JPS6088630U

JPS6088630U - piezoelectric resonator

Info

Publication number: JPS6088630U
Application number: JP18187783U
Authority: JP
Inventors: 隆山本; 北嶋　宝道
Original assignee: 株式会社村田製作所
Priority date: 1983-11-24
Filing date: 1983-11-24
Publication date: 1985-06-18
Also published as: JPH0441622Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来例の圧電共振子の平面図、第２図は第１図
の圧電共振子の樹脂外装した場合の平面図、第３図は圧
電共振子を含む発振回路図、第４図ないし第７図は本考
案の実施例を示し、第４図はその圧電共振子の平面図、
第５図は半田や導電ペイントやリード端子を設けた状態
の圧電共振子であって第４図の圧電共振子と同方向から
見た平面図、第６図は第５図と同様の図であって第４図
の圧電共振子とは反対方向から見た平面図、第７図は第
６図の切断線Ａ−Ａに沿う断面図である。２０は圧電共振子、２１は圧電基板、２２，２３は主表
面、２４は第１共振子電極、２５は第２共振子電極、２
６は第１コンデンサ、２７．２８は第１、第２コンデン
サ電極、２９は引出電極、３０は第２コンデンサ、３１
．３２は第１、第２コンデンサ電極、３３は隅部、３４
は第１接続用電極、３５は引出電極、３６は第２接続用
電極、３７は第３接続用電極、３８は引出電極、３９は
導電ペイント、４０，４１．４４はリード端子、４２．
４３．４５は半田。Fig. 1 is a plan view of a conventional piezoelectric resonator, Fig. 2 is a plan view of the piezoelectric resonator shown in Fig. 1 covered with resin, Fig. 3 is an oscillation circuit diagram including the piezoelectric resonator, and Fig. 4 7 to 7 show embodiments of the present invention, and FIG. 4 is a plan view of the piezoelectric resonator;
Figure 5 is a plan view of a piezoelectric resonator with solder, conductive paint, and lead terminals, viewed from the same direction as the piezoelectric resonator in Figure 4, and Figure 6 is a view similar to Figure 5. FIG. 7 is a plan view taken from a direction opposite to that of the piezoelectric resonator in FIG. 4, and FIG. 7 is a sectional view taken along the cutting line A--A in FIG. 20 is a piezoelectric resonator, 21 is a piezoelectric substrate, 22 and 23 are main surfaces, 24 is a first resonator electrode, 25 is a second resonator electrode, 2
6 is the first capacitor, 27.28 is the first and second capacitor electrode, 29 is the extraction electrode, 30 is the second capacitor, 31
．． 32 is the first and second capacitor electrodes, 33 is the corner, 34
35 is a first connection electrode, 35 is an extraction electrode, 36 is a second connection electrode, 37 is a third connection electrode, 38 is an extraction electrode, 39 is a conductive paint, 40, 41.44 is a lead terminal, 42.
43.45 is solder.

Claims

[Scope of utility model registration request]

First and second resonator electrodes facing each other with the piezoelectric substrate in between are formed on the bidirectional surfaces of the piezoelectric substrate, and a resonator electrode is formed along one end of one main surface of the piezoelectric substrate on which the first resonator electrode is formed. A first capacitor electrode of the first and second capacitor electrodes constituting the first capacitor is connected to the first resonator electrode via an extraction electrode, and a third capacitor constituting the second capacitor is formed. The third capacitor electrode of the fourth capacitor electrode is formed, and the first connection electrode is connected to the second resonator at a corner of one end of the other main surface of the piezoelectric substrate on which the second resonator electrode is formed. Similarly, on the other main surface, a second capacitor electrode is provided opposite to the first capacitor electrode, and a fourth capacitor electrode of the second capacitor is provided opposite to the third capacitor electrode. While forming capacitor electrodes, the second and fourth capacitor electrodes are connected to each other via a second lead-out electrode, and a third connecting electrode is connected to the third capacitor electrode on the other main surface facing the corner. A piezoelectric resonator formed by being connected through an extraction electrode, and in which the first and third connection electrodes are connected to each other at the corners with conductive paint.