPE |
摘要 |
An ultrasonic transducer according to the present invention includes: two or more ultrasonic transducer cells, each of which has a lower electrode, a first insulating layer placed on the lower electrode, a cavity placed on the first insulating layer, a second insulating layer placed on the cavity, and an upper electrode placed above the second insulating layer; channels which communicate the cavities with each other; the second insulating layer placed on the channels; holes formed in the second insulating layer placed on the channels; and sealing portions which seal the holes, where that part of the sealing portions which enters the channels is the same in cross-sectional shape as the holes.
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申请公布号 |
US2008089179(A1) |
申请公布日期 |
2008.04.17 |
申请号 |
US20070870786 |
申请日期 |
2007.10.11 |
申请人 |
OLYMPUS MEDICAL SYSTEMS CORP. |
发明人 |
MATSUMOTO KAZUYA;OHTA RYO;HASEGAWA MAMORU;ADACHI HIDEO;WAKABAYASHI KATSUHIRO |
分类号 |
H04R31/00;A61B8/00;B06B1/06;H04R17/00 |
主分类号 |
H04R31/00 |
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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