JPH0350408B2 - - Google Patents
Info
- Publication number
- JPH0350408B2 JPH0350408B2 JP1926986A JP1926986A JPH0350408B2 JP H0350408 B2 JPH0350408 B2 JP H0350408B2 JP 1926986 A JP1926986 A JP 1926986A JP 1926986 A JP1926986 A JP 1926986A JP H0350408 B2 JPH0350408 B2 JP H0350408B2
- Authority
- JP
- Japan
- Prior art keywords
- cathode terminal
- fuse
- capacitor element
- capacitor
- solid electrolytic
- 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 27
- 239000011347 resin Substances 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 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
- 238000000465 moulding 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
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Fuses (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４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
も考えられている。 Therefore, as shown in FIG. 4, a capacitor has been considered in which a fuse 13 is connected to the cathode surface 12 of the capacitor element 11, and a cathode terminal 14 is connected to the end of the fuse 13 to form an exterior 15. There is.
（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、陰極端子１４
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,
The fuse 13 is easily deformed by the pressure of the resin injected when it is packaged with a mold, and the cathode terminal 14 is easily deformed.
It has the disadvantage that the position of the device is misaligned, and it is difficult to handle.
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
体電解コンデンサの製造方法において、一部が突
出している孔と該孔を横切つて該突出部と他の部
分との間に接続されたヒユーズを有する陰極端子
をコンデンサ素子に接続する工程と、該工程後に
前記ヒユーズを被覆して樹脂外装を形成する工程
と、該工程後に前記陰極端子の前記突出部の両側
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 electrolytic capacitor in which a terminal is connected to a capacitor element and a resin exterior is formed. and a step of connecting a cathode terminal having a fuse connected between the protrusion and another portion across the hole to the capacitor element, and after the step, covering the fuse to form a resin sheath. and, after this step, a step of cutting both sides of the protruding portion of the cathode terminal is provided.
（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、陰極端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 cathode terminal 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、タンタル粉末からなりタンタル線が引き
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、コンデ
ンサ素子を造る。 First, an oxide film, a manganese dioxide layer, a manganese dioxide layer,
A carbon layer, a silver layer, and a solder layer are sequentially formed to create a capacitor element.
次に、第１図に示す通り、コンデンサ素子１の
半田層に陰極端子２を接続する。陰極端子２は、
孔３を有し、その一部に突出部４が設けられてい
る。そして突出部４とその孔３の反対側との間に
ヒユーズ５が接続されている。 Next, as shown in FIG. 1, the cathode terminal 2 is connected to the solder layer of the capacitor element 1. Cathode terminal 2 is
It has a hole 3, and a protrusion 4 is provided in a part thereof. A fuse 5 is connected between the protrusion 4 and the opposite side of the hole 3.
陰極端子２をコンデンサ素子１に接続後、第２
図に示す通りコンデンサ素子１とヒユーズ５とを
被覆するようにエポキシ等の樹脂をモールド成形
し、樹脂外装６を設ける。 After connecting the cathode terminal 2 to the capacitor element 1, the second
As shown in the figure, a resin sheath 6 is provided by molding a resin such as epoxy so as to cover the capacitor element 1 and the fuse 5.
さらに、第３図に示す通り、陰極端子２の突出
部４の両側を、樹脂外装６の表面の部分で切断す
る。これによつて、コンデンサ素子１と陰極端子
２とをヒユーズ５のみによつて接続する構成とす
る。 Further, as shown in FIG. 3, both sides of the protrusion 4 of the cathode terminal 2 are cut at the surface of the resin sheath 6. This provides a configuration in which the capacitor element 1 and the cathode terminal 2 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６で固定した後に、陰極端子２の一部を切断
して、コンデンサ素子１と陰極端子２とをヒユー
ズ５を介して接続しているために、樹脂外装６形
成前あるいは形成中にヒユーズ５が変形して陰極
端子２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 6, a part of the cathode terminal 2 is cut off, and the capacitor element 1 and the cathode terminal 2 are connected via the fuse 5. It is possible to prevent defects such as the fuse 5 being deformed and the cathode terminal 2 being displaced before or during the formation of the resin sheath 6, 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３図は本発明の実施例の製造工程を
示し、第１図はコンデンサ素子に陰極端子を接続
した状態の平面図、第２図は樹脂外装を設けた状
態の平面断面図、第３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４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。
Figures 1 to 3 show the manufacturing process of an embodiment of the present invention. Figure 1 is a plan view of a capacitor element with a cathode terminal connected to it, and Figure 2 is a sectional plane view of a state in which a resin sheath is provided. , FIG. 3 shows a plan sectional view with a part of the cathode terminal cut away, and FIG. 4 shows a plan sectional view of a conventional solid electrolytic capacitor. 1... Capacitor element, 2... Cathode terminal, 3... Hole,
4... Projection, 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、
一部が突出している孔と該孔を横切つて該突出部
と他の部分との間に接続されたヒユーズを有する
陰極端子をコンデンサ素子に接続する工程と、該
工程後に該コンデンサ素子及び前記ヒユーズを被
覆して樹脂外装を形成する工程と、該工程後に前
記陰極端子の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。1. 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 cathode terminal having a hole from which a portion projects out and a fuse connected across the hole between the projecting portion and another portion to the capacitor element; and after the step, connecting the cathode terminal to the capacitor element and the A method for manufacturing a solid electrolytic capacitor, comprising the steps of: coating a fuse to form a resin sheath; and, after the step, cutting both sides of the protrusion of the cathode terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1926986A JPS62177908A (en) | 1986-01-31 | 1986-01-31 | Manufacture of solid electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1926986A JPS62177908A (en) | 1986-01-31 | 1986-01-31 | Manufacture of solid electrolytic capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62177908A JPS62177908A (en) | 1987-08-04 |
| JPH0350408B2 true JPH0350408B2 (en) | 1991-08-01 |
Family
ID=11994725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1926986A Granted JPS62177908A (en) | 1986-01-31 | 1986-01-31 | Manufacture of solid electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62177908A (en) |
-
1986
- 1986-01-31 JP JP1926986A patent/JPS62177908A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62177908A (en) | 1987-08-04 |
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