JPH0390121U

JPH0390121U -

Info

Publication number: JPH0390121U
Application number: JP15046889U
Authority: JP
Priority date: 1989-12-27
Filing date: 1989-12-27
Publication date: 1991-09-13
Anticipated expiration: 2004-12-27
Also published as: JPH073693Y2

Description

[Brief explanation of drawings]

第１図は本考案における端子と圧電振動子とコ
ンデンサの位置関係を示す平面図、第２図は本考
案のセラミツク発振子の一実施例を示す正面図、
第３図はその背面図、第４図は同平面図、第５図
は第２図のＡ−Ａ線断面図、第６図は圧電振動子
の拡大斜視図、第７図は端子とベースの組立工程
の説明図、第８図はクロツク信号発生回路の回路
図、第９図は従来のセラミツク発振子の正面図で
ある。１０……圧電振動子、１１，１２……電極、４
０……ベース、４１……溝、４２……切欠部、４
２ａ……凹部、５１，５２，５３……端子、６０
……コンデンサ、６１，６２，６３……電極。 FIG. 1 is a plan view showing the positional relationship between the terminal, piezoelectric vibrator, and capacitor according to the present invention, and FIG. 2 is a front view showing an embodiment of the ceramic oscillator according to the present invention.
Figure 3 is a rear view, Figure 4 is a plan view, Figure 5 is a sectional view taken along line A-A in Figure 2, Figure 6 is an enlarged perspective view of the piezoelectric vibrator, and Figure 7 is a terminal and base. 8 is a circuit diagram of a clock signal generating circuit, and FIG. 9 is a front view of a conventional ceramic oscillator. 10... Piezoelectric vibrator, 11, 12... Electrode, 4
0...Base, 41...Groove, 42...Notch, 4
2a... recess, 51, 52, 53... terminal, 60
... Capacitor, 61, 62, 63... Electrode.

Claims

[Claims for Utility Model Registration] (1) An energy trapping piezoelectric vibrator in which electrodes are formed on both main surfaces, some of which are opposed to each other with a piezoelectric plate in between, and two electrodes are formed on one main surface of a dielectric substrate. In a ceramic resonator with a built-in capacitor, which includes a capacitor with an electrode and a common electrode on the other main surface, and a base with three terminals planted in parallel, the three terminals have a part of the same side surface. The terminal is located on a plane and passes through the base, and the diameter dimension in the direction perpendicular to the plane is smaller than the other two terminals, and the side of the three terminals is on the same plane. The electrodes of the capacitor are connected to the sides of the
A ceramic oscillator characterized in that electrodes of a piezoelectric vibrator are connected to opposite sides of two terminals at both ends. (2) The ceramic oscillator according to claim 1, wherein the piezoelectric vibrator and the capacitor are both arranged with their sides facing the terminals. (3) The ceramic oscillator according to claim 1, wherein the three terminals are made of round rod-shaped wires. (4) The ceramic oscillator according to claim 1, wherein the base is provided with a groove and a cutout portion exposing a part of the terminal, the piezoelectric vibrator is mounted in the groove, and the capacitor is mounted in the cutout portion. (5) A ceramic oscillator according to claim 4, wherein recesses slightly larger than the thickness of the capacitor are formed at both ends of the notch, and both ends of the capacitor are fitted into the recesses.