JPH02106724U - - Google Patents
Info
- Publication number
- JPH02106724U JPH02106724U JP1455489U JP1455489U JPH02106724U JP H02106724 U JPH02106724 U JP H02106724U JP 1455489 U JP1455489 U JP 1455489U JP 1455489 U JP1455489 U JP 1455489U JP H02106724 U JPH02106724 U JP H02106724U
- Authority
- JP
- Japan
- Prior art keywords
- vibrator
- piezoelectric vibrator
- view
- utility
- length
- 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
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
第１図は本考案に係る圧電振動子の平面図、第
２図は第１図Ａ１―Ａ１線における断面図、第３
図は第１図Ａ２―Ａ２線上における断面図、第４
図は広がり振動モードを利用した圧電振動子の平
面図、第５図は第４図Ａ３―Ａ３線上における断
面図、第６図はバレル研磨処理を示す図、第７図
はバレル処理時間と固有振動周波数Ｆφ変化量と
の関係を示す図、第８図は長さ方向振動モードを
利用する従来の圧電振動子の斜視図、第９図は広
がり振動モードを利用する従来の圧電振動子の斜
視図、第１０図は圧電振動子製造工程の１部を示
す図である。
１……圧電素体、２，３，２１〜２３，３１〜
３３，４……電極、イ〜ニ……４隅部。
Fig. 1 is a plan view of a piezoelectric vibrator according to the present invention, Fig. 2 is a sectional view taken along line A1- A1 in Fig. 1 , and Fig.
The figures are a sectional view taken along line A2 - A2 in Figure 1, and Figure 4.
The figure is a plan view of a piezoelectric vibrator using the spread vibration mode, Figure 5 is a cross-sectional view taken along line A3 - A3 in Figure 4, Figure 6 is a diagram showing barrel polishing treatment, and Figure 7 is barrel treatment time. Figure 8 is a perspective view of a conventional piezoelectric vibrator that uses a longitudinal vibration mode, and Figure 9 is a conventional piezoelectric vibrator that uses a spread vibration mode. FIG. 10 is a perspective view showing a part of the piezoelectric vibrator manufacturing process. 1...Piezoelectric element body, 2, 3, 21-23, 31-
33, 4...electrode, i~d...4 corners.
Claims (1)
矩形状の圧電振動子であつて、 圧電素体は、少なくとも４隅部が丸みを帯びて
いること を特徴とする圧電振動子。[Claims for Utility Model Registration] A rectangular piezoelectric vibrator whose natural vibration frequency depends on length or area, the piezoelectric element having at least four rounded corners. vibrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1455489U JPH02106724U (en) | 1989-02-09 | 1989-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1455489U JPH02106724U (en) | 1989-02-09 | 1989-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02106724U true JPH02106724U (en) | 1990-08-24 |
Family
ID=31225854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1455489U Pending JPH02106724U (en) | 1989-02-09 | 1989-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02106724U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5920723B2 (en) * | 1981-12-11 | 1984-05-15 | 石川島播磨重工業株式会社 | Method for producing dispersion-strengthened metal powder |
| JPS63182904A (en) * | 1987-01-23 | 1988-07-28 | Murata Mfg Co Ltd | Energy confinement type piezoelectric vibrator component |
-
1989
- 1989-02-09 JP JP1455489U patent/JPH02106724U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5920723B2 (en) * | 1981-12-11 | 1984-05-15 | 石川島播磨重工業株式会社 | Method for producing dispersion-strengthened metal powder |
| JPS63182904A (en) * | 1987-01-23 | 1988-07-28 | Murata Mfg Co Ltd | Energy confinement type piezoelectric vibrator component |