GB1395070A - Method of treating aluminium foil for use in electrolytic capacitors - Google Patents
Method of treating aluminium foil for use in electrolytic capacitorsInfo
- Publication number
- GB1395070A GB1395070A GB3614572A GB3614572A GB1395070A GB 1395070 A GB1395070 A GB 1395070A GB 3614572 A GB3614572 A GB 3614572A GB 3614572 A GB3614572 A GB 3614572A GB 1395070 A GB1395070 A GB 1395070A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anodising
- treatment
- post
- electrolytic capacitors
- 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.)
- Expired
Links
- 239000005030 aluminium foil Substances 0.000 title abstract 2
- 239000003990 capacitor Substances 0.000 title abstract 2
- 238000007743 anodising Methods 0.000 abstract 9
- 229910019142 PO4 Inorganic materials 0.000 abstract 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 3
- 239000010452 phosphate Substances 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- 239000011888 foil Substances 0.000 abstract 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 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract 1
- 239000004327 boric acid Substances 0.000 abstract 1
- 239000008367 deionised water Substances 0.000 abstract 1
- 229910021641 deionized water Inorganic materials 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 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 |
|---|---|
| GB1395070A true GB1395070A (en) | 1975-05-21 |
Family
ID=19813751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3614572A Expired GB1395070A (en) | 1971-08-05 | 1972-08-02 | Method of treating aluminium foil for use in electrolytic capacitors |
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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4481083A (en) * | 1983-08-31 | 1984-11-06 | Sprague Electric Company | Process for anodizing aluminum foil |
| WO2000046818A1 (en) * | 1999-02-02 | 2000-08-10 | 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 |
Families Citing this family (5)
| 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 |
| US4204919A (en) * | 1979-05-02 | 1980-05-27 | Sprague Electric Company | Treating etched aluminum electrolytic capacitor 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 |
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 JP JP7800172A patent/JPS5721849B2/ja not_active Expired
- 1972-08-03 DE DE19722238245 patent/DE2238245A1/de active Pending
- 1972-08-04 FR FR7228189A patent/FR2148268B1/fr not_active Expired
-
1980
- 1980-06-03 JP JP7383280A patent/JPS5649510A/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4481083A (en) * | 1983-08-31 | 1984-11-06 | Sprague Electric Company | Process for anodizing aluminum foil |
| FR2551468A1 (fr) * | 1983-08-31 | 1985-03-08 | Sprague Electric Co | Procede d'anodisation d'aluminium en feuille |
| WO2000046818A1 (en) * | 1999-02-02 | 2000-08-10 | Kemet Electronics Corporation | Process for treating impregnated electrolytic capacitor anodes |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2238245A1 (de) | 1973-02-15 |
| IT963677B (it) | 1974-01-21 |
| JPS5721849B2 (enrdf_load_stackoverflow) | 1982-05-10 |
| JPS4825166A (enrdf_load_stackoverflow) | 1973-04-02 |
| JPS5649510A (en) | 1981-05-06 |
| FR2148268A1 (enrdf_load_stackoverflow) | 1973-03-11 |
| FR2148268B1 (enrdf_load_stackoverflow) | 1978-03-10 |
| NL7110786A (enrdf_load_stackoverflow) | 1973-02-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |