JPS6412515A - Aluminum electrolytic capacitor - Google Patents
Aluminum electrolytic capacitorInfo
- Publication number
- JPS6412515A JPS6412515A JP16902887A JP16902887A JPS6412515A JP S6412515 A JPS6412515 A JP S6412515A JP 16902887 A JP16902887 A JP 16902887A JP 16902887 A JP16902887 A JP 16902887A JP S6412515 A JPS6412515 A JP S6412515A
- Authority
- JP
- Japan
- Prior art keywords
- electrolytic capacitor
- cathode
- weight
- aluminum alloy
- alloy foil
- 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.)
- Pending
Links
Abstract
PURPOSE:To multiply the etching ratio for miniaturizing a capacitor in high capacity by a method wherein an aluminum alloy foil containing specific metal is made of a cathode foil. CONSTITUTION:An aluminum alloy foil containing either one metal out of chrome, molybdenum and tungsten is used as an anode 2 with a dielectric oxide film 1 formed on a surface roughened by electrolytic etching process and a cathode 3 forming an aluminum electrolytic capacitor together with an electrolyte and a separator 4. Thus, the etching ratio of cathode 3 can be multiplied to facilitate the roughening process without fail. Consequently, the aluminum electrolytic capacitor in high capacity can be miniaturized. Additionally, it is recommended that the metallic content is 0.005-0.1 weight % while the aluminum alloy foil contains 0.1-0.3 weight % of copper and 0.01-0.5 weight % of iron.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16902887A JPS6412515A (en) | 1987-07-07 | 1987-07-07 | Aluminum electrolytic capacitor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16902887A JPS6412515A (en) | 1987-07-07 | 1987-07-07 | Aluminum electrolytic capacitor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6412515A true JPS6412515A (en) | 1989-01-17 |
Family
ID=15878983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16902887A Pending JPS6412515A (en) | 1987-07-07 | 1987-07-07 | Aluminum electrolytic capacitor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6412515A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8354209B2 (en) | 2004-12-30 | 2013-01-15 | Asml Netherlands B.V. | Lithographic apparatus and device manufacturing method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56133444A (en) * | 1980-03-22 | 1981-10-19 | Kobe Steel Ltd | Al alloy for cathode foil of electrolytic capacitor |
JPS6390115A (en) * | 1986-10-02 | 1988-04-21 | 昭和アルミニウム株式会社 | Aluminum alloy foil for electrode of electrolytic capacitor |
-
1987
- 1987-07-07 JP JP16902887A patent/JPS6412515A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56133444A (en) * | 1980-03-22 | 1981-10-19 | Kobe Steel Ltd | Al alloy for cathode foil of electrolytic capacitor |
JPS6390115A (en) * | 1986-10-02 | 1988-04-21 | 昭和アルミニウム株式会社 | Aluminum alloy foil for electrode of electrolytic capacitor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8354209B2 (en) | 2004-12-30 | 2013-01-15 | Asml Netherlands B.V. | Lithographic apparatus and device manufacturing method |
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