JPH03130618U

JPH03130618U -

Info

Publication number: JPH03130618U
Application number: JP3922590U
Authority: JP
Priority date: 1990-04-11
Filing date: 1990-04-11
Publication date: 1991-12-27

Description

[Brief explanation of drawings]

第１図は本願第１の考案の一実施例にかかる圧
電共振子の素子容器を示す斜視図、第２図はその
素子容器に圧電素子を収納した状態を示す平面図
、第３図は本願第１の考案の一実施例にかかる圧
電共振子を示す断面図、第４図は本願第２の考案
の実施例を示す平面図、第５図は本願第２の考案
の他の実施例を示す断面図、第６図は本願第３の
考案の一実施例にかかる圧電共振子を示す平面図
、第７図は従来の圧電共振子を示す断面図、第８
図はその圧電共振子の素子容器を示す斜視図、第
９図はその素子容器に圧電素子を収納した状態を
示す平面図である。５……素子容器、５ａ……凹部、９……封止蓋
、１０……圧電素子、１１……突起、１２……突
起、１５ａ，１５ｂ……保持凹部。 FIG. 1 is a perspective view showing an element container of a piezoelectric resonator according to an embodiment of the first invention of the present application, FIG. 2 is a plan view showing a state in which a piezoelectric element is housed in the element container, and FIG. A sectional view showing a piezoelectric resonator according to an embodiment of the first invention, FIG. 4 is a plan view showing an embodiment of the second invention, and FIG. 5 shows another embodiment of the second invention. 6 is a plan view showing a piezoelectric resonator according to an embodiment of the third invention of the present application, FIG. 7 is a sectional view showing a conventional piezoelectric resonator, and FIG.
The figure is a perspective view showing the element container of the piezoelectric resonator, and FIG. 9 is a plan view showing the state in which the piezoelectric element is housed in the element container. 5...Element container, 5a...Recess, 9...Sealing lid, 10...Piezoelectric element, 11...Protrusion, 12...Protrusion, 15a, 15b...Holding recess.

Claims

[Claims for Utility Model Registration] (1) A piezoelectric element in which a vibrating part is formed by providing a vibrating electrode on a piezoelectric substrate, and an element container having a recess that houses the piezoelectric element and forms a vibration space for the piezoelectric element. and a resonator case consisting of a sealing lid that covers the element container, the piezoelectric resonator having a width smaller than the width of the recess and a width of the end of the piezoelectric element on both end sides of the recess. forming a slightly larger holding recess for holding the piezoelectric element and holding its vibrating part in the vibration space, and holding both ends of the piezoelectric element in the resonator case by inserting them into the holding recess. A piezoelectric resonator characterized by: (2) An inner surface of the resonator case of the piezoelectric resonator according to claim (1) further includes: when the piezoelectric element is displaced based on normal vibration, the piezoelectric element does not come into contact with the piezoelectric element; A piezoelectric resonator characterized in that a projection is provided that comes into contact with a piezoelectric element to prevent excessive displacement when a displacement exceeding a normal displacement occurs. (3) a piezoelectric element in which a vibrating part is formed by providing a vibrating electrode on a piezoelectric substrate; an element container having a recess for accommodating the piezoelectric element and forming a vibration space for the piezoelectric element;
In a piezoelectric resonator comprising a resonator case comprising a sealing lid that covers the element container, the piezoelectric element is supported at both ends of the recess, and the vibrating part is placed in a vibration space within the resonator case. In addition to providing a support portion for holding the element container, the piezoelectric element does not come into contact with the piezoelectric element when the piezoelectric element is displaced based on normal vibration, and the size of the displacement exceeds the normal displacement of the piezoelectric element. A piezoelectric resonator characterized in that a projection is provided that comes into contact with a piezoelectric element to prevent excessive displacement when displacement occurs.