JPH0428423U

JPH0428423U -

Info

Publication number: JPH0428423U
Application number: JP6946690U
Authority: JP
Priority date: 1990-06-28
Filing date: 1990-06-28
Publication date: 1992-03-06

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の積層コンデンサに
おける内部電極形状を説明するための平面断面図
、第２図は従来の積層コンデンサの内部電極形状
を説明するための平面断面図、第３図は従来の積
層コンデンサの他の例を説明するための平面断面
図、第４図は本考案の一実施例の積層コンデンサ
を得る工程を説明するための分解斜視図、第５図
は本考案の一実施例の積層コンデンサの平面断面
図、第６図〜第８図は、それぞれ、本考案の内部
電極形状の変形例を説明するための各平面断面図
である。図において、１１はセラミツク焼結体、１１ａ
，１１ｂは端面、１２は内部電極、１２ａは引出
し電極部、１２ｂは折り返し電極部、１２ｃは細
い電極部分、１２ｄは電極折り返し部分、１５は
積層コンデンサ、１６，１７は外部電極、２２，
３２，４２は内部電極、２２ａ，３２ａ，４２ａ
は引出し電極部、２２ｂ，３２ｂ，４２ｂは折り
返し電極部、２２ｃ〜２２ｆ，３２ｃ〜３２ｆは
電極折り返し部分を示す。 FIG. 1 is a plan sectional view for explaining the shape of internal electrodes in a multilayer capacitor according to an embodiment of the present invention, FIG. 2 is a plan sectional view for explaining the shape of internal electrodes of a conventional multilayer capacitor, and FIG. 4 is an exploded perspective view for explaining the process of obtaining a multilayer capacitor according to an embodiment of the present invention. FIG. 5 is a cross-sectional plan view for explaining another example of a conventional multilayer capacitor. 6 to 8 are plan sectional views of a multilayer capacitor according to an embodiment, respectively, for explaining modifications of the internal electrode shape of the present invention. In the figure, 11 is a ceramic sintered body, 11a
, 11b is an end surface, 12 is an internal electrode, 12a is an extraction electrode part, 12b is a folded electrode part, 12c is a thin electrode part, 12d is a folded electrode part, 15 is a multilayer capacitor, 16 and 17 are external electrodes, 22,
32, 42 are internal electrodes, 22a, 32a, 42a
22b, 32b, 42b are folded electrode parts, and 22c to 22f, 32c to 32f are folded electrode parts.

Claims

[Claims for Utility Model Registration] A ceramic sintered body made of a dielectric material, which are arranged so as to overlap each other with a ceramic layer interposed in the ceramic sintered body,
and a multilayer capacitor comprising a plurality of internal electrodes drawn out alternately on a pair of end faces of a ceramic sintered body, and a pair of external electrodes formed on the pair of end faces of the ceramic sintered body, wherein the internal electrodes are , an extraction electrode portion disposed near the end surface from which the internal electrode is drawn out, and a width extending from the extraction electrode portion toward the other end surface side, which is wider than the width of the portion of the extraction electrode portion that is drawn out to the end surface. A multilayer capacitor comprising a folded electrode part having a narrow electrode part and at least one folded part.