JPH0446564U

JPH0446564U -

Info

Publication number: JPH0446564U
Application number: JP1990088780U
Authority: JP
Priority date: 1990-08-24
Filing date: 1990-08-24
Publication date: 1992-04-21

Description

[Brief explanation of the drawing]

第１図〜第４図は、本考案の実施例を示す説明
図、第１図および第２図は、本考案において用い
られる圧電素子の概要を示す一部断面説明図であ
る。図中、１は膜状電極、２は圧電体、３はシム材
、４は絶縁性フイルムの圧電体被覆部、５は絶縁
性フイルムの突出部、６は導電部、１０は圧電素
子、２０は絶縁性フイルム、３０と４０は導電体
である。 1 to 4 are explanatory diagrams showing an embodiment of the present invention, and FIGS. 1 and 2 are partially sectional explanatory diagrams showing an outline of a piezoelectric element used in the present invention. In the figure, 1 is a membrane electrode, 2 is a piezoelectric material, 3 is a shim material, 4 is a piezoelectric covering part of an insulating film, 5 is a protruding part of an insulating film, 6 is a conductive part, 10 is a piezoelectric element, 20 is an insulating film, and 30 and 40 are conductors.

補正平２．１０．２９図面の簡単な説明を次のように補正する。明細書第１８頁下から５行に「第１図および第
２図」とあるのを「第５図および第６図」と訂正
する。Amendment October 29, 1992 The brief description of the drawings has been amended as follows. In the fifth line from the bottom of page 18 of the specification, the words "Fig. 1 and Fig. 2" are corrected to "Fig. 5 and Fig. 6."

Claims

[Claims for Utility Model Registration] (1) A piezoelectric element 1 formed by laminating and bonding a flat piezoelectric body 2 with membrane electrodes 1 formed on both sides and a shim material 3
0, an insulating film 20 having a piezoelectric covering part 4 and a protruding part 5, and the protruding part having a conductive part 6 formed continuously from the piezoelectric covering part 4; The insulating film 20 is laminated and fixed with its conductive portion 6 in contact with the surface of the membrane electrode 1 on the side exposed to the surface, and the conductive portion located on the shim material 3 and the protruding portion 5 of the insulating film A piezoelectric element characterized in that conductors 30 and 40 are connected to 6 and 6, respectively. (2) The shim material 3 has the piezoelectric laminated portion 7 and the protruding portion 8, and the stacking and fixing of the insulating film 20 is performed at a position where the protruding portions 5 and 8 of the insulating film and the shim material do not overlap. The piezoelectric element according to claim 1, characterized in that: (3) The protrusion 5 of the insulating film has a folded and overlapping structure, and the conductor 40 is sandwiched and connected between the overlapping surfaces of the protrusion 5. The piezoelectric element according to item 2. (4) The conductors 30 and 40 are connection terminals connected to the female connector, and the mold 60 is made of an insulating material over the entire circumference of the outer peripheral end of the piezoelectric element 10.
4. A piezoelectric element according to claim 1, further comprising a piezoelectric element.