JPH0464596B2 - - Google Patents
Info
- Publication number
- JPH0464596B2 JPH0464596B2 JP9042387A JP9042387A JPH0464596B2 JP H0464596 B2 JPH0464596 B2 JP H0464596B2 JP 9042387 A JP9042387 A JP 9042387A JP 9042387 A JP9042387 A JP 9042387A JP H0464596 B2 JPH0464596 B2 JP H0464596B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- piezoelectric element
- elastic material
- open end
- contact
- 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
Links
- 239000013013 elastic material Substances 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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 |
|---|---|---|---|
| JP9042387A JPS63255680A (ja) | 1987-04-13 | 1987-04-13 | 超音波振動子 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9042387A JPS63255680A (ja) | 1987-04-13 | 1987-04-13 | 超音波振動子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63255680A JPS63255680A (ja) | 1988-10-21 |
| JPH0464596B2 true JPH0464596B2 (US07709020-20100504-C00041.png) | 1992-10-15 |
Family
ID=13998196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9042387A Granted JPS63255680A (ja) | 1987-04-13 | 1987-04-13 | 超音波振動子 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63255680A (US07709020-20100504-C00041.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI456168B (zh) * | 2012-02-21 | 2014-10-11 | 組裝模組、超聲波感測裝置及其製造方法 | |
| DE102015216200A1 (de) * | 2015-08-25 | 2017-03-02 | Robert Bosch Gmbh | Akustischer Sensor mit einem Gehäuse und einem an diesem Gehäuse angeordneten Membranelement |
-
1987
- 1987-04-13 JP JP9042387A patent/JPS63255680A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63255680A (ja) | 1988-10-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 15 Free format text: PAYMENT UNTIL: 20071015 |