GB1132381A - Improvements in or relating to aluminium foil - Google Patents
Improvements in or relating to aluminium foilInfo
- Publication number
- GB1132381A GB1132381A GB10566A GB10566A GB1132381A GB 1132381 A GB1132381 A GB 1132381A GB 10566 A GB10566 A GB 10566A GB 10566 A GB10566 A GB 10566A GB 1132381 A GB1132381 A GB 1132381A
- Authority
- GB
- United Kingdom
- Prior art keywords
- foil
- aluminium
- jan
- annealing
- relating
- 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 1
- 239000011888 foil Substances 0.000 abstract 5
- 238000000137 annealing Methods 0.000 abstract 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 2
- 229910000838 Al alloy Inorganic materials 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 abstract 1
- 238000005530 etching Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 238000005482 strain hardening Methods 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
- C25F3/04—Etching of light metals
-
- 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)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Metal Rolling (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
1,132,381. Making foil for electrolytic capacitors. REPUBLIC FOIL Inc. 3 Jan., 1966 [4 Jan., 1965; 10 June, 1965], No. 105/66. Heading B3A. [Also in Divisions C7 and El] A method of improving the capacitance of an aluminium or aluminium alloy foil containing in excess of 95% of aluminium comprises cold working the foil to very thin sheets having a thickness of between 0.0006 to 0.006 inch and a thickness reduction of between 85% to 95% and directly subjecting the coldworked foil to etching with subsequent annealing and anodic formation. The annealing step may be replaced by high temperature air oxidation, at a temperature of 450-550‹ C. during which annealing takes place.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42330865A | 1965-01-04 | 1965-01-04 | |
| US46305565A | 1965-06-10 | 1965-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1132381A true GB1132381A (en) | 1968-10-30 |
Family
ID=27025945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10566A Expired GB1132381A (en) | 1965-01-04 | 1966-01-03 | Improvements in or relating to aluminium foil |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE674012A (en) |
| DE (1) | DE1298187B (en) |
| FR (1) | FR1469534A (en) |
| GB (1) | GB1132381A (en) |
| LU (1) | LU50108A1 (en) |
| NL (1) | NL140086B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2102702B2 (en) * | 1971-01-21 | 1979-01-18 | Aluminium-Walzwerke Singen Gmbh, 7700 Singen | Use of Al-Mn alloys for cathode foils of electrolytic capacitors |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH203783A (en) * | 1936-07-01 | 1939-03-31 | Radiowerk E Schrack Aktien Ges | Electrolytic capacitor and process for its manufacture. |
-
1962
- 1962-07-09 FR FR42730A patent/FR1469534A/en not_active Expired
-
1965
- 1965-12-20 BE BE674012A patent/BE674012A/xx unknown
- 1965-12-20 LU LU50108D patent/LU50108A1/xx unknown
- 1965-12-29 DE DE1965R0042331 patent/DE1298187B/en active Pending
- 1965-12-31 NL NL6517231A patent/NL140086B/en unknown
-
1966
- 1966-01-03 GB GB10566A patent/GB1132381A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE674012A (en) | 1966-06-20 |
| NL140086B (en) | 1973-10-15 |
| DE1298187B (en) | 1969-06-26 |
| LU50108A1 (en) | 1967-06-20 |
| NL6517231A (en) | 1966-07-05 |
| FR1469534A (en) | 1967-02-17 |
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