JPH0394824U

JPH0394824U -

Info

Publication number: JPH0394824U
Application number: JP218290U
Authority: JP
Priority date: 1990-01-12
Filing date: 1990-01-12
Publication date: 1991-09-27
Anticipated expiration: 2005-01-12
Also published as: JP2549758Y2

Description

[Brief explanation of the drawing]

第１図〜第３図はこの考案の第１の実施例に係
る圧電振動部品の各構成を表す図であり、第１図
は分解斜視図、第２図は圧電素子の斜視図、第３
図は組み立て後の断面図である。第４図〜第６図
は第２の実施例に係る圧電振動部品の構成を表す
図であり、第４図は分解斜視図、第５図は圧電素
子の斜視図、第６図は組み立て後の断面図である
。第７図〜第９図は第３の実施例に係る圧電振動
部品の構成を表す図であり、第７図はケースの斜
視図、第８図は圧電振動部品の斜視図、第９図は
圧電振動部品の断面図である。第１０図〜第１２
図は第４の実施例に係る圧電振動部品の構成を表
す図であり、第１０図ＡおよびＢはカバーおよび
ケースの斜視図、第１１図および第１２図は圧電
振動部品の斜視図である。第１３図Ａ〜Ｃは圧電
基板に対する突起部形成位置の他の例を表す図で
ある。第１４図Ａ〜Ｃは長さ振動モードの圧電素
子の例を示す図である。第１５図Ａ〜Ｇはそれぞ
れ形状の異なる突起部の例を示す図である。第１
６図は従来の圧電振動部品の分解斜視図である。１，２０，４０……圧電基板、２，３，２１，
２２，２３，４１，４２，４３……電極、４，５
，２４〜２７，４５〜４９……導電性弾性体によ
る突起部、７ａ，８ａ，２９ａ，３０ａ，３１ａ
……端子板、１２，１３……ケース、１４，１５
，５１，５５，５７，５８……内部電極、１６，
５２，５３，５６，５９……引出電極、１７，１
８，６０，６１，６２……外部電極、５０……カ
バー、５４……ケース。 1 to 3 are diagrams showing each structure of a piezoelectric vibrating component according to a first embodiment of this invention, in which FIG. 1 is an exploded perspective view, FIG. 2 is a perspective view of a piezoelectric element, and FIG.
The figure is a sectional view after assembly. 4 to 6 are diagrams showing the configuration of the piezoelectric vibrating component according to the second embodiment, where FIG. 4 is an exploded perspective view, FIG. 5 is a perspective view of the piezoelectric element, and FIG. 6 is after assembly. FIG. 7 to 9 are diagrams showing the configuration of the piezoelectric vibrating component according to the third embodiment, where FIG. 7 is a perspective view of the case, FIG. 8 is a perspective view of the piezoelectric vibrating component, and FIG. 9 is a perspective view of the piezoelectric vibrating component. FIG. 3 is a cross-sectional view of a piezoelectric vibrating component. Figures 10 to 12
The figures are diagrams showing the configuration of the piezoelectric vibrating component according to the fourth embodiment, FIGS. 10A and B are perspective views of the cover and case, and FIGS. 11 and 12 are perspective views of the piezoelectric vibrating component. . FIGS. 13A to 13C are diagrams showing other examples of protrusion formation positions with respect to the piezoelectric substrate. FIGS. 14A to 14C are diagrams showing examples of piezoelectric elements in length vibration mode. FIGS. 15A to 15G are views showing examples of protrusions having different shapes. 1st
FIG. 6 is an exploded perspective view of a conventional piezoelectric vibrating component. 1, 20, 40...piezoelectric substrate, 2, 3, 21,
22, 23, 41, 42, 43... Electrode, 4, 5
, 24-27, 45-49...Protrusions made of conductive elastic bodies, 7a, 8a, 29a, 30a, 31a
... Terminal board, 12, 13 ... Case, 14, 15
, 51, 55, 57, 58...inner electrode, 16,
52, 53, 56, 59... Extraction electrode, 17, 1
8, 60, 61, 62...external electrode, 50...cover, 54...case.

Claims

[Scope of utility model registration request]

A piezoelectric element in which electrodes are formed on both main surfaces of a piezoelectric substrate, and protrusions made of a conductive elastic material are formed at specific locations on the surface of the electrodes, and the protrusions formed on both main surfaces of this piezoelectric element. A piezoelectric vibrating component comprising a holding part that comes into contact with the piezoelectric element and holds the piezoelectric element.