JP5026425B2 - 固体キャパシタのためのアノード体を形成する方法 - Google Patents
固体キャパシタのためのアノード体を形成する方法 Download PDFInfo
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- JP5026425B2 JP5026425B2 JP2008528580A JP2008528580A JP5026425B2 JP 5026425 B2 JP5026425 B2 JP 5026425B2 JP 2008528580 A JP2008528580 A JP 2008528580A JP 2008528580 A JP2008528580 A JP 2008528580A JP 5026425 B2 JP5026425 B2 JP 5026425B2
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- 239000003990 capacitor Substances 0.000 title claims description 38
- 238000000034 method Methods 0.000 title claims description 30
- 239000007787 solid Substances 0.000 title claims description 8
- 239000000314 lubricant Substances 0.000 claims description 60
- 239000000463 material Substances 0.000 claims description 28
- 239000000843 powder Substances 0.000 claims description 25
- 230000009471 action Effects 0.000 claims description 17
- 238000005245 sintering Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000010955 niobium Substances 0.000 claims description 10
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 10
- 229910052758 niobium Inorganic materials 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000002386 leaching Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 claims description 2
- 239000002250 absorbent Substances 0.000 claims description 2
- 230000001413 cellular effect Effects 0.000 claims description 2
- 239000002657 fibrous material Substances 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 description 21
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 15
- 238000005461 lubrication Methods 0.000 description 14
- 238000000465 moulding Methods 0.000 description 14
- BFRGSJVXBIWTCF-UHFFFAOYSA-N niobium monoxide Chemical compound [Nb]=O BFRGSJVXBIWTCF-UHFFFAOYSA-N 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000006260 foam Substances 0.000 description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000011812 mixed powder Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 229910052715 tantalum Inorganic materials 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 239000004605 External Lubricant Substances 0.000 description 2
- 229920002565 Polyethylene Glycol 400 Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000037237 body shape Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000484 niobium oxide Inorganic materials 0.000 description 2
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
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- 238000011084 recovery Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- -1 niobium metal Chemical class 0.000 description 1
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- JLFNLZLINWHATN-UHFFFAOYSA-N pentaethylene glycol Chemical group OCCOCCOCCOCCOCCO JLFNLZLINWHATN-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229940068918 polyethylene glycol 400 Drugs 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- 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
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0005—Details of, or accessories for, presses; Auxiliary measures in connection with pressing for briquetting presses
- B30B15/0011—Details of, or accessories for, presses; Auxiliary measures in connection with pressing for briquetting presses lubricating means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
-
- 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
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/052—Sintered electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F2003/026—Mold wall lubrication or article surface lubrication
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/43—Electric condenser making
- Y10T29/435—Solid dielectric type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Description
バルブ・アクション材料のキャパシタ品質のパウダを設けるステップと、
前記パウダを鋳型成形手段に投入するステップと、
前記鋳型成形手段内の前記パウダを圧縮して、前記パウダをアノード体形状に成形するステップと、
前記アノード体形状を、たとえば前記物質を焼結して相互結合した多孔質体を形成することにより、安定化するステップと
を含み、鋳型成形プロセスは、前記アノード体の外表面と前記鋳型成形手段の外表面との間の界面を潤滑にするために潤滑剤を局所的に塗布するように適合された潤滑手段の使用を含むことを特徴とする方法が提供される。
Claims (14)
- 固体キャパシタの製造において、バルブ・アクション材料からアノード体を形成する方法であって、
前記バルブ・アクション材料のパウダを設けるステップと、
前記パウダを鋳型のダイに投入するステップであって、前記鋳型は潤滑剤接触表面を提供し、吸収した潤滑剤を保持する材料により占められている接触貯蔵部を備えた、ステップと、
パンチを前記ダイに挿入することで前記パウダを圧縮して、前記アノード体を形成し、前記パンチを引き抜くステップであって、前記パンチは、前記ダイに挿入および/または引き抜かれる間、前記潤滑剤接触表面に接触することにより、前記潤滑剤を前記ダイの内壁に移送し、前記潤滑剤前記ダイの表面との接触によりに前記アノード体の外表面に塗布される、ステップと、
を含むことを特徴とする方法。 - 前記潤滑剤は、液体であることを特徴とする請求項1に記載の方法。
- 前記潤滑剤は、キャピラリーフィードを介して供給されることを特徴とする請求項2に記載の方法。
- 前記潤滑剤は、重力フィードを介して供給されることを特徴とする請求項2または3に記載の方法。
- 吸収力のある前記材料は、繊維状材料または多孔質気泡材料であることを特徴とする請求項1に記載の方法。
- 前記パンチは、圧縮されて形成されたアノード体を前記ダイから取り出す作用をさらにすることを特徴とする請求項1に記載の方法。
- 前記バルブ・アクション材のパウダには混合された潤滑剤が供給されないことを特徴とする請求項1から6のいずれかに記載の方法。
- 圧縮の後であって焼結の前に、前記アノード体は、潤滑剤を除去するために浸出媒体と接触することにより洗浄されることを特徴とする請求項1から7のいずれかに記載の方法。
- 前記浸出媒体は、80℃の水であることを特徴とする請求項8に記載の方法。
- 前記鋳型成形手段は、共に動作するように構成された、複数のダイとパンチとの対を備え、それにより、同一の装置の上で複数のアノード体を並列に形成することができることを特徴とする請求項1から9のいずれかに記載の方法。
- バルブ・アクション材料から固体キャパシタを製造する方法であって、
請求項1から10のいずれかに記載の方法により、多孔質アノード体を形成するステップと、
前記アノード体の露出した表面の上に誘電体層を形成するステップと、
前記誘電体層の上にカソード層を形成するステップと、
前記カソード層と導電的に接触したカソード端子および前記アノード体を導電的に接触したアノード端子を形成するステップと
を含むことを特徴とする方法。 - 前記バルブ・アクション材料は、導電性亜酸化ニオブを含むことを特徴とする請求項1に記載の方法。
- 前記アノード体を焼結するステップをさらに含むことを特徴とする請求項1に記載の方法。
- 前記潤滑剤は、前記焼結中に前記アノード体から除去されることを特徴とする請求項13に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0517952.8 | 2005-09-02 | ||
GBGB0517952.8A GB0517952D0 (en) | 2005-09-02 | 2005-09-02 | Method of forming anode bodies for solid state capacitors |
PCT/GB2006/003250 WO2007026165A1 (en) | 2005-09-02 | 2006-09-01 | Method of forming anode bodies for solid state capacitors |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009507368A JP2009507368A (ja) | 2009-02-19 |
JP5026425B2 true JP5026425B2 (ja) | 2012-09-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008528580A Expired - Fee Related JP5026425B2 (ja) | 2005-09-02 | 2006-09-01 | 固体キャパシタのためのアノード体を形成する方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8114340B2 (ja) |
EP (1) | EP1920447A1 (ja) |
JP (1) | JP5026425B2 (ja) |
CN (1) | CN101258572B (ja) |
GB (1) | GB0517952D0 (ja) |
HK (1) | HK1123122A1 (ja) |
WO (1) | WO2007026165A1 (ja) |
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US8605411B2 (en) | 2010-09-16 | 2013-12-10 | Avx Corporation | Abrasive blasted conductive polymer cathode for use in a wet electrolytic capacitor |
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US9786440B2 (en) | 2014-12-17 | 2017-10-10 | Avx Corporation | Anode for use in a high voltage electrolytic capacitor |
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2005
- 2005-09-02 GB GBGB0517952.8A patent/GB0517952D0/en not_active Ceased
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- 2006-09-01 CN CN200680032272.3A patent/CN101258572B/zh not_active Expired - Fee Related
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- 2006-09-01 JP JP2008528580A patent/JP5026425B2/ja not_active Expired - Fee Related
- 2006-09-01 EP EP06779271A patent/EP1920447A1/en not_active Withdrawn
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US20090193637A1 (en) | 2009-08-06 |
JP2009507368A (ja) | 2009-02-19 |
GB0517952D0 (en) | 2005-10-12 |
CN101258572B (zh) | 2012-01-04 |
EP1920447A1 (en) | 2008-05-14 |
WO2007026165A1 (en) | 2007-03-08 |
US8114340B2 (en) | 2012-02-14 |
HK1123122A1 (en) | 2009-06-05 |
CN101258572A (zh) | 2008-09-03 |
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