JPH0472719U - - Google Patents
Info
- Publication number
- JPH0472719U JPH0472719U JP11643190U JP11643190U JPH0472719U JP H0472719 U JPH0472719 U JP H0472719U JP 11643190 U JP11643190 U JP 11643190U JP 11643190 U JP11643190 U JP 11643190U JP H0472719 U JPH0472719 U JP H0472719U
- Authority
- JP
- Japan
- Prior art keywords
- lower protective
- protective substrates
- piezoelectric
- piezoelectric element
- capacitance forming
- 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 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims 1
- 239000003989 dielectric material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
第１図はこの考案の一実施例にかかる圧電部品
の構造を説明するための分解斜視図、第２図は実
施例の圧電部品の、外部電極を形成する前の状態
を示す斜視図、第３図はこの考案の一実施例にか
かる圧電部品を示す斜視図、第４図は従来の圧電
部品の圧電素子を示す図、第５図は従来の圧電部
品を示す斜視図、第６図はその等価回路を示す図
である。
１……圧電素子、２……圧電基板、３ａ，３ｂ
……振動電極、４ａ，４ｂ……引出し電極、５ａ
，５ｂ……上部及び下部保護基板、６ａ，６ｂ…
…容量形成電極、７ａ，７ｂ……容量形成電極、
８ａ，８ｂ……外部電極。
FIG. 1 is an exploded perspective view for explaining the structure of a piezoelectric component according to an embodiment of the invention; FIG. 2 is a perspective view showing the piezoelectric component of the embodiment in a state before external electrodes are formed; 3 is a perspective view showing a piezoelectric component according to an embodiment of the invention, FIG. 4 is a diagram showing a piezoelectric element of a conventional piezoelectric component, FIG. 5 is a perspective view showing a conventional piezoelectric component, and FIG. 6 is a perspective view showing a piezoelectric element of a conventional piezoelectric component. It is a figure showing the equivalent circuit. 1...Piezoelectric element, 2...Piezoelectric substrate, 3a, 3b
... Vibration electrode, 4a, 4b ... Extraction electrode, 5a
, 5b... Upper and lower protective substrates, 6a, 6b...
...capacitance forming electrode, 7a, 7b...capacitance forming electrode,
8a, 8b...external electrodes.
Claims (1)
を保護する上部及び下部保護基板と、 前記上部及び下部保護基板の少なくとも一方に
配設された少なくとも一対の容量形成電極と、 前記振動電極及び前記容量形成電極と接続し、
前記上部及び下部保護基板の少なくとも一方に形
成された容量を前記振動電極と並列に接続する外
部電極とを具備すること を特徴とするチツプ型圧電部品。[Claims for Utility Model Registration] A piezoelectric element formed by providing a vibrating electrode on a piezoelectric substrate, upper and lower protective substrates made of a dielectric material that sandwich and protect the piezoelectric element, and the upper and lower protective substrates. at least one pair of capacitance forming electrodes disposed on at least one of the oscillating electrodes and the capacitance forming electrodes,
A chip-type piezoelectric component comprising an external electrode that connects a capacitor formed on at least one of the upper and lower protective substrates in parallel with the vibrating electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11643190U JPH0472719U (en) | 1990-11-05 | 1990-11-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11643190U JPH0472719U (en) | 1990-11-05 | 1990-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0472719U true JPH0472719U (en) | 1992-06-26 |
Family
ID=31864257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11643190U Pending JPH0472719U (en) | 1990-11-05 | 1990-11-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0472719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06177695A (en) * | 1992-10-08 | 1994-06-24 | Murata Mfg Co Ltd | Chip type piezoelectric parts |
-
1990
- 1990-11-05 JP JP11643190U patent/JPH0472719U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06177695A (en) * | 1992-10-08 | 1994-06-24 | Murata Mfg Co Ltd | Chip type piezoelectric parts |
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