JPH01167719U - - Google Patents
Info
- Publication number
- JPH01167719U JPH01167719U JP6374388U JP6374388U JPH01167719U JP H01167719 U JPH01167719 U JP H01167719U JP 6374388 U JP6374388 U JP 6374388U JP 6374388 U JP6374388 U JP 6374388U JP H01167719 U JPH01167719 U JP H01167719U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric substrate
- piezoelectric
- divided electrodes
- divided
- substrate
- 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
- 239000000758 substrate Substances 0.000 claims description 7
- 230000010287 polarization Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
第１図は本考案の一実施例を示す斜視図、第２
図ａ，ｂは同上の平面図及び下面図、第３図は同
上の圧電共振子の一使用例を示すもので発振回路
の回路図、第４図は同上の圧電共振子のダイシン
グカツト前のマザーボードを示す平面図、第５図
は比較例の平面図、第６図ａ，ｂは従来例の斜視
図及びその分極方向を示す断面図である。
１……圧電基板、２ａ，２ｂ……分割電極、３
……共通電極。
Fig. 1 is a perspective view showing one embodiment of the present invention;
Figures a and b are the top and bottom views of the same piezoelectric resonator, Figure 3 is a circuit diagram of an oscillation circuit showing an example of how the piezoelectric resonator is used, and Figure 4 is a diagram of the piezoelectric resonator before dicing and cutting. FIG. 5 is a plan view of a comparative example, and FIGS. 6a and 6b are perspective views of a conventional example and a sectional view showing the polarization direction thereof. 1...Piezoelectric substrate, 2a, 2b...Divided electrode, 3
...Common electrode.
Claims (1)
に共通電極を形成し、この圧電基板を表裏方向と
平行に分極させると共に両分割電極に対応して分
極方向を互いに逆方向とした圧電共振子において
、前記圧電基板の中央では両分割電極間を圧電基
板の長さ方向に分割し、圧電基板の両端部ではい
ずれか一方の分割電極により端部全面を覆つてい
ることを特徴とする圧電共振子。 A piezoelectric resonator in which divided electrodes are formed on the front surface of a piezoelectric substrate, a common electrode is formed on the back surface of the piezoelectric substrate, and the piezoelectric substrate is polarized parallel to the front and back directions, and the polarization directions are opposite to each other in correspondence with both divided electrodes. In the piezoelectric resonance device, the piezoelectric substrate is divided between both divided electrodes in the length direction at the center of the piezoelectric substrate, and at both ends of the piezoelectric substrate, one of the divided electrodes covers the entire end portion. Child.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6374388U JPH01167719U (en) | 1988-05-14 | 1988-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6374388U JPH01167719U (en) | 1988-05-14 | 1988-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01167719U true JPH01167719U (en) | 1989-11-27 |
Family
ID=31289236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6374388U Pending JPH01167719U (en) | 1988-05-14 | 1988-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01167719U (en) |
-
1988
- 1988-05-14 JP JP6374388U patent/JPH01167719U/ja active Pending