JPS6225877Y2 - - Google Patents
Info
- Publication number
- JPS6225877Y2 JPS6225877Y2 JP1980083298U JP8329880U JPS6225877Y2 JP S6225877 Y2 JPS6225877 Y2 JP S6225877Y2 JP 1980083298 U JP1980083298 U JP 1980083298U JP 8329880 U JP8329880 U JP 8329880U JP S6225877 Y2 JPS6225877 Y2 JP S6225877Y2
- Authority
- JP
- Japan
- Prior art keywords
- cap
- shaped
- terminal
- mushroom
- external terminal
- 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.)
- Expired
Links
- 229910052573 porcelain Inorganic materials 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 14
- 239000003985 ceramic capacitor Substances 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000007772 electroless plating Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Ceramic Capacitors (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Description
【考案の詳細な説明】
この考案はアキシヤルリードタイプあるいはチ
ツプタイプのセラミツクコンデンサに関するもの
である。[Detailed Description of the Invention] This invention relates to an axial lead type or chip type ceramic capacitor.
セラミツクコンデンサの形状には大きく分けて
ラジアルリードタイプのものとアキシヤルリード
タイプのものがある。このうちアキシヤルリード
タイプのコンデンサはラジアルリードタイプのも
のにくらべて、テーピングなどに固着してプリン
ト基板などへ装着する際に容易に自動組立ができ
るため、利用頻度が多くなつている。また、アキ
シヤルリードタイプのものはリード線なしとする
ことによりチツプタイプのコンデンサとなり、プ
リント基板への接続に適したものとなる。 Ceramic capacitors are broadly divided into radial lead types and axial lead types. Among these, axial lead type capacitors are being used more frequently than radial lead type capacitors because they can be easily assembled automatically when attached to a printed circuit board or the like by being fixed to tape or the like. Furthermore, the axial lead type capacitor has no lead wire, making it a chip type capacitor and suitable for connection to a printed circuit board.
したがつて、この考案は改良を加えたアキシヤ
ルリードタイプのセラミツクコンデンサを提供す
ることを目的とする。 Therefore, the object of this invention is to provide an improved axial lead type ceramic capacitor.
また、この考案はチツプタイプとすることもで
きるセラミツクコンデンサを提供することを目的
とする。 Another object of this invention is to provide a ceramic capacitor which can also be of chip type.
さらにこの考案は大きな強度を有するセラミツ
クコンデンサを提供することを目的とする。 A further object of this invention is to provide a ceramic capacitor with high strength.
すなわち、この考案の要旨とするところは、貫
通孔を有する筒状誘電体磁器の内外側面に内側電
極、外側電極が形成され、前記筒状誘電体磁器の
貫通孔に、この貫通孔の径にほぼ等しい径の内導
軸を一端に有するとともに、他端に頭部を有する
キノコ状内部端子の該内導軸が圧入されている一
方、筒状誘電体磁器の外側電極と電気接触してキ
ヤツプ状外部端子が筒状誘電体磁器に冠着されて
おり、前記キノコ状内部端子の頭部と前記キヤツ
プ状外部端子のキヤツプ部分の形状をほぼ同形状
にしたことを特徴とするものである。 That is, the gist of this invention is that an inner electrode and an outer electrode are formed on the inner and outer surfaces of a cylindrical dielectric porcelain having a through hole, and that a diameter of the cylindrical dielectric porcelain is formed in the through hole of the cylindrical dielectric porcelain. The mushroom-shaped inner terminal has an inner shaft of approximately equal diameter at one end and a head at the other end, and the inner shaft is press-fitted, while the inner shaft is in electrical contact with the outer electrode of the cylindrical dielectric porcelain to form a cap. A shaped external terminal is mounted on a cylindrical dielectric porcelain, and the shape of the head of the mushroom-shaped internal terminal and the cap part of the cap-shaped external terminal are substantially the same.
以下この考案を図示した実施例に従つて説明す
る。 This invention will be described below with reference to illustrated embodiments.
第１図において、１は筒状誘電体磁器で、一端
から他端に通じる貫通孔２を有し、内外側面には
内側電極３、外側電極４が形成されている。この
誘電体磁器１は筒状であれば、円筒状のほか角形
状であつてもよい。また、内側電極３、外側電極
４は、ニツケル、銅などの無電解メツキ被膜ある
いは焼付け銀被膜よりなる。このとき無電解メツ
キ法あるいは銀ペーストの浸漬、焼付け処理によ
り形成された不要な電極、この場合両端面の電極
は研磨、エツチングなどにより除去される。 In FIG. 1, 1 is a cylindrical dielectric ceramic, which has a through hole 2 leading from one end to the other, and has an inner electrode 3 and an outer electrode 4 formed on its inner and outer surfaces. This dielectric ceramic 1 may have a cylindrical shape or a rectangular shape as long as it has a cylindrical shape. Further, the inner electrode 3 and the outer electrode 4 are made of electroless plating film of nickel, copper, etc. or baked silver film. At this time, unnecessary electrodes formed by electroless plating, silver paste dipping, and baking treatment, in this case electrodes on both end faces, are removed by polishing, etching, or the like.
５は外部端子で、誘電体磁器１の貫通孔２に圧
入されるべく、この貫通孔２の径にほぼ等しい内
導軸６を一端に有するとともに、この内導軸６の
圧入寸法を規定するための係止部７ａとなる側面
がある頭部７を他端に有するキノコ状となつてい
る。このキノコ状内部端子５は中空状でも中実状
であつてもよい。図面から内部端子５は内側電極
３と電気接触している。このとき内部端子５の頭
部７が外側電極４に電気接触して内部電極３との
短絡が懸念されるときは、図示したように、誘電
体磁器１の開口端１ａと内部端子５の頭部７との
間に絶縁スペーサ８を介在させればよい。 Reference numeral 5 denotes an external terminal, which has an inner guide shaft 6 at one end that is approximately equal to the diameter of the through hole 2 so as to be press-fitted into the through hole 2 of the dielectric ceramic 1, and defines the press-fit dimensions of the inner guide shaft 6. It has a mushroom shape with a head 7 at the other end, which has a side surface that serves as a locking part 7a. This mushroom-shaped internal terminal 5 may be hollow or solid. As can be seen from the drawings, the inner terminal 5 is in electrical contact with the inner electrode 3. At this time, if there is a concern that the head 7 of the internal terminal 5 may come into electrical contact with the outer electrode 4 and cause a short circuit with the internal electrode 3, the open end 1a of the dielectric ceramic 1 and the head of the internal terminal 5 should be An insulating spacer 8 may be interposed between the portion 7 and the portion 7.
９はキヤツプ状外部端子で、誘電体磁器１の外
側電極４と電気接触するよう誘電体磁器１の一端
に冠着され、キヤツプ状外部端子９の開口端が半
田などで外部電極４に固着されている。１０は絶
縁スペーサで、内側電極３との短絡が生じないよ
うに誘電体磁器１の一端とキヤツプ状外部端子９
の内底部の間に介在させたもので、必要に応じて
省略してもよい。１１は絶縁材で、上記した構成
からなるセラミツクコンデンサの内部端子５、外
部端子９を除いて外表面を絶縁被覆したものであ
る。 A cap-shaped external terminal 9 is attached to one end of the dielectric ceramic 1 so as to be in electrical contact with the outer electrode 4 of the dielectric ceramic 1, and the open end of the cap-shaped external terminal 9 is fixed to the external electrode 4 with solder or the like. ing. 10 is an insulating spacer that connects one end of the dielectric ceramic 1 with a cap-shaped external terminal 9 to prevent short circuit with the inner electrode 3.
It is interposed between the inner bottom of the holder, and may be omitted if necessary. Reference numeral 11 denotes an insulating material whose outer surface, except for the internal terminals 5 and external terminals 9, of the ceramic capacitor constructed as described above is coated with insulation.
第２図はこの考案の他の実施例を示したもの
で、誘電体磁器１の内側電極３を誘電体磁器１の
開口端１ａを経て外側面の一部まで折り返し、外
側電極４とキヤツプをおいて形成したものであ
る。また、キノコ状内部端子５とキヤツプ状外部
端子９のそれぞれの端面の中心に一軸線上にリー
ド線１１，１２を突設し、アキシヤルリードタイ
プとしたものである。その他の構成と特徴は第１
図のものとほぼ同じであるので説明は省略する。 FIG. 2 shows another embodiment of this invention, in which the inner electrode 3 of the dielectric ceramic 1 is folded back to a part of the outer surface through the open end 1a of the dielectric ceramic 1, and the outer electrode 4 and the cap are connected. It was formed after Furthermore, lead wires 11 and 12 are provided protruding from the center of each end face of the mushroom-shaped internal terminal 5 and the cap-shaped external terminal 9 on a uniaxial line, making it an axial lead type. Other configurations and features are the first
Since it is almost the same as the one shown in the figure, the explanation will be omitted.
なお、上記した各実施例のほか、キノコ状内部
端子５の内導軸６の先端がキヤツプ状外部端子９
側にまで延出し、誘電体磁器１を介して内部端子
５と外部端子９が相対向するようにすれば、キヤ
ツプ状外部端子９を誘電体磁器１に冠着しようと
するとき、誘電体磁器１の貫通孔２に内部端子５
の内導軸６が圧入されているため、誘電体磁器１
の貫通孔２に向つて加えられる径方向の力に抗す
ることができ、誘電体磁器１の割れを防止するこ
とができる。 In addition to the above-mentioned embodiments, the tip of the inner guide shaft 6 of the mushroom-shaped internal terminal 5 is a cap-shaped external terminal 9.
If the internal terminal 5 and the external terminal 9 are made to face each other through the dielectric porcelain 1, when the cap-shaped external terminal 9 is to be attached to the dielectric porcelain 1, the dielectric porcelain Insert the internal terminal 5 into the through hole 2 of 1.
Since the inner guide shaft 6 of the dielectric ceramic 1 is press-fitted,
It is possible to resist the radial force applied toward the through hole 2, and it is possible to prevent the dielectric ceramic 1 from cracking.
また、第３図に示したように、内部端子５の幅
l1と外部端子９の幅l2をほぼ同じくし、形状も同
じようにすれば、方向性をなくすることができ、
方向性を何ら問題にする必要がないため、テーピ
ング工程における取り扱いが簡単になるという利
点がある。 In addition, as shown in FIG. 3, the width of the internal terminal 5
By making the width l 1 and the external terminal 9 almost the same width l 2 and the same shape, the directionality can be eliminated.
Since there is no need to worry about directionality, there is an advantage that handling in the taping process is simplified.
さらにまた、第２図に示したアキシヤルリード
タイプの場合については、リード線を残して絶縁
被覆してもよい。 Furthermore, in the case of the axial lead type shown in FIG. 2, the lead wires may be left and insulated coated.
以上この考案によれば、筒状誘電体磁器の貫通
孔に、この貫通孔の径にほぼ等しい径の内導軸を
有し、他端に頭部を有するキノコ状内部端子の該
内導軸が圧入され、一方筒状誘電体磁器の外側電
極と電気接触するキヤツプ状端子が筒状誘電体磁
器に冠着されたものからなり、内部端子が貫通孔
に圧入されているから、外部から加わる圧力によ
り誘電体磁器の割れ、破損を防止することができ
る。またキノコ状内部端子の頭部とキヤツプ状外
部端子のキヤツプ部の形状がほぼ同じであるた
め、方向性のないコンデンサが得られ、テーピン
グ時や回路基板への接続時に方向性を気遺わなく
てすむことになる。 As described above, according to this invention, the through hole of the cylindrical dielectric ceramic has an inner guide shaft having a diameter approximately equal to the diameter of the through hole, and the inner guide shaft of the mushroom-shaped inner terminal has a head at the other end. is press-fitted, and a cap-shaped terminal that makes electrical contact with the outer electrode of the cylindrical dielectric porcelain is capped on the cylindrical dielectric porcelain.The inner terminal is press-fitted into the through hole, so that no electrical power is applied from the outside. It is possible to prevent dielectric porcelain from cracking or breaking due to pressure. In addition, since the shape of the head of the mushroom-shaped internal terminal and the cap part of the cap-shaped external terminal are almost the same, a capacitor with no directionality can be obtained, so there is no need to worry about directionality when taping or connecting to a circuit board. I'll have to wait a while.
第１図はこの考案の一実施例を示す一部断面側
面図、第２図は同じく他の実施例を示す一部断面
側面図、第３図はこの考案の一例にかかるセラミ
ツクコンデンサの外観斜視図である。
１……筒状誘電体磁器、２……貫通孔、３……
内側電極、４……外側電極、５……キノコ状内部
端子、６……内導軸、７……頭部、９……キヤツ
プ状外部端子。
Fig. 1 is a partially sectional side view showing one embodiment of this invention, Fig. 2 is a partially sectional side view showing another embodiment, and Fig. 3 is a perspective view of the external appearance of a ceramic capacitor according to an example of this invention. It is a diagram. 1... Cylindrical dielectric ceramic, 2... Through hole, 3...
Inner electrode, 4... Outer electrode, 5... Mushroom-shaped internal terminal, 6... Inner conductive shaft, 7... Head, 9... Cap-shaped external terminal.
Claims (1)
内側電極、外側電極が形成され、前記筒状誘電
体磁器の貫通孔に、この貫通孔の径にほぼ等し
い径の内導軸を一端に有するとともに、他端に
頭部を有するキノコ状内部端子の該内導軸が圧
入されている一方、筒状誘電体磁器の外側電極
と電気接触してキヤツプ状外部端子が筒状誘電
体磁器に冠着されており、前記キノコ状内部端
子の頭部と前記キヤツプ状外部端子のキヤツプ
部分の形状をほぼ同形状にしたことを特徴とす
るセラミツクコンデンサ。 (2) キノコ状内部端子の内導軸の先端がキヤツプ
状外部端子側にまで延出し、筒状誘電体磁器を
介してキノコ状内部端子とキヤツプ状外部端子
が相対向していることを特徴とする実用新案登
録請求の範囲１項記載のセラミツクコンデン
サ。[Claims for Utility Model Registration] (1) An inner electrode and an outer electrode are formed on the inner and outer surfaces of a cylindrical dielectric porcelain having a through hole, and an electrode is formed in the through hole of the cylindrical dielectric porcelain with a diameter of the through hole. The mushroom-shaped inner terminal has an inner shaft of approximately equal diameter at one end and a head at the other end, and the inner shaft is press-fitted, while the inner shaft is in electrical contact with the outer electrode of the cylindrical dielectric porcelain to form a cap. A ceramic capacitor characterized in that a shaped external terminal is mounted on a cylindrical dielectric ceramic, and the shape of the head of the mushroom-shaped internal terminal and the cap part of the cap-shaped external terminal are substantially the same. (2) The tip of the inner conductive shaft of the mushroom-shaped internal terminal extends to the cap-shaped external terminal side, and the mushroom-shaped internal terminal and the cap-shaped external terminal face each other through the cylindrical dielectric porcelain. A ceramic capacitor according to claim 1 of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980083298U JPS6225877Y2 (en) | 1980-06-13 | 1980-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980083298U JPS6225877Y2 (en) | 1980-06-13 | 1980-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS578732U JPS578732U (en) | 1982-01-18 |
| JPS6225877Y2 true JPS6225877Y2 (en) | 1987-07-02 |
Family
ID=29445623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980083298U Expired JPS6225877Y2 (en) | 1980-06-13 | 1980-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6225877Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337049B2 (en) * | 1975-03-26 | 1978-10-06 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6035227Y2 (en) * | 1976-09-06 | 1985-10-19 | 株式会社村田製作所 | cylindrical capacitor |
-
1980
- 1980-06-13 JP JP1980083298U patent/JPS6225877Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337049B2 (en) * | 1975-03-26 | 1978-10-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS578732U (en) | 1982-01-18 |
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