JPS6355423U

JPS6355423U -

Info

Publication number: JPS6355423U
Application number: JP14703286U
Authority: JP
Priority date: 1986-09-25
Filing date: 1986-09-25
Publication date: 1988-04-13
Also published as: JPH0423301Y2

Description

[Brief explanation of the drawing]

第１図乃至第３図は、本考案の一実施例を示す
もので、第１図Ａはコンデンサ素子の要部展開側
面図、第１図Ｂは要部展開横断面図、第２図は完
成品の斜視図、第３図は外部端子を接続した状態
を示す斜視図、第４図乃至第９図は、それぞれ本
考案の他の実施例を示す要部展開横断面図、第１
０図Ａ及びＢは、ノイズフイルターを組み込んだ
回路図であり、第１１図は従来例を示すもので、
第１１図Ａはコンデンサ素子の要部展開側面図、
第１１図Ｂは横断面図、第１１図Ｃは第１１図Ｂ
の部分拡大図である。１……複合コンデンサ、３，３′……蒸着電極
、４，４′……金属化誘電体フイルム、５，５′
……誘電体フイルム、６……金属箔電極、７，７
′……保護フイルム、８……コンデンサ素子、９
……第３の外部電極、１０……第１の外部電極、
１０′……第２の外部電極、１１，１１′……マ
ージン部、１４……積層体、１５，１５′……熱
可塑性接着剤層、１６……積層体。 1 to 3 show an embodiment of the present invention. FIG. 1A is an exploded side view of the main part of a capacitor element, FIG. 1B is an exploded cross-sectional view of the main part, and FIG. FIG. 3 is a perspective view of the completed product, FIG. 3 is a perspective view showing a state in which external terminals are connected, and FIGS.
Figures A and B are circuit diagrams incorporating a noise filter, and Figure 11 shows a conventional example.
Figure 11A is an exploded side view of the main parts of the capacitor element;
Figure 11B is a cross-sectional view, Figure 11C is Figure 11B
FIG. 1... Composite capacitor, 3, 3'... Vapor deposited electrode, 4, 4'... Metallized dielectric film, 5, 5'
...Dielectric film, 6...Metal foil electrode, 7,7
'...Protective film, 8...Capacitor element, 9
... third external electrode, 10 ... first external electrode,
10'... Second external electrode, 11, 11'... Margin section, 14... Laminate, 15, 15'... Thermoplastic adhesive layer, 16... Laminate.

Claims

[Claims for Utility Model Registration] (1) A dielectric film and a metal foil electrode whose width is narrower than that of the dielectric film are overlapped so that margin portions are formed at both ends of the dielectric film in the width direction, This is stacked and wound with a metallized dielectric film to form a capacitor element, and first and second external electrodes made of metallicon are formed on both end faces of the capacitor element, respectively, and the metal foil electrode is wound. 1. A composite capacitor in which a circuit terminal end is arranged on the outer circumferential surface of a capacitor element to form a third external electrode, characterized in that an insulating protective film is arranged at least in the margin part. (2) The composite capacitor according to claim 1, wherein the protective film covers the ends of the metal foil electrode in the width direction. (3) The composite capacitor according to claim 1 or 2, wherein the protective film is integrated with a dielectric film in advance. (4) The composite capacitor according to claim 3, wherein the protective film is made of a separate member from the dielectric film. (5) The composite capacitor according to claim 4, wherein the protective film is bonded to at least the margin portion of the dielectric film. (6) The composite capacitor according to claim 3, wherein the protective film is formed of a part of a dielectric film. (7) The composite capacitor according to claim 6, wherein the protective film is formed by folding back the ends of a dielectric film in the width direction. (8) Utility model registration claims 1 to 7, characterized in that the dielectric film is superimposed on the surface of the metal foil electrode that faces the electrode-forming surface of the metallized dielectric film. Composite capacitor according to any of paragraphs. (9) The composite capacitor according to any one of claims 1 to 7 of the utility model registration claim, characterized in that a dielectric film is laminated on both sides of a metal foil electrode. (10) In the metal foil electrode, the dielectric film superimposed on the surface opposite to the electrode formation surface of the metallized dielectric film and the metal foil electrode are integrated in advance to form a laminate. A composite capacitor according to claim 8 or 9 of the utility model registration claim. 〓(11)１１〓 Claim for utility model registration characterized in that a dielectric film superimposed on both sides of a metal foil electrode and the metal foil electrode are integrated in advance to form a laminate. Composite capacitor according to paragraph 9. (12) 12 The composite capacitor according to claim 8 or 9 of the utility model registration, characterized in that a thermoplastic adhesive layer is formed on the inner surface of the wound metal foil electrode. (13)13 The composite capacitor according to claim 10 or 11 of the utility model registration, characterized in that a thermoplastic adhesive layer is formed on the inner surface of the wound layer of the laminate. 〓(14)１４〓 Request for registration of a utility model characterized in that a thermoplastic adhesive layer is formed on the inner surface of a dielectric film whose winding end portion is disposed on the outer peripheral surface of a capacitor element. Range item 12 or 1
Composite capacitor according to item 3.