JPS59144918U

JPS59144918U - LC filter element

Info

Publication number: JPS59144918U
Application number: JP3787483U
Authority: JP
Inventors: 治文万代
Original assignee: 株式会社村田製作所
Priority date: 1983-03-16
Filing date: 1983-03-16
Publication date: 1984-09-27
Also published as: JPH0441620Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図はπ型フィルタの回路図である。第２図ないし第
８図は、この考案の一実施例を説明する図であって、第
２図ないし第７図は積層される絶縁性シートの平面図で
あり、第８図は得られたＬＣフィルタ素子の外観を示す
斜視図である。第９図は他のＬＣフィルタの回路図であ
る。第１０図はこの考案の他の実施例で用いられる絶縁
性シートの平面図である。第１１図はこの考案のさらに
他の実施例で用いられる絶縁性シートの平面図である。第１２図ないし第１６図は、この考案のさらに他の実施
例において積層される絶縁性シートの平面図である。図において、４〜９．２７．３０．３４〜３８は絶縁性
シート、１０．　１３．　１６．　１Ｂ、　　２１゜２
Ｂ、３１．３９．４２，４４．４６は導電パターン、１
１，１４．１９．２２．２９，３２゜３３．４０，４５
．４７は引出し電極、２３は積層体、２４〜２６は外部
電極である。FIG. 1 is a circuit diagram of a π-type filter. Figures 2 to 8 are diagrams explaining one embodiment of this invention, Figures 2 to 7 are plan views of the laminated insulating sheets, and Figure 8 is a diagram illustrating an embodiment of the invention. FIG. 2 is a perspective view showing the appearance of an LC filter element. FIG. 9 is a circuit diagram of another LC filter. FIG. 10 is a plan view of an insulating sheet used in another embodiment of this invention. FIG. 11 is a plan view of an insulating sheet used in yet another embodiment of this invention. 12 to 16 are plan views of insulating sheets laminated in still another embodiment of this invention. In the figure, 4-9.27.30.34-38 are insulating sheets, 10. 13. 16. 1B, 21゜2
B, 31.39.42, 44.46 are conductive patterns, 1
1,14.19.22.29,32゜33.40,45
．． 47 is an extraction electrode, 23 is a laminate, and 24 to 26 are external electrodes.

Claims

[Scope of utility model registration request]

(1) An LC filter element composed of at least one inductance component and at least one capacitance component, comprising a laminate of two or more insulating sheets stacked in sequence, each insulating sheet having a conductive layer. A pattern is formed, one of the conductive patterns generates an inductance component, and the other conductive pattern other than the conductive pattern that generates the inductance component is a part of the conductive pattern that generates the inductance component. create a capacitance component,
An LC filter element further comprising a lead-out conductive portion for leading each of the conductive patterns to the outside.

(2) Insulating sheets formed with conductive patterns that create an inductance component are stacked adjacently to form a laminate, and the conductive patterns of each insulating sheet are electrically connected with through holes that penetrate the insulating sheets. The LC filter element according to claim 1 of the utility model registration claim.

(3) An insulating sheet with a conductive pattern that creates a capacitance component is interposed between insulating sheets with a conductive pattern that creates an inductance component, and is laminated to form a laminate. , the LC filter element according to claim 1, which is electrically connected by a through hole passing through an insulating sheet formed with a conductive pattern that creates a capacitance component.

(4) A laminate of three or more insulating sheets including first, second and third insulating sheets stacked in sequence, wherein each of the first, second and third insulating sheets First, second and third conductive patterns are formed on one side facing the same side, and the first and third conductive patterns respectively create an inductance component and the first and third conductive patterns respectively create an inductance component. The conductive patterns No. 3 are electrically connected to each other through a through hole penetrating the two-layer insulating sheet interposed between these conductive patterns, and the second conductive pattern is connected to the first and third conductive patterns. first, second and third conductive patterns which are opposed to each other at least in part with an insulating sheet in between to create a capacitance component and to draw out the first, second and third conductive patterns to the outside, respectively; The LC filter element according to claim 1, characterized in that it is provided with a lead-out conductive part.

(5) The third conductive conductive section further includes a fifth conductive pattern that creates an inductance component, and the fifth conductive 1< turn is at least partially connected to each of the third and fifth conductive patterns. A fourth capacitance component is created by facing each other with an insulating sheet in between.
is formed on a fifth insulating sheet facing the third conductive sheet via a fourth insulating sheet on which a conductive pattern is formed, and the third and fifth conductive patterns are The insulation of the two layers interposed between the conductive patterns?
- The LC filter element according to claim 4, which is electrically connected by a through hole passing through the gate.

(6) The LC according to claim 5, wherein the fourth conductive pattern is drawn out to the outside by the second drawer conductive part in common with the second conductive pattern.
filter element.

(7) The LC filter element is chip-shaped, and the first, second, and third lead-out conductive parts are formed on the surface of the chip-shaped LC filter element, respectively.
The LC filter element according to any one of claims 4 to 6, which includes second and third external electrodes.

(8) The LC according to any one of claims 5 to 7 of the utility model registration claim, in which the lamination of the first, second, third, fourth, and fifth insulating sheets is repeated multiple times. filter element.