JP2007042832A - 固体電解コンデンサ - Google Patents
固体電解コンデンサ Download PDFInfo
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- JP2007042832A JP2007042832A JP2005224874A JP2005224874A JP2007042832A JP 2007042832 A JP2007042832 A JP 2007042832A JP 2005224874 A JP2005224874 A JP 2005224874A JP 2005224874 A JP2005224874 A JP 2005224874A JP 2007042832 A JP2007042832 A JP 2007042832A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 81
- 239000007787 solid Substances 0.000 title claims abstract description 27
- 239000011347 resin Substances 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 239000007784 solid electrolyte Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003475 lamination Methods 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 19
- 230000001070 adhesive effect Effects 0.000 description 19
- 239000010408 film Substances 0.000 description 11
- 239000011230 binding agent Substances 0.000 description 8
- 239000011231 conductive filler Substances 0.000 description 7
- 239000003960 organic solvent Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000012212 insulator Substances 0.000 description 6
- 239000010949 copper Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229920001940 conductive polymer Polymers 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 229920000128 polypyrrole Polymers 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910017813 Cu—Cr Inorganic materials 0.000 description 1
- 229910017827 Cu—Fe Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/025—Solid electrolytes
- H01G9/028—Organic semiconducting electrolytes, e.g. TCNQ
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/74—Terminals, e.g. extensions of current collectors
- H01G11/76—Terminals, e.g. extensions of current collectors specially adapted for integration in multiple or stacked hybrid or EDL capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
【解決手段】コンデンサ素子19を複数積層し、コンデンサ素子19の陽極引き出し部17を接合した陽極部22と、導電性シート20および導電性ペースト層21を介してコンデンサ素子19の陰極層16を接合した陰極部23と、陽極部22と陰極部23に夫々に接合する陽極端子24と陰極端子25とコンデンサ素子19の積層体を被覆する外装樹脂層27から構成される固体電解コンデンサで、ESR特性に優れた固体電解コンデンサを得ることができる。
【選択図】図1
Description
以下、本発明の実施例1における固体電解コンデンサについて、図面を参照しながら説明する。
比較例1は、実施例1の導電性ペースト層21の形成に用いたペースト状の導電性接着剤を介して陰極層を接合したものである。
実施例2、実施例3と実施例1との相違点は、導電性シートの構成が異なるようにしたもので、これ以外の構成は実施例1と同様で、同一部分には同一符号を付与してその詳細な説明を省略し、異なる構成のみ図を参照しながら説明する。
実施例4と実施例1との相違点は、導電性シートの材質が異なるようにしたものである。
12 誘電体酸化皮膜
13 固体電解質層
14 カーボン層
15 導電体層
16 陰極層
16a 積層面
16b 側面
17 陽極引き出し部
18 絶縁体層
19 コンデンサ素子
20 導電性シート
20a 貫通部
21 導電性ペースト層
22 陽極部
23 陰極部
24 陽極端子
25 陰極端子
26 他の導電性ペースト層
27 外装樹脂層
Claims (2)
- 陽極引き出し部を具備した弁作用金属からなる陽極体の表面に誘電体酸化皮膜と固体電解質層と陰極層を順次積層したコンデンサ素子と、このコンデンサ素子を複数積層し、上記コンデンサ素子の上記陽極引き出し部を接合した陽極部と、上記コンデンサ素子の上記陰極層間に導電性シートおよび導電性ペースト層を介して上記陰極層どうしを接合した陰極部と、上記陽極部、陰極部に夫々接合した陽極端子と陰極端子と、上記陽極端子と陰極端子の一部が夫々露呈し上記コンデンサ素子を被覆した外装樹脂層と、から構成される固体電解コンデンサ。
- 上記導電性シートに、上記導電性ペースト層を形成するための貫通部または/および切り欠き部を設けたことを特徴とする請求項1に記載の固体電解コンデンサ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005224874A JP4735110B2 (ja) | 2005-08-03 | 2005-08-03 | 固体電解コンデンサ |
TW095114694A TW200701280A (en) | 2005-05-17 | 2006-04-25 | Solid electrolytic capacitor |
US11/415,077 US7342772B2 (en) | 2005-05-17 | 2006-05-02 | Solid electrolytic capacitor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005224874A JP4735110B2 (ja) | 2005-08-03 | 2005-08-03 | 固体電解コンデンサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007042832A true JP2007042832A (ja) | 2007-02-15 |
JP4735110B2 JP4735110B2 (ja) | 2011-07-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005224874A Expired - Fee Related JP4735110B2 (ja) | 2005-05-17 | 2005-08-03 | 固体電解コンデンサ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4735110B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010080644A (ja) * | 2008-09-25 | 2010-04-08 | Tdk Corp | 固体電解コンデンサ及び固体電解コンデンサの製造方法 |
EP2200053A4 (en) * | 2007-09-07 | 2017-12-20 | Meidensha Corporation | Stacked electric double layer capacitor |
JP2020167196A (ja) * | 2019-03-28 | 2020-10-08 | 株式会社村田製作所 | 固体電解コンデンサ、及び、固体電解コンデンサの製造方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003086459A (ja) * | 2001-07-02 | 2003-03-20 | Matsushita Electric Ind Co Ltd | 固体電解コンデンサ |
JP2005051051A (ja) * | 2003-07-29 | 2005-02-24 | Matsushita Electric Ind Co Ltd | 固体電解コンデンサ及びその製造方法 |
JP2006324299A (ja) * | 2005-05-17 | 2006-11-30 | Matsushita Electric Ind Co Ltd | 固体電解コンデンサ |
-
2005
- 2005-08-03 JP JP2005224874A patent/JP4735110B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003086459A (ja) * | 2001-07-02 | 2003-03-20 | Matsushita Electric Ind Co Ltd | 固体電解コンデンサ |
JP2005051051A (ja) * | 2003-07-29 | 2005-02-24 | Matsushita Electric Ind Co Ltd | 固体電解コンデンサ及びその製造方法 |
JP2006324299A (ja) * | 2005-05-17 | 2006-11-30 | Matsushita Electric Ind Co Ltd | 固体電解コンデンサ |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2200053A4 (en) * | 2007-09-07 | 2017-12-20 | Meidensha Corporation | Stacked electric double layer capacitor |
JP2010080644A (ja) * | 2008-09-25 | 2010-04-08 | Tdk Corp | 固体電解コンデンサ及び固体電解コンデンサの製造方法 |
JP2020167196A (ja) * | 2019-03-28 | 2020-10-08 | 株式会社村田製作所 | 固体電解コンデンサ、及び、固体電解コンデンサの製造方法 |
US11244790B2 (en) | 2019-03-28 | 2022-02-08 | Murata Manufacturing Co., Ltd. | Solid electrolytic capacitor and solid electrolytic capacitor manufacturing method |
JP7063301B2 (ja) | 2019-03-28 | 2022-05-09 | 株式会社村田製作所 | 固体電解コンデンサの製造方法 |
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JP4735110B2 (ja) | 2011-07-27 |
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