JPH0552120B2 - - Google Patents
Info
- Publication number
- JPH0552120B2 JPH0552120B2 JP62228291A JP22829187A JPH0552120B2 JP H0552120 B2 JPH0552120 B2 JP H0552120B2 JP 62228291 A JP62228291 A JP 62228291A JP 22829187 A JP22829187 A JP 22829187A JP H0552120 B2 JPH0552120 B2 JP H0552120B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- hole
- ultrasonic transducer
- semiconductor substrate
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22829187A JPS6472700A (en) | 1987-09-14 | 1987-09-14 | Ultrasonic transducer and its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22829187A JPS6472700A (en) | 1987-09-14 | 1987-09-14 | Ultrasonic transducer and its manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6472700A JPS6472700A (en) | 1989-03-17 |
JPH0552120B2 true JPH0552120B2 (en]) | 1993-08-04 |
Family
ID=16874166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22829187A Granted JPS6472700A (en) | 1987-09-14 | 1987-09-14 | Ultrasonic transducer and its manufacture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6472700A (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4690813A (en) * | 1984-09-14 | 1987-09-01 | Alps Electric Co., Ltd. | Molybdenum oxide whiskers and a method of producing the same |
RU2468840C2 (ru) * | 2006-10-23 | 2012-12-10 | Конинклейке Филипс Электроникс, Н.В. | Симметричные и предпочтительно отклоняемые случайные решетки для ультразвуковой терапии |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61220600A (ja) * | 1985-03-26 | 1986-09-30 | Nec Corp | 超音波センサ |
JPS62149299A (ja) * | 1985-12-24 | 1987-07-03 | Agency Of Ind Science & Technol | アレイ型超音波トランスデユ−サ |
-
1987
- 1987-09-14 JP JP22829187A patent/JPS6472700A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6472700A (en) | 1989-03-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |