JPS63198299U - - Google Patents
Info
- Publication number
- JPS63198299U JPS63198299U JP8956187U JP8956187U JPS63198299U JP S63198299 U JPS63198299 U JP S63198299U JP 8956187 U JP8956187 U JP 8956187U JP 8956187 U JP8956187 U JP 8956187U JP S63198299 U JPS63198299 U JP S63198299U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- elastic material
- sound wave
- insulating elastic
- wave emission
- 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
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
Description
第１図は本考案の第１の実施例を示す縦断面図
、第２図は本考案の第２の実施例を示す縦断面図
、第３図は従来の超音波振動子の構成を示す縦断
面図である。
１……電歪素子、２……付加質量体、４……ダ
イヤフラム、５，７……筐体、６……絶縁弾性材
、８，１０……金属薄膜。
Fig. 1 is a longitudinal sectional view showing a first embodiment of the present invention, Fig. 2 is a longitudinal sectional view showing a second embodiment of the invention, and Fig. 3 shows the configuration of a conventional ultrasonic transducer. FIG. DESCRIPTION OF SYMBOLS 1... Electrostrictive element, 2... Additional mass body, 4... Diaphragm, 5, 7... Housing, 6... Insulating elastic material, 8, 10... Metal thin film.
Claims (1)
電極を形成した円板状の電歪素子の一方の側面に
固着した剛性の円柱状の付加質量体がその長さ共
振における振動の節の位置でダイアフラムを介し
て前記筐体に固定されると共に前記筐体内には絶
縁弾性材が充填された超音波振動子において、前
記筐体の側面に絶縁弾性材の注入孔を形成すると
共に前記音波放出孔を金属薄膜で閉塞したことを
特徴とする超音波振動子。 A rigid cylindrical additional mass body fixed to one side of a disk-shaped electrostrictive element, which has electrodes formed on both sides in a housing with a sound wave emission hole on one side, is a vibration node in the length resonance. In an ultrasonic transducer fixed to the casing via a diaphragm at a position where the casing is filled with an insulating elastic material, an injection hole for the insulating elastic material is formed on a side surface of the casing, and the An ultrasonic vibrator characterized in that a sound wave emission hole is closed with a metal thin film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8956187U JPS63198299U (en) | 1987-06-10 | 1987-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8956187U JPS63198299U (en) | 1987-06-10 | 1987-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63198299U true JPS63198299U (en) | 1988-12-20 |
Family
ID=30948658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8956187U Pending JPS63198299U (en) | 1987-06-10 | 1987-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63198299U (en) |
-
1987
- 1987-06-10 JP JP8956187U patent/JPS63198299U/ja active Pending
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