JPS63187358U - - Google Patents
Info
- Publication number
- JPS63187358U JPS63187358U JP1987078611U JP7861187U JPS63187358U JP S63187358 U JPS63187358 U JP S63187358U JP 1987078611 U JP1987078611 U JP 1987078611U JP 7861187 U JP7861187 U JP 7861187U JP S63187358 U JPS63187358 U JP S63187358U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- electrode
- electrodes
- region
- utility
- 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
- 230000007547 defect Effects 0.000 claims 1
- 230000010287 polarization Effects 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素子の平面図、第2
図は第1図A―A線上における断面図、第3図は
従来の圧電素子の平面図、第4図は同じく正面図
である。
1……圧電素体、2,3……電極、5……極性
表示マーク、P……分極方向。
Figure 1 is a plan view of a piezoelectric element according to the present invention, Figure 2 is a plan view of a piezoelectric element according to the present invention;
The figures are a sectional view taken along the line AA in FIG. 1, FIG. 3 is a plan view of a conventional piezoelectric element, and FIG. 4 is a front view. 1... Piezoelectric element body, 2, 3... Electrode, 5... Polarity display mark, P... Polarization direction.
Claims (1)
を設けた圧電素子において、一方の電極の領域内
に電極欠損による極性表示マークを有することを
特徴とする圧電素子。 1. A piezoelectric element comprising electrodes of substantially the same shape on opposite surfaces of a piezoelectric element body, the piezoelectric element having a polarity indicating mark due to an electrode defect in the region of one electrode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987078611U JPS63187358U (en) | 1987-05-25 | 1987-05-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987078611U JPS63187358U (en) | 1987-05-25 | 1987-05-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63187358U true JPS63187358U (en) | 1988-11-30 |
Family
ID=30927717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987078611U Pending JPS63187358U (en) | 1987-05-25 | 1987-05-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63187358U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015019810A1 (en) * | 2013-08-05 | 2015-02-12 | 株式会社村田製作所 | Layered thermoelectric element and method for producing same |
DE102017123383A1 (en) * | 2017-10-09 | 2019-04-11 | Valeo Schalter Und Sensoren Gmbh | Piezo element with marking and improved conversion |
JP7099596B1 (en) * | 2021-07-14 | 2022-07-12 | Tdk株式会社 | Piezoelectric element |
-
1987
- 1987-05-25 JP JP1987078611U patent/JPS63187358U/ja active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015019810A1 (en) * | 2013-08-05 | 2015-02-12 | 株式会社村田製作所 | Layered thermoelectric element and method for producing same |
CN105474416A (en) * | 2013-08-05 | 2016-04-06 | 株式会社村田制作所 | Layered thermoelectric element and method for producing same |
JPWO2015019810A1 (en) * | 2013-08-05 | 2017-03-02 | 株式会社村田製作所 | Multilayer thermoelectric conversion element and method for manufacturing the same |
CN105474416B (en) * | 2013-08-05 | 2018-01-16 | 株式会社村田制作所 | Cascade type thermoelectric conversion element and its manufacture method |
DE102017123383A1 (en) * | 2017-10-09 | 2019-04-11 | Valeo Schalter Und Sensoren Gmbh | Piezo element with marking and improved conversion |
JP7099596B1 (en) * | 2021-07-14 | 2022-07-12 | Tdk株式会社 | Piezoelectric element |