DE2238245A1 - Verfahren zur behandlung von aluminiumfolie fuer elektrolytkondensatoren - Google Patents
Verfahren zur behandlung von aluminiumfolie fuer elektrolytkondensatorenInfo
- Publication number
- DE2238245A1 DE2238245A1 DE19722238245 DE2238245A DE2238245A1 DE 2238245 A1 DE2238245 A1 DE 2238245A1 DE 19722238245 DE19722238245 DE 19722238245 DE 2238245 A DE2238245 A DE 2238245A DE 2238245 A1 DE2238245 A1 DE 2238245A1
- Authority
- DE
- Germany
- Prior art keywords
- treatment
- voltage
- forming
- aluminum foil
- formation
- 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 15
- 229910052782 aluminium Inorganic materials 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 15
- 239000003990 capacitor Substances 0.000 title claims description 10
- 239000003792 electrolyte Substances 0.000 title claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000011888 foil Substances 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- 238000002407 reforming Methods 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 9
- 239000012153 distilled water Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 3
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 3
- 239000004327 boric acid Substances 0.000 description 3
- 235000019837 monoammonium phosphate Nutrition 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- OTRAYOBSWCVTIN-UHFFFAOYSA-N OB(O)O.OB(O)O.OB(O)O.OB(O)O.OB(O)O.N.N.N.N.N.N.N.N.N.N.N.N.N.N.N Chemical compound OB(O)O.OB(O)O.OB(O)O.OB(O)O.OB(O)O.N.N.N.N.N.N.N.N.N.N.N.N.N.N.N OTRAYOBSWCVTIN-UHFFFAOYSA-N 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 230000028161 membrane depolarization Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000002051 biphasic effect Effects 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000006012 monoammonium phosphate Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- H01G9/0029—Processes of manufacture
- H01G9/0032—Processes of manufacture formation of the dielectric layer
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Treatment Of Metals (AREA)
- Electrochemical Coating By Surface Reaction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7110786A NL7110786A (enrdf_load_stackoverflow) | 1971-08-05 | 1971-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2238245A1 true DE2238245A1 (de) | 1973-02-15 |
Family
ID=19813751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722238245 Pending DE2238245A1 (de) | 1971-08-05 | 1972-08-03 | Verfahren zur behandlung von aluminiumfolie fuer elektrolytkondensatoren |
Country Status (6)
| Country | Link |
|---|---|
| JP (2) | JPS5721849B2 (enrdf_load_stackoverflow) |
| DE (1) | DE2238245A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2148268B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1395070A (enrdf_load_stackoverflow) |
| IT (1) | IT963677B (enrdf_load_stackoverflow) |
| NL (1) | NL7110786A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4113579A (en) | 1977-04-28 | 1978-09-12 | Sprague Electric Company | Process for producing an aluminum electrolytic capacitor having a stable oxide film |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4204919A (en) * | 1979-05-02 | 1980-05-27 | Sprague Electric Company | Treating etched aluminum electrolytic capacitor foil |
| US4481083A (en) * | 1983-08-31 | 1984-11-06 | Sprague Electric Company | Process for anodizing aluminum foil |
| JPS6216649A (ja) * | 1985-07-16 | 1987-01-24 | Matsushita Electric Ind Co Ltd | 留守番電話装置 |
| JPH04335970A (ja) * | 1991-05-13 | 1992-11-24 | Daikin Ind Ltd | 乾式蒸発器 |
| JPH07154471A (ja) * | 1994-09-19 | 1995-06-16 | Matsushita Electric Ind Co Ltd | 留守番電話装置 |
| US6183618B1 (en) * | 1999-02-02 | 2001-02-06 | Kemet Electronics Corporation | Process for treating impregnated electrolytic capacitor anodes |
| GB2362511A (en) * | 2000-01-10 | 2001-11-21 | Kemet Electronics Corp | Process for treating impregnated electrolytic capacitor anodes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3180809A (en) * | 1962-06-12 | 1965-04-27 | Cornell Dubilier Electric | Tantalum capacitor manufacture |
-
1971
- 1971-08-05 NL NL7110786A patent/NL7110786A/xx unknown
-
1972
- 1972-08-02 GB GB3614572A patent/GB1395070A/en not_active Expired
- 1972-08-02 IT IT2781072A patent/IT963677B/it active
- 1972-08-03 DE DE19722238245 patent/DE2238245A1/de active Pending
- 1972-08-03 JP JP7800172A patent/JPS5721849B2/ja not_active Expired
- 1972-08-04 FR FR7228189A patent/FR2148268B1/fr not_active Expired
-
1980
- 1980-06-03 JP JP7383280A patent/JPS5649510A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4113579A (en) | 1977-04-28 | 1978-09-12 | Sprague Electric Company | Process for producing an aluminum electrolytic capacitor having a stable oxide film |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1395070A (en) | 1975-05-21 |
| JPS4825166A (enrdf_load_stackoverflow) | 1973-04-02 |
| IT963677B (it) | 1974-01-21 |
| JPS5721849B2 (enrdf_load_stackoverflow) | 1982-05-10 |
| NL7110786A (enrdf_load_stackoverflow) | 1973-02-07 |
| FR2148268A1 (enrdf_load_stackoverflow) | 1973-03-11 |
| JPS5649510A (en) | 1981-05-06 |
| FR2148268B1 (enrdf_load_stackoverflow) | 1978-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| OHW | Rejection |