JPH0444412B2 - - Google Patents
Info
- Publication number
- JPH0444412B2 JPH0444412B2 JP3666787A JP3666787A JPH0444412B2 JP H0444412 B2 JPH0444412 B2 JP H0444412B2 JP 3666787 A JP3666787 A JP 3666787A JP 3666787 A JP3666787 A JP 3666787A JP H0444412 B2 JPH0444412 B2 JP H0444412B2
- Authority
- JP
- Japan
- Prior art keywords
- capacitor element
- cathode terminal
- fuse
- exterior
- 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
- 239000003990 capacitor Substances 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Thermistors And Varistors (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は固体電解電解コンデンサの製造方法に
関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method of manufacturing a solid electrolytic capacitor.
（従来の技術）
タンタル電解コンデンサ等の固体電解コンデン
サは、従来、種々の電気機器に用いられている
が、破壊されると短絡電流が流れて機器が損傷す
る恐れがある。(Prior Art) Solid electrolytic capacitors such as tantalum electrolytic capacitors have been used in various electrical devices, but if they are destroyed, a short circuit current may flow and damage the devices.
そのために、第６図に示す通り、コンデンサ素
子１１の陰極面１２にヒユーズ１３を接続すると
ともにこのヒユーズ１３の端に陰極端子１４を接
続して外装１５を形成する構成としたコンデンサ
が公知である。 To this end, as shown in FIG. 6, a capacitor is known in which a fuse 13 is connected to the cathode surface 12 of a capacitor element 11, and a cathode terminal 14 is connected to the end of this fuse 13 to form an exterior 15. .
（発明が解決しようとする問題点）
しかし、このヒユーズ付きのコンデンサでは、
モールド外装する場合に注入される樹脂の圧力に
より容易にヒユーズ１３が変形し、コンデンサ素
子１１の位置がズレる欠点があり、取り扱いも困
難である欠点があつた。(Problem to be solved by the invention) However, with this capacitor with a fuse,
There are disadvantages in that the fuse 13 is easily deformed by the pressure of the resin injected during mold packaging, the position of the capacitor element 11 is shifted, and handling is also difficult.
本発明は、以上の欠点を改良し、端子の位置決
めを正確に行なえ、製造の容易な固体電解コンデ
ンサの製造方法が得られる。 The present invention improves the above-mentioned drawbacks, provides a method for manufacturing a solid electrolytic capacitor that allows accurate positioning of terminals, and is easy to manufacture.
（問題点を解決するための手段）
本発明は、上記の目的を達成するために、コン
デンサ素子に端子を接続し樹脂外装を形成した固
体コンデンサの製造方法において、孔と該孔内に
設けられた互いに対向する突出部とを有する陰極
端子を前記孔の２個所で折曲する工程と、該工程
後に前記突出部間にヒユーズを接続する工程と、
該工程後に前記陰極端子にコンデンサ素子を接続
するとともに該コンデンサ素子に陽極端子を接続
する工程と、該工程後に前記コンデンサ素子及び
前記ヒユーズを樹脂被覆して外装を形成する工程
と、該工程後に前記陰極端子の前記外装から露出
している前記突出部の両側を切断する工程とを行
なうことを特徴とする固体電解コンデンサの製造
方法を提供するものである。(Means for Solving the Problems) In order to achieve the above object, the present invention provides a method for manufacturing a solid capacitor in which a terminal is connected to a capacitor element and a resin exterior is formed. a step of bending a cathode terminal having protrusions facing each other at two places in the hole; and a step of connecting a fuse between the protrusions after the step;
After this process, a process of connecting a capacitor element to the cathode terminal and connecting an anode terminal to the capacitor element, a process of coating the capacitor element and the fuse with resin to form an exterior after this process, and a process of forming an exterior after this process. The present invention provides a method for manufacturing a solid electrolytic capacitor, comprising the step of cutting both sides of the protrusion exposed from the exterior of the cathode terminal.
また、本発明は上記の目的を達成するために、
コンデンサ素子に端子を接続し樹脂外装を形成し
た固体電解コンデンサの製造方法において、孔と
該孔内に設けられた互いに対向する突出部とを有
する陰極端子の前記突出部間にヒユーズを接続す
る工程と、該工程後に前記陰極端子を前記孔の２
箇所で折曲する工程と、該工程後に前記陰極端子
にコンデンサ素子を接続するとともに該コンデン
サ素子に陽極端子を接続する工程と、該工程後に
前記コンデンサ素子及び前記ヒユーズを樹脂被覆
して外装を形成する工程と、該工程後に前記陰極
端子の前記外装から露出している前記突出部の両
側を切断する工程とを行なうことを特徴とする固
体電解コンデンサの製造方法を提供するものであ
る。 Furthermore, in order to achieve the above object, the present invention has the following features:
In a method for manufacturing a solid electrolytic capacitor in which a terminal is connected to a capacitor element and a resin sheath is formed, a step of connecting a fuse between the protrusions of a cathode terminal having a hole and mutually opposing protrusions provided in the hole. After this step, the cathode terminal is inserted into two of the holes.
a step of bending the capacitor element at a certain point; a step of connecting a capacitor element to the cathode terminal after the step and a step of connecting an anode terminal to the capacitor element; and forming an exterior by coating the capacitor element and the fuse with a resin after the step. The present invention provides a method for manufacturing a solid electrolytic capacitor, comprising the steps of: cutting both sides of the protrusion exposed from the exterior of the cathode terminal after the step.
（作用）
本発明によれば、ヒユーズを直接コンデンサ素
子に接続することなく、樹脂外装を形成後に、陰
極端子の一部を切断して、ヒユーズのみによりコ
ンデンサ素子と陰極端子とを接続する構成として
いるために、コンデンサ素子の位置決めが正確に
行なえ、製造が容易になる。(Function) According to the present invention, the structure is such that the cathode terminal is partially connected after forming the resin sheath without directly connecting the fuse to the capacitor element, and the capacitor element and the cathode terminal are connected only by the fuse. This makes it possible to accurately position the capacitor element and facilitate manufacturing.
（実施例）
以下、本発明の実施例を図面に基づいて説明す
る。(Example) Hereinafter, an example of the present invention will be described based on the drawings.
先ず、第１図に示す通り、切欠孔１を有し、こ
の孔１の互いに対向する２箇所に突出部２及び３
が設けられた陰極端子４を製造する。 First, as shown in FIG.
A cathode terminal 4 is manufactured.
次に、第２図に示す通り、この陰極端子４を孔
１の２箇所で折り曲げて突出部２と突出部３との
間にヒユーズ５を接続するか、逆に突出部２及び
３間にヒユーズ５を接続後に陰極端子４を孔１の
２箇所でヒユーズ５とともに折り曲げる。ヒユー
ズ５の突出部２及び３への接続は溶接により行な
う。 Next, as shown in FIG. 2, the cathode terminal 4 is bent at two points in the hole 1 and the fuse 5 is connected between the protrusions 2 and 3, or conversely, the fuse 5 is connected between the protrusions 2 and 3. After connecting the fuse 5, the cathode terminal 4 is bent together with the fuse 5 at two locations in the hole 1. The fuse 5 is connected to the projections 2 and 3 by welding.
陰極端子４を成形後、第３図に示す通り、陰極
端子１０にコンデンサ素子６を導電性接着剤によ
り接続する。コンデンサ素子６はタンタル粉末か
らなりタンタル線７が引き出された焼結体に酸化
皮膜、二酸化マンガン層、カーボン層、銀層、半
田層を順次形成したもので、最外装の半田層が陰
極端子４に接続されている。また、タンタル線７
には陽極端子８が接続されている。 After molding the cathode terminal 4, as shown in FIG. 3, the capacitor element 6 is connected to the cathode terminal 10 using a conductive adhesive. The capacitor element 6 is made of tantalum powder, and an oxide film, a manganese dioxide layer, a carbon layer, a silver layer, and a solder layer are sequentially formed on a sintered body from which a tantalum wire 7 is drawn, and the outermost solder layer is the cathode terminal 4. It is connected to the. Also, tantalum wire 7
An anode terminal 8 is connected to.
陰極端子１０にコンデンサ素子６を接続後、第
４図に示す通り、樹脂モールドして外装９を設
け、コンデンサ素子６と陰極端子１０の一部、ヒ
ユーズ５及び陽極端子８の一部を樹脂で被覆す
る。 After connecting the capacitor element 6 to the cathode terminal 10, as shown in FIG. Cover.
外装９形成後、第５図に示す通り、陰極端子１
０の突出部２の両側２Ａ，２Ｂを外装９の面で切
断し除法する。これにより、コンデンサ素子６と
陰極端子１０とがヒユーズ５のみによつて接続さ
れる構成となる。 After forming the exterior 9, as shown in FIG.
Both sides 2A and 2B of the protrusion 2 of No. 0 are cut and divided by the surface of the exterior 9. This results in a configuration in which the capacitor element 6 and the cathode terminal 10 are connected only by the fuse 5.
すなわち、本発明によれば、ヒユーズ５を樹脂
外装９で固定した後に、陰極端子１０の一部を切
断して、コンデンサ素子６と陰極端子１０とをヒ
ユーズ５を介して接続しているために、樹脂外装
９形成前あるいは形成中にヒユーズ５が変形して
コンデンサ素子６の位置がズレたりする不良を防
止でき、また、取り扱いも容易になる。 That is, according to the present invention, after the fuse 5 is fixed with the resin sheath 9, a part of the cathode terminal 10 is cut off, and the capacitor element 6 and the cathode terminal 10 are connected via the fuse 5. It is possible to prevent defects such as the fuse 5 being deformed and the position of the capacitor element 6 being shifted before or during the formation of the resin sheath 9, and handling is also facilitated.
（発明の効果）
以上の通り、本発明によれば、ヒユーズの変形
による陰極端子の位置ズレを防止でき、製造の容
易なかつ保安装置付きとして信頼性の高い固体電
解コンデンサが得られる。(Effects of the Invention) As described above, according to the present invention, it is possible to prevent displacement of the cathode terminal due to deformation of the fuse, and to obtain a solid electrolytic capacitor that is easy to manufacture and has a safety device and is highly reliable.
第１図〜第５図は本発明の実施例の製造工程を
示し、第１図は陰極端子の平面図、第２図は陰極
端子を折曲しヒユーズを接続した状態の斜視図、
第３図はコンデンサ素子に陰極端子を接続した状
態の正面図、第４図は樹脂外装を設けた状態の平
面断面図、第５図は、陰極端子の一部を切断した
状態の平面断面図を示し、第６図は従来の固体電
解コンデンサの平面断面図を示す。
１……コンデンサ素子、２……陰極端子、３…
…孔、４……突出部、５……ヒユーズ、６……樹
脂外装。
1 to 5 show the manufacturing process of an embodiment of the present invention, FIG. 1 is a plan view of the cathode terminal, FIG. 2 is a perspective view of the cathode terminal bent and connected to the fuse,
Fig. 3 is a front view of the cathode terminal connected to the capacitor element, Fig. 4 is a cross-sectional plan view of the resin sheath provided, and Fig. 5 is a cross-sectional plan view of the cathode terminal partially cut away. 6 is a plan sectional view of a conventional solid electrolytic capacitor. 1... Capacitor element, 2... Cathode terminal, 3...
... hole, 4 ... protrusion, 5 ... fuse, 6 ... resin exterior.
Claims (1)
成した固体電解コンデンサの製造方法において、
切欠孔と該孔内に設けられた互いに対向する突出
部とを有する陰極端子を前記孔の２箇所で折曲す
る工程と、該工程後に前記突出部間にヒユーズを
接続する工程と、該工程後に前記陰極端子にコン
デンサ素子を接続するとともに該コンデンサ素子
に陽極端子を接続する工程と、該工程後に前記コ
ンデンサ素子及び前記ヒユーズを樹脂被覆して外
装を形成する工程と、該工程後に前記陰極端子の
前記外装から露出している前記突出部の両側を切
断する工程とを行なうことを特徴とする固体電解
コンデンサの製造方法。 ２ コンデンサ素子に端子を接続し樹脂外装を形
成した固体電解コンデンサの製造方法において、
切欠孔と該孔内に設けられ互いに対向する突出部
とを有する陰極端子の前記突出部間にヒユーズを
接続する工程と、該工程後に前記陰極端子を前記
孔の２箇所で折曲する工程と、該工程後に前記陰
極端子にコンデンサ素子を接続するとともに該コ
ンデンサ素子に陽極端子を接続する工程と、該工
程後に前記コンデンサ素子及び前記ヒユーズを樹
脂被覆して外装を形成する工程と、該工程後に前
記陰極端子の前記外装から露出している前記突出
部の両側を切断する工程とを行なうことを特徴と
する固体電解コンデンサの製造方法。[Claims] 1. A method for manufacturing a solid electrolytic capacitor in which a terminal is connected to a capacitor element and a resin exterior is formed,
a step of bending a cathode terminal having a notch hole and a mutually opposing protrusion provided in the hole at two points in the hole; a step of connecting a fuse between the protrusions after the step; Later, a step of connecting a capacitor element to the cathode terminal and also connecting an anode terminal to the capacitor element, a step of coating the capacitor element and the fuse with resin to form an exterior after this step, and a step of forming an exterior by coating the capacitor element and the fuse with a resin after this step, and connecting the cathode terminal after this step. A method for manufacturing a solid electrolytic capacitor, comprising: cutting both sides of the protrusion exposed from the exterior. 2. In a method for manufacturing a solid electrolytic capacitor in which a terminal is connected to a capacitor element and a resin exterior is formed,
a step of connecting a fuse between the protruding parts of a cathode terminal having a notched hole and a protruding part provided in the hole and facing each other; and a step of bending the cathode terminal at two points in the hole after the step. , a step of connecting a capacitor element to the cathode terminal and connecting an anode terminal to the capacitor element after the step, a step of coating the capacitor element and the fuse with a resin to form an exterior after the step, and after the step A method for manufacturing a solid electrolytic capacitor, comprising: cutting both sides of the protrusion exposed from the exterior of the cathode terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3666787A JPS63204611A (en) | 1987-02-19 | 1987-02-19 | Manufacture of solid electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3666787A JPS63204611A (en) | 1987-02-19 | 1987-02-19 | Manufacture of solid electrolytic capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63204611A JPS63204611A (en) | 1988-08-24 |
| JPH0444412B2 true JPH0444412B2 (en) | 1992-07-21 |
Family
ID=12476208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3666787A Granted JPS63204611A (en) | 1987-02-19 | 1987-02-19 | Manufacture of solid electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63204611A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2631375B2 (en) * | 1987-10-17 | 1997-07-16 | 松下電器産業株式会社 | Manufacturing method of electronic parts with fuse |
| JPH0287611A (en) * | 1988-09-26 | 1990-03-28 | Matsuo Denki Kk | Manufacture of solid electrolytic capacitor containing fuse and lead frame used for manufacturing same |
| JP2549404Y2 (en) * | 1989-07-28 | 1997-09-30 | マルコン電子 株式会社 | Solid electrolytic capacitors |
| JP2535489B2 (en) * | 1992-04-07 | 1996-09-18 | ローム株式会社 | Solid electrolytic capacitor |
-
1987
- 1987-02-19 JP JP3666787A patent/JPS63204611A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63204611A (en) | 1988-08-24 |
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