JPS58172220U - piezoelectric vibrator - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

FIG. 1 shows a conventional rectangular crystal resonator, in which FIG. 1A is a perspective view, FIG. 1A is a front view, and FIG. 1C is a back view. Figure 2 shows an embodiment of a rectangular crystal oscillator according to the present invention;
is a perspective view, Figure C is a back view, Figure d is a front view showing the vapor deposition mask, and Figure E is a sectional view showing the vapor deposition mask and the crystal resonator after masking. FIG. 3 shows another embodiment of a rectangular crystal oscillator according to the present invention, and FIG. 3A is a surface view of a crystal diaphragm, and FIG. FIG. 4 shows an embodiment of a tuning fork type crystal resonator according to the present invention, and FIGS. 4a and 4b are perspective views seen from the front side and the back side. 202.203,404,405,406°407...
...Excitation electrode, 204, 205, 206° 207.
412, 413, 414, 415... Extraction electrode, 208, 209, 216, 217° 416.417.
...Connection electrode, 210,211°418.419
...Terminal.

Claims (1)

[Scope of utility model registration request] An excitation electrode that excites a piezoelectric diaphragm and a connection electrode that electrically and mechanically connects to a terminal are arranged on the piezoelectric diaphragm, and both are electrically connected between the connection electrode and the excitation electrode. An electrode structure for a piezoelectric vibrator, characterized in that two connecting lead electrodes are arranged on the piezoelectric diaphragm.