JPS6417483U - - Google Patents
Info
- Publication number
- JPS6417483U JPS6417483U JP11180287U JP11180287U JPS6417483U JP S6417483 U JPS6417483 U JP S6417483U JP 11180287 U JP11180287 U JP 11180287U JP 11180287 U JP11180287 U JP 11180287U JP S6417483 U JPS6417483 U JP S6417483U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- vibrator
- vibration device
- molded
- resin
- 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.)
- Pending
Links
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図Ａ，Ｂはこの考案の実施例である超音波
振動装置の構造を表す図であり、Ａはその上面図
、Ｂはその縦断面図である。第２図は従来の超音
波振動装置の構造を表す断面図である。
１―ケース、２，３―圧電振動子（振動子）、
８―モールド樹脂（低音響インピーダンス）、９
―モールド樹脂（高音響インピーダンス）。
FIGS. 1A and 1B are diagrams showing the structure of an ultrasonic vibration device that is an embodiment of this invention, with A being a top view thereof and B being a longitudinal sectional view thereof. FIG. 2 is a sectional view showing the structure of a conventional ultrasonic vibration device. 1-case, 2, 3-piezoelectric vibrator (vibrator),
8-Mold resin (low acoustic impedance), 9
-Mold resin (high acoustic impedance).
Claims (1)
を収納するとともに、振動子の周囲を樹脂モール
ドした超音波振動装置において、 モールド樹脂の超音波放射面以外の領域を超音
波放射面の領域より音響インピーダンスの低い材
料で構成したことを特徴とする超音波振動装置。[Scope of Claim for Utility Model Registration] In an ultrasonic vibrating device in which a vibrator is housed in a case having an opening for ultrasonic emission and the circumference of the vibrator is molded with resin, an area other than the ultrasonic emission surface of the molded resin An ultrasonic vibration device characterized in that the ultrasonic vibration device is made of a material having a lower acoustic impedance than the ultrasonic radiation surface area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11180287U JPS6417483U (en) | 1987-07-21 | 1987-07-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11180287U JPS6417483U (en) | 1987-07-21 | 1987-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6417483U true JPS6417483U (en) | 1989-01-27 |
Family
ID=31350173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11180287U Pending JPS6417483U (en) | 1987-07-21 | 1987-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6417483U (en) |
-
1987
- 1987-07-21 JP JP11180287U patent/JPS6417483U/ja active Pending
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