JPS6395322U - - Google Patents
Info
- Publication number
- JPS6395322U JPS6395322U JP18970286U JP18970286U JPS6395322U JP S6395322 U JPS6395322 U JP S6395322U JP 18970286 U JP18970286 U JP 18970286U JP 18970286 U JP18970286 U JP 18970286U JP S6395322 U JPS6395322 U JP S6395322U
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- ceramic substrate
- vibrating element
- piezoelectric vibrator
- piezoelectric
- 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
- 239000000919 ceramic Substances 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
第１図は本考案に係る負荷容量内蔵形圧電振動
子の斜視図、第２図は本考案に係る片方のセラミ
ツク基板の斜視図、第３図は第２図に示すセラミ
ツク基板の平面図、第４図は従来の負荷容量内蔵
形圧電振動子の斜視図、第５図は圧電振動子の構
成を示す断面図、第６図は負荷容量内蔵形圧電振
動子の等価回路、である。
図において、１は圧電振動素子、３は駆動用電
極、４，１０，１６はセラミツク基板、６，１１
は共通電極、８，１２，１３は対向電極、１４は
切り込み、１５は圧電振動素子の端部、１７は圧
電振動子、１８は凹部、１９，２０はコンデンサ
、である。
FIG. 1 is a perspective view of a piezoelectric vibrator with built-in load capacitance according to the present invention, FIG. 2 is a perspective view of one of the ceramic substrates according to the present invention, and FIG. 3 is a plan view of the ceramic substrate shown in FIG. 2. FIG. 4 is a perspective view of a conventional piezoelectric vibrator with built-in load capacitance, FIG. 5 is a sectional view showing the structure of the piezoelectric vibrator, and FIG. 6 is an equivalent circuit of the piezoelectric vibrator with built-in load capacitance. In the figure, 1 is a piezoelectric vibrating element, 3 is a driving electrode, 4, 10, 16 is a ceramic substrate, 6, 11
1 is a common electrode, 8, 12, and 13 are counter electrodes, 14 is a notch, 15 is an end of a piezoelectric vibrating element, 17 is a piezoelectric vibrator, 18 is a recess, and 19 and 20 are capacitors.
Claims (1)
、他端の電極をそれぞれ圧電振動素子の電極に接
続してなる三端子の負荷容量内蔵形の圧電振動子
において、 中央部に圧電振動素子１を収容する凹部１８を
備えたセラミツク基板１０の内側と外側とを相互
に絶縁した状態でメタライズし、該メタライズ部
を電極とする二個のコンデンサ１９，２０を形成
した後、該セラミツク基板１０の凹部１８に圧電
振動素子１を挿入し、該セラミツク基板１０の切
り込み１４でコンデンサの対向電極１２，１３と
該圧電振動子１の電極を接続させた後、該セラミ
ツク基板１０と同形の他のセラミツク基板１６と
重ね合わせて封着してなることを特徴とする圧電
振動子。[Claims for Utility Model Registration] In a three-terminal piezoelectric vibrator with built-in load capacitance, in which one electrode of two capacitors is used as a common electrode and the other end electrodes are respectively connected to the electrodes of the piezoelectric vibrating element, A ceramic substrate 10 having a recess 18 for accommodating the piezoelectric vibrating element 1 in the center thereof was metallized on the inside and outside in a mutually insulated state, and two capacitors 19 and 20 were formed using the metallized portions as electrodes. After that, the piezoelectric vibrating element 1 is inserted into the recess 18 of the ceramic substrate 10, and the counter electrodes 12 and 13 of the capacitor are connected to the electrodes of the piezoelectric vibrator 1 through the notches 14 of the ceramic substrate 10. A piezoelectric vibrator characterized in that it is formed by stacking and sealing another ceramic substrate 16 of the same shape as 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18970286U JPS6395322U (en) | 1986-12-09 | 1986-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18970286U JPS6395322U (en) | 1986-12-09 | 1986-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6395322U true JPS6395322U (en) | 1988-06-20 |
Family
ID=31142243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18970286U Pending JPS6395322U (en) | 1986-12-09 | 1986-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6395322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0518120U (en) * | 1991-08-13 | 1993-03-05 | テイーデイーケイ株式会社 | Piezoelectric resonance component |
-
1986
- 1986-12-09 JP JP18970286U patent/JPS6395322U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0518120U (en) * | 1991-08-13 | 1993-03-05 | テイーデイーケイ株式会社 | Piezoelectric resonance component |
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