JPS5934621A - Laminated porcelain condenser - Google Patents
Laminated porcelain condenserInfo
- Publication number
- JPS5934621A JPS5934621A JP57144186A JP14418682A JPS5934621A JP S5934621 A JPS5934621 A JP S5934621A JP 57144186 A JP57144186 A JP 57144186A JP 14418682 A JP14418682 A JP 14418682A JP S5934621 A JPS5934621 A JP S5934621A
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- multilayer ceramic
- terminal electrode
- identification
- ceramic capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Ceramic Capacitors (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
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
【発明の詳細な説明】
発明の技術分野
本発明は積層磁器コンデンサに係シ、特に２ｎ＋１層（
但し？ＬＨ整数）の内部電極を有ししかも最外部内部電
極が接続される端子電極部の識別が可能な積層磁器コン
デンサに関するものである。DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to a multilayer ceramic capacitor, particularly a 2n+1 layer (
however? The present invention relates to a multilayer ceramic capacitor which has internal electrodes of LH (integer) and allows identification of the terminal electrode portion to which the outermost internal electrode is connected.
技術の背景
積層磁器コンデンサにおいては、内部電極層数は、要求
される容量によって決定され、２ｎ 、２ｎ＋ １（但
しｎは正の整数）で表わされる。この中で、２ｎ層数の
積層磁器コンデンサは、高周波においてノイズリミッタ
として使用する場合外来ノイズを怜いやすく、２ｎ＋１
層数の積層磁器コンデンサは、最外部内部電極か接続さ
れる端子電極部を接地すれば外来ノイズを防止すること
ができる。Background of the Technology In a multilayer ceramic capacitor, the number of internal electrode layers is determined by the required capacity, and is expressed as 2n, 2n+1 (where n is a positive integer). Among these, a multilayer ceramic capacitor with 2n layers can easily filter out external noise when used as a noise limiter at high frequencies, and 2n+1
In multilayer ceramic capacitors, external noise can be prevented by grounding the outermost internal electrode or the connected terminal electrode.
従来技術と問題点
ところが、従来は最外部内部電極が接続される端子電極
部の表示がないため実装上の困難がおった。Prior Art and Problems However, in the past, there was no indication of the terminal electrode portion to which the outermost internal electrode was connected, which caused difficulties in mounting.
発明の目的
本発明は上述の問題を解決するためのもので、２ｎ＋１
層の内部電極を備え最外部内部電極が接続される端子電
極部を容易に識別することのできる積層磁器コンデンサ
を提供することを目的としている。OBJECT OF THE INVENTION The present invention is intended to solve the above-mentioned problems.
It is an object of the present invention to provide a multilayer ceramic capacitor that includes internal electrodes of layers and allows easy identification of the terminal electrode portion to which the outermost internal electrode is connected.
発明の栴成
本発明では、上述の目的を達成するため、コンデンサの
表、裏面の少なくともいずれか一方に、最外部内部電極
が接続される端子電極部を明示する識別部を設けている
。According to the present invention, in order to achieve the above-mentioned object, an identification portion is provided on at least one of the front and back surfaces of the capacitor to clearly indicate the terminal electrode portion to which the outermost internal electrode is connected.
発明の実施例 以下、図面に関連して本発明の詳細な説明する。Examples of the invention The invention will now be described in detail in conjunction with the drawings.
第１図は本発明に係る積層磁器コンデンサの概要を示す
横断面図で、１は２ｎ＋１層の内部電極、２．６は端子
電極部である。上方から数えて奇数番目の各内部電極（
最外部の内部電極を含む）１は接地側の端子電極部２に
接続され、その他の各内部電極１は端子電極３に接続さ
れている。FIG. 1 is a cross-sectional view showing an outline of a multilayer ceramic capacitor according to the present invention, in which 1 is an internal electrode of 2n+1 layers, and 2.6 is a terminal electrode portion. Each odd-numbered internal electrode (counting from the top)
(including the outermost internal electrode) 1 is connected to a terminal electrode section 2 on the ground side, and each of the other internal electrodes 1 is connected to a terminal electrode 3.
このコンデンサの表、裏面の少なくともいずれか一方に
は、第２図に詳細を示すように、端子電極部２に隣接す
る識別部４が設けられている。As shown in detail in FIG. 2, an identification portion 4 adjacent to the terminal electrode portion 2 is provided on at least one of the front and back surfaces of this capacitor.
この識別部４の形成は次の各種の方法によシ形成するこ
とができる。The identification portion 4 can be formed by the following various methods.
（１） コンデンサ積層時に、コンデンサ焼成温度の
１３００〜１４００℃で溶融しないＡｕ、Ｐｄ、Ｐｔ等
の貴金属を用いスクリーン印刷等によシバターニングを
行って識別部を形成する。(1) When laminating the capacitor, the identification portion is formed by screen printing or other similar noble metals such as Au, Pd, and Pt that do not melt at the capacitor firing temperature of 1,300 to 1,400°C.
（２） コンデンサ本体磁器と色が異な如しかもコン
デンサ特性を損なわない磁器粉末を用い、これをペース
ト状にして生シートに印刷するかまたはこれをシート状
にしたものをパンチングし生シートに貼シ付けることに
よシ識別部を形成する。(2) Use porcelain powder that is different in color from the capacitor body porcelain but does not impair the capacitor characteristics, and print it on a raw sheet by making it into a paste, or punching this into a sheet and pasting it on the raw sheet. By attaching it, an identification part is formed.
（３） コンデンサの表面に、積層時の終υ（または
始めと終シ）に、コンデンサと同一の磁器を用いて印刷
また１パンチングによシある一定のパターンを形成した
層を付着せしめて識別部を形成する。(3) On the surface of the capacitor, a layer formed in a certain pattern by printing or punching using the same porcelain as the capacitor is attached to the end υ (or the beginning and end) of the lamination process to identify the capacitor. form a section.
このような方法によれば、同シート中において識別部の
パターン化を行うことができるだめ、コンデンサチップ
を焼成後に樹脂等によシ識別部を形成するよシも工数が
少なくてすむ。According to such a method, since the identification portion can be patterned in the same sheet, the number of man-hours required for forming the identification portion using resin or the like after firing the capacitor chip can be reduced.
発明の効果
以上述べたように、本発明によれば、２ｎ＋１層の内部
電極の内の最外部の内部電極に接続される端子電極部を
明示する識別部が表面に形成されているため、特別なチ
ェックを必要とせずに容易に該端子電極部を識別するこ
とができ、該端子電極部を接地側とする実装を容易かつ
確実に行って外来ノイズの防止をはかることが可能であ
る。また、この識別部を上述したような方法によシ焼成
前に行うようにすれば識別部形成工数を低減することが
できる。Effects of the Invention As described above, according to the present invention, since an identification part is formed on the surface to clearly indicate the terminal electrode part connected to the outermost internal electrode among the internal electrodes of the 2n+1 layer, special The terminal electrode portion can be easily identified without the need for extensive checking, and mounting with the terminal electrode portion on the ground side can be easily and reliably performed to prevent external noise. Further, if the identification portion is formed by the method described above before firing, the number of steps for forming the identification portion can be reduced.
図面は本発明に係る積層磁器コンデンサの実施例を示す
もので、第１図はコンデンサの概要を示す横断面図、第
２図は同外観斜視図である。
図中、１は２ｎ＋１層の内部箱、極、２，６は端子孔。
極部、４は識別部である。
特許出願人 富士通株式会社
代理人 弁理士 玉蟲久五部 （外３名）第１ｒｇＪ
第 ２ 面The drawings show an embodiment of a multilayer ceramic capacitor according to the present invention, and FIG. 1 is a cross-sectional view showing an outline of the capacitor, and FIG. 2 is a perspective view of the same external appearance. In the figure, 1 is an internal box of 2n+1 layers, poles, and 2 and 6 are terminal holes. The pole part 4 is an identification part. Patent Applicant: Fujitsu Limited Agent Patent Attorney: Gobe Tamamushi (3 others) 1st rgJ, 2nd page
Claims (1)
デンサにおいて、前記内部電極の層数を２ｎ＋１ （但
しｎは正の整数）とし、かつ該コンデンサの表、裏面の
少なくともいずれか一方に、最外部の内部電極が接続さ
れる前記端子電極部を明示する識別部を形成したことを
特徴とする積層磁器コンデンサ。In a multilayer ceramic capacitor having a plurality of internal electrodes and a pair of terminal electrodes, the number of layers of the internal electrodes is 2n+1 (where n is a positive integer), and at least one of the front and back surfaces of the capacitor is provided with: A multilayer ceramic capacitor characterized in that an identification part is formed to clearly indicate the terminal electrode part to which the outermost internal electrode is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57144186A JPS5934621A (en) | 1982-08-20 | 1982-08-20 | Laminated porcelain condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57144186A JPS5934621A (en) | 1982-08-20 | 1982-08-20 | Laminated porcelain condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5934621A true JPS5934621A (en) | 1984-02-25 |
Family
ID=15356197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57144186A Pending JPS5934621A (en) | 1982-08-20 | 1982-08-20 | Laminated porcelain condenser |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5934621A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004088688A1 (en) * | 2003-03-31 | 2004-10-14 | Matsushita Electric Industrial Co., Ltd. | Composite electronic component |
| US7974072B2 (en) * | 2006-12-29 | 2011-07-05 | Samsung Electro-Mechanics Co., Ltd. | Multilayer capacitor array |
| WO2012121282A1 (en) * | 2011-03-09 | 2012-09-13 | 株式会社 村田製作所 | Ultraviolet sensor and method for manufacturing ultraviolet sensor |
| JP2020043220A (en) * | 2018-09-11 | 2020-03-19 | 太陽誘電株式会社 | Multilayer ceramic capacitor, package thereof, and component mounting circuit board |
-
1982
- 1982-08-20 JP JP57144186A patent/JPS5934621A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004088688A1 (en) * | 2003-03-31 | 2004-10-14 | Matsushita Electric Industrial Co., Ltd. | Composite electronic component |
| US7974072B2 (en) * | 2006-12-29 | 2011-07-05 | Samsung Electro-Mechanics Co., Ltd. | Multilayer capacitor array |
| WO2012121282A1 (en) * | 2011-03-09 | 2012-09-13 | 株式会社 村田製作所 | Ultraviolet sensor and method for manufacturing ultraviolet sensor |
| US9064987B2 (en) | 2011-03-09 | 2015-06-23 | Murata Manufacturing Co., Ltd. | Photodiode-type ultraviolet sensor having a stacked structure and method for producing the same |
| JP2020043220A (en) * | 2018-09-11 | 2020-03-19 | 太陽誘電株式会社 | Multilayer ceramic capacitor, package thereof, and component mounting circuit board |
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