JPS63209117A - Solid electrolytic capacitor with fuse and manufacture of the same - Google Patents
Solid electrolytic capacitor with fuse and manufacture of the sameInfo
- Publication number
- JPS63209117A JPS63209117A JP4335887A JP4335887A JPS63209117A JP S63209117 A JPS63209117 A JP S63209117A JP 4335887 A JP4335887 A JP 4335887A JP 4335887 A JP4335887 A JP 4335887A JP S63209117 A JPS63209117 A JP S63209117A
- Authority
- JP
- Japan
- Prior art keywords
- external terminal
- fuse
- heat
- solid electrolytic
- electrolytic 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 title claims description 32
- 239000007787 solid Substances 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000012212 insulator Substances 0.000 claims 1
- 239000011810 insulating material Substances 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001092070 Eriobotrya Species 0.000 description 1
- 235000009008 Eriobotrya japonica Nutrition 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004065 semiconductor 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
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Fuses (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】
〔産業上の利用分野〕
本発明に、ヒユーズ付き固体電解コンデンサおよびその
製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a solid electrolytic capacitor with a fuse and a method for manufacturing the same.
一般に固体電解コンデンサは種々の゛電子回路に使用さ
ｎており、故障４は小さいが、万一回路中で固体電解コ
ンデンサが故障した場合には、短絡となることが多く、
大きな短絡電流が流れるとコンデンサ素子が発熱し焼損
することもある。このコンデンサの圧路故障発生の際、
他の回路構氏素子を保護するために短絡したら開放する
機構、一般的にはヒユーズを用いる手段が知られている
。In general, solid electrolytic capacitors are used in various electronic circuits, and although failures are small, if a solid electrolytic capacitor fails in a circuit, it often results in a short circuit.
If a large short-circuit current flows, the capacitor element may generate heat and burn out. When this capacitor pressure path failure occurs,
In order to protect other circuit elements, a mechanism is known that opens the circuit in the event of a short circuit, generally using a fuse.
従来技術としては１例えば、特公昭５８−２１８１６号
公報に示されている。すなわち％第２図に示すように、
コンデンサ素子１外周の陰極層１ａと陰惨外部端子５と
の間に金属板８とヒユーズ６ならびに断熱材９ならびに
空洞部ｌＯを有したヒユーズ機構とを接続し、コンデン
サ素子ｌより引き出された陰惨体リード２へ陰惨外部端
子３が接続され、外装樹脂７に内蔵させた固体１１解コ
ンデンサや、特公昭５．８−１９１４８号公報に示され
ている第３図に示すようにコンデンサ素子１外周の陰惨
ｒ＠ ］、 ａと外部陰惨端子５との間に充分距離をも
たせた。すなわち侵いヒユーズ６全介して導通接続し、
コンデンサ素子１エリ引き出された陰惨体リード２へ陽
怜外部端子３が接続され、外装樹脂７に内蔵させた固体
電解コンデンサ４？がある。One example of the prior art is disclosed in Japanese Patent Publication No. 58-21816. In other words, %As shown in Figure 2,
A metal plate 8, a fuse 6, a heat insulating material 9, and a fuse mechanism having a cavity 10 are connected between the cathode layer 1a on the outer periphery of the capacitor element 1 and the external terminal 5, and the grotesque body drawn out from the capacitor element 1 is connected. The external terminal 3 is connected to the lead 2, and the solid state 11 capacitor built in the exterior resin 7 or the outer periphery of the capacitor element 1 is connected to the lead 2 as shown in FIG. A sufficient distance was provided between the external terminal 5 and the external terminal 5. In other words, conductive connection is made through all of the fuses 6,
An external terminal 3 is connected to the phantom body lead 2 pulled out from the capacitor element 1, and a solid electrolytic capacitor 4 built into the exterior resin 7 is connected. There is.
上述した従来のヒエーズ付き固体電解コンデンサは、第
１例の第２凶の場合には、ヒユーズ６全介み込んでいる
ため外形寸法が大きくなり、かつ多大な接続工数を袈す
る。一方、第２例の第３図の場合１ｃは、ヒユーズ６が
溶断じて回路を確実に開放させるために、素子１と外部
陰惨端子５との間の距ｌ？！金長くしているため？５縁
外装時に、ヒユーズ６やヒユーズ６と素子１との帳続Ｓ
、あるいにヒユーズ６と外部陰極端子５との接続部等に
外装樹脂の膨張、収量の大きな圧力がかかり、損傷を受
ける危険がある。また、外形寸法も大きくなる欠点を有
する。In the above-described conventional solid electrolytic capacitor with a fuse, in the second case of the first example, the fuse 6 is completely inserted, resulting in a large external dimension and a large number of connection steps. On the other hand, in the case 1c of the second example shown in FIG. 3, in order to ensure that the fuse 6 blows out and opens the circuit, the distance l? ! Is it because the money is long? When the 5-edge exterior is installed, there is no connection between fuse 6 or fuse 6 and element 1.
In addition, there is a risk of damage due to the expansion of the exterior resin and the application of a large amount of pressure to the connecting portion between the fuse 6 and the external cathode terminal 5, etc. Further, it has the disadvantage that the external dimensions are also large.
本発明の目的は、上述した従来の欠点を除去し、ヒユー
ズ機構形成後も素子の外形、大きさを元んど変えないで
隣み、外装が簡易にでき、薄さの要求に対応でき、また
端子間の幅が正確に維持でき、かつヒユーズの有効長が
一定に保持でき、ヒユーズ特定を一定にすることができ
るヒエーズ付き固体電解コンデンサおよびその製造方法
を提供することにある。The object of the present invention is to eliminate the above-mentioned conventional drawbacks, to make the outer shape and size of the element adjacent to each other unchanged even after the formation of the fuse mechanism, to simplify the exterior packaging, and to meet the demands for thinness. Another object of the present invention is to provide a solid electrolytic capacitor with a fuse and a method for manufacturing the same, in which the width between the terminals can be accurately maintained, the effective length of the fuse can be kept constant, and the fuse specification can be kept constant.
ｃ問題点を牌大するための手段〕
不発明のｇｔの発明のヒエーズ付き固体電解コンデンサ
は、凄惨リード線が導出され最外層に陰極層を有する固
体電路コンデンサ素子と、前記陽極リード線に接続され
た陰惨外部端子と、該陽極外部端子が接続された側と反
対−の陰極層に装着された熱収縮性Ｐ３縁スリーブと、
該熱収縮性＋ｌＱ縁スリーブ上に設置された陰惨外部端
子と、前記熱収縮性Ｐ３線スリーブを横断して前記陰惨
外部端子と前記陰極層とを後続するフェーズと、絶縁外
装樹脂とを含んで４放される。c) Means for magnifying the problem] The solid electrolytic capacitor with a hyaze according to the invention of the uninvented gt has a solid circuit capacitor element from which a lead wire is led out and has a cathode layer on the outermost layer, and is connected to the anode lead wire. a heat-shrinkable P3 edge sleeve attached to the cathode layer opposite to the side to which the anode external terminal was connected;
a negative external terminal disposed on the heat-shrinkable +lQ edge sleeve; a phase that traverses the heat-shrinkable P3 wire sleeve to connect the negative external terminal and the cathode layer; and an insulating sheath resin. 4 released.
また５本発明の第２の発明のヒ凰−ズ付き固体電解コン
デンサの製造方法に、陽極リード線が導出され、最外層
に陰極層を有する固体電解コンデンサ素子の陽極リード
線に陰惨外部端子を接続する工程と、該陽極外部端子が
接続された側と反対側の陰極層に熱収量性絶縁スリーブ
を装着する工程と、ヒユーズを接続した陰惨外部端子を
前記熱収縮性絶縁スリーブ上に設置する工程と、前記陰
惨外部端子に接続されたヒユーズを前ｄｄ熱収縮性ＩＰ
３縁スリーブを横断して前記ｖｖ、億層に接続する工程
に、絶縁鞠にで外装する丁糧２を含ス、で構成七ｎる。Furthermore, in the method for manufacturing a solid electrolytic capacitor with a fuse according to the second aspect of the present invention, an anode lead wire is led out, and a disastrous external terminal is connected to the anode lead wire of a solid electrolytic capacitor element having a cathode layer on the outermost layer. a step of connecting, a step of attaching a heat-absorbing insulating sleeve to the cathode layer on the opposite side to the side to which the anode external terminal is connected, and a step of installing the disastrous external terminal to which the fuse is connected on the heat-shrinkable insulating sleeve. process and heat shrink the fuse connected to the external terminal before dd.
The process of connecting the VV and 100 million layers by crossing the three-edge sleeve includes a plate 2 that is sheathed with an insulating ball.
〔実施−１〕
次に、不発明の実施例について図面を参照して説明する
。第１図（ａ）〜（ｄ）は本発明の一実施例の構造及び
その製造方法を説明するために工程＋Ｉｌに示した斜視
図および正面図である。[Embodiment-1] Next, a non-inventive embodiment will be described with reference to the drawings. FIGS. 1(a) to 1(d) are a perspective view and a front view shown in step +I1 for explaining the structure and manufacturing method of an embodiment of the present invention.
本発明の第１の発明のヒ為−ズ付き固体電解コンデンサ
ａ、第１図（ａ）〜（ｄ）に示すように、陰惨リード＃
２が導出され、最外層に陰極層１ａをＭする固体電解コ
ンデンサ素子（以後素子と略称）１と、陰惨リード線２
に接続された陰惨外部端子３と、ｒ＃憚外部端子３がｆ
＆枕されｆｃｌｌｌと反対側１の陰極層に装着された熱
収精性絶縁スリーブ４と、熱収縮性絶縁スリーブ４上に
設］直された陰惨外部端子５と、熱収縮性絶縁スリーブ
４を横断して陰惨外部端子５と陰極１ｍ １ ａとを接
続するフェーズ６と、これらを外装する外ｉ樹脂７によ
り構成される。A solid electrolytic capacitor a with a fuse according to the first invention of the present invention, as shown in FIGS.
A solid electrolytic capacitor element (hereinafter abbreviated as element) 1 having a cathode layer 1a as the outermost layer, and a gruesome lead wire 2.
The gloomy external terminal 3 connected to r# and the external terminal 3 connected to f
& a heat-harvesting insulating sleeve 4 attached to the cathode layer on the opposite side 1 of the pillowed fcllll, and a heat-shrinkable insulating sleeve 4 mounted on the repaired external terminal 5 and the heat-shrinkable insulating sleeve 4. It is composed of a phase 6 that crosses and connects the negative external terminal 5 and the cathode 1m 1 a, and an outer resin 7 that covers these.
次に１本発明の第２の発明Ｑヒエーズ付き固体電解コン
デンサの製造方法の一実ゐ例について貌明する。Next, an example of a method for manufacturing a solid electrolytic capacitor with a Q-hiase according to the second aspect of the present invention will be explained.
まず％第１図（ａ）に示すように、タンタル、アルミニ
ウムなどの弁作用を有する金属の粉末を所望形状に成形
し、陽極酸化を行ない１次いで二酸化マンガンなどの半
導体層、およびグラファイト。First, as shown in FIG. 1(a), powder of a metal having a valve action such as tantalum or aluminum is formed into a desired shape and anodized to form a semiconductor layer such as manganese dioxide and graphite.
誠ペースト層を順次＋Ｉｉ層し、最外層に陰極層１ａを
有する素子１ｔ−形成する。この素子１から導出した陽
極リード巌２と、Ｌ字形に形成した陽極外部端子３を溶
接によＶ接続する。A positive paste layer +Ii is sequentially formed to form an element 1t- having a cathode layer 1a as the outermost layer. An anode lead 2 led out from this element 1 and an anode external terminal 3 formed in an L shape are V-connected by welding.
次に、第１図（ｂｌに示すように、陽極外部端子３が接
続されている側と反対側の陰極層１ａに熱杷線性絶鰍ス
リーブ４を通し、１２０″０．２０秒間刀【１熱して、
熱収縮性絶縁スリーブ４を陰惨層１ａに装着する。Next, as shown in FIG. 1 (bl), the thermal elongation sleeve 4 is passed through the cathode layer 1a on the opposite side to the side to which the anode external terminal 3 is connected, and Heat it up,
A heat-shrinkable insulating sleeve 4 is attached to the gruesome layer 1a.
次に第１図（ｃ）Ｋ示すように、予め４１を性域層剤あ
るいは、はんだ付けなどにより、厚さ１００ミクロンの
ｂｘのヒユーズ６を接続した陰惨外部端子５を、熱収節
性杷−スリーブ４上に乗せる。Next, as shown in FIG. 1(c)K, the external terminal 5, to which the fuse 6 with a thickness of 100 microns is connected, is connected to the heat-shrinkable loquat 41 using a heat-reducing agent or soldering. - Place it on the sleeve 4.
次に、ヒユーズ６と素子１を４亀性僧看剤％あるいに、
μんだ付けなどにより接続し、エポキシ樹脂等の外装樹
脂７によ＃）絶縁外装し、本発明の一実施例のヒユーズ
付き固体１１！Ｌ解コンデンサを形成する。Next, fuse 6 and element 1 are 4% or more,
Connected by μ soldering etc., covered with an insulated outer resin 7 such as epoxy resin, and a solid body 11 with a fuse according to an embodiment of the present invention! Forms an L-solution capacitor.
以上説明したように本発明は、陰＆層に熱収縮性絶縁ス
リーブを装看し、その熱収紬性侍含÷セー、−４−−°
絶縁スリーブ上を横断して、陰惨層と外部陰惨
端子との間をヒユーズにて法統しているので
（１） ヒユーズ憬桐形成後も素子の外形ｔはとんど
損なわず、樹脂ディップ等の簡易な外装のヒユーズ付き
固体電解コンデンサの製作が可能である。As explained above, the present invention includes a heat-shrinkable insulating sleeve in the shade and layer, and the heat-shrinkable insulation sleeve is -4--°
Since the fuse crosses over the insulating sleeve and connects the external layer and external terminal with a fuse, (1) Even after the fuse is formed, the external shape of the element is not damaged, and there is no need for resin dipping, etc. It is possible to manufacture a solid electrolytic capacitor with a simple exterior fuse.
（′２Ｊ 素子の外形をほとんど変えないため、薄さ
を要求されるヒユーズ付き固体電解コンデンサが製作で
きる。('2J) Since the external shape of the element is hardly changed, solid electrolytic capacitors with fuses that require thinness can be manufactured.
（３） 陰惨外部端子が素子に固層されるので端子間
の１鴫が旧確にできる。(3) Since the external terminals are solidly layered on the device, the gap between the terminals can be reduced.
（４）熱収縮性絶縁スリーブの量さにエフヒユーズの有
効長が火まクヒエーズ特性が一定になる。(4) The effective length of the F fuse depends on the amount of the heat-shrinkable insulating sleeve, and the F fuse characteristics become constant.
などの利点を有し、その工莱的価値ａ大である。It has the following advantages and is of great value.
第１図（ａ）〜（ｄ）は本発明の一実施例の構造および
その製造方法を説明するために工程順に示した柵視図お
よび正面図、第２図、第３図μそれぞｎ従来のヒユーズ
付き固体［７９１コンデンサの側断面図および柵視図で
ある。
］・・・・・・（固体電解コンデンサ）素子、ｌａ・・
・・・・陰惨層、２・・・・・・陽極リード線、３・・
・・・・陽極外部端子、４・・・・・・熱収縮性絶縁ス
リーブ％５・・・・・・陰惨外部端子、６・・・・・・
ヒユーズ、７・・・・・・外装樹脂、８・・・・・・金
穏板、９・・・・・・断熱材、１０・・・・・・空洞部
。
代理人 弁理士 内 原 晋１′ケ′（乙ｌ
）
箇１圓Figures 1 (a) to (d) are a perspective view and a front view of a fence, Figures 2 and 3 are respectively n FIG. 1 is a side sectional view and a fence view of a conventional fused solid state [791 capacitor]. ]...(Solid electrolytic capacitor) element, la...
...Gloomy layer, 2... Anode lead wire, 3...
... Anode external terminal, 4 ... Heat-shrinkable insulating sleeve %5 ... Gloomy external terminal, 6 ...
Fuse, 7...Exterior resin, 8...Gold plate, 9...Insulating material, 10...Cavity part. Agent: Susumu Uchihara, Patent Attorney
) 1 circle
Claims (2)
る固体電解コンデンサ素子と、前記陽極リード線に接続
された陽極外部端子と、該陽極外部端子が接続された側
と反対側の陰極層に装着された熱収縮性絶縁スリーブと
、該熱収縮性絶縁スリーブ上に設置された陰極外部端子
と、前記熱収縮性絶縁スリーブを横断して前記陰極外部
端子と前記陰極層とを後続するフェーズと、絶縁外装樹
脂とを含むことを特徴とするヒューズ付き固体電解コン
デンサ素子。(1) A solid electrolytic capacitor element from which an anode lead wire is led out and has a cathode layer on the outermost layer, an anode external terminal connected to the anode lead wire, and a cathode on the opposite side to the side to which the anode external terminal is connected. a heat-shrinkable insulating sleeve attached to the layer, a cathode external terminal disposed on the heat-shrinkable insulating sleeve, and following the cathode external terminal and the cathode layer across the heat-shrinkable insulating sleeve. A solid electrolytic capacitor element with a fuse, comprising a phase and an insulating exterior resin.
固体電解コンデンサ素子の陽極リード線に陽極外部端子
を接続する工程と、該陽極外部端子が接続された側と反
対側の陰極層に熱収縮性絶縁スリーブを装着する工程と
、ヒューズを接続した陰極外部端子を前記熱収縮性絶縁
スリーブ上に設置する工程と、前記陰極外部端子に接続
されたフェーズを前記熱収縮性絶縁スリーブを横断して
前記陰極層に接続する工程と、絶縁物にて外装する工程
とを含むことを特徴とするヒューズ付き固体電解コンデ
ンサの製造方法。(2) Connecting an anode external terminal to the anode lead wire of a solid electrolytic capacitor element having an anode lead wire led out and a cathode layer on the outermost layer, and connecting the anode external terminal to the cathode layer on the opposite side to the side to which the anode external terminal is connected. a step of installing a heat-shrinkable insulating sleeve, a step of installing a cathode external terminal to which a fuse is connected on the heat-shrinkable insulating sleeve, and a step of traversing the heat-shrinkable insulating sleeve with a phase connected to the cathode external terminal. A method for manufacturing a solid electrolytic capacitor with a fuse, the method comprising the steps of: connecting the capacitor to the cathode layer; and covering the capacitor with an insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4335887A JPS63209117A (en) | 1987-02-25 | 1987-02-25 | Solid electrolytic capacitor with fuse and manufacture of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4335887A JPS63209117A (en) | 1987-02-25 | 1987-02-25 | Solid electrolytic capacitor with fuse and manufacture of the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63209117A true JPS63209117A (en) | 1988-08-30 |
| JPH0513531B2 JPH0513531B2 (en) | 1993-02-22 |
Family
ID=12661629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4335887A Granted JPS63209117A (en) | 1987-02-25 | 1987-02-25 | Solid electrolytic capacitor with fuse and manufacture of the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63209117A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63269510A (en) * | 1987-04-27 | 1988-11-07 | Matsushita Electric Ind Co Ltd | Manufacture of capacitor with built-in fuse |
-
1987
- 1987-02-25 JP JP4335887A patent/JPS63209117A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63269510A (en) * | 1987-04-27 | 1988-11-07 | Matsushita Electric Ind Co Ltd | Manufacture of capacitor with built-in fuse |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0513531B2 (en) | 1993-02-22 |
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