DE3917425A1 - Verfahren zum herstellen von elektrodenfolien fuer insbesondere hochvolt-elektrolytkondensatoren - Google Patents
Verfahren zum herstellen von elektrodenfolien fuer insbesondere hochvolt-elektrolytkondensatorenInfo
- Publication number
- DE3917425A1 DE3917425A1 DE19893917425 DE3917425A DE3917425A1 DE 3917425 A1 DE3917425 A1 DE 3917425A1 DE 19893917425 DE19893917425 DE 19893917425 DE 3917425 A DE3917425 A DE 3917425A DE 3917425 A1 DE3917425 A1 DE 3917425A1
- Authority
- DE
- Germany
- Prior art keywords
- roughening
- bath
- foils
- foil
- roughened
- 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.)
- Granted
Links
- 239000011888 foil Substances 0.000 title claims abstract description 20
- 238000007788 roughening Methods 0.000 title claims abstract description 10
- 239000003990 capacitor Substances 0.000 title claims abstract description 5
- 238000005530 etching Methods 0.000 claims abstract description 18
- 239000008367 deionised water Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 239000003792 electrolyte Substances 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 235000011007 phosphoric acid Nutrition 0.000 abstract 2
- 239000005030 aluminium foil Substances 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 238000009827 uniform distribution Methods 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 244000052616 bacterial pathogen Species 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007858 starting material Substances 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
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
-
- 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
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)
- ing And Chemical Polishing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893917425 DE3917425A1 (de) | 1989-05-29 | 1989-05-29 | Verfahren zum herstellen von elektrodenfolien fuer insbesondere hochvolt-elektrolytkondensatoren |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893917425 DE3917425A1 (de) | 1989-05-29 | 1989-05-29 | Verfahren zum herstellen von elektrodenfolien fuer insbesondere hochvolt-elektrolytkondensatoren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3917425A1 true DE3917425A1 (de) | 1990-12-06 |
| DE3917425C2 DE3917425C2 (enrdf_load_stackoverflow) | 1993-07-01 |
Family
ID=6381589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19893917425 Granted DE3917425A1 (de) | 1989-05-29 | 1989-05-29 | Verfahren zum herstellen von elektrodenfolien fuer insbesondere hochvolt-elektrolytkondensatoren |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3917425A1 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4232636A1 (de) * | 1992-09-29 | 1994-03-31 | Siemens Ag | Verfahren zum Herstellen von Elektrodenfolien für, insbesondere Hochvolt-, Elektrolytkondensatoren |
| EP0665310A1 (en) * | 1994-01-26 | 1995-08-02 | KDK Corporation | Method of etching metal foil |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3127161A1 (de) * | 1981-07-09 | 1983-01-20 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen einer elektrodenfolie fuer insbesondere niedervolt-elektrolytkondensatoren |
| DE3619890A1 (de) * | 1986-06-13 | 1987-12-17 | Siemens Ag | Verfahren zum herstellen von anodenfolien aus aluminium fuer elektrolytkondensatoren |
-
1989
- 1989-05-29 DE DE19893917425 patent/DE3917425A1/de active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3127161A1 (de) * | 1981-07-09 | 1983-01-20 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen einer elektrodenfolie fuer insbesondere niedervolt-elektrolytkondensatoren |
| DE3619890A1 (de) * | 1986-06-13 | 1987-12-17 | Siemens Ag | Verfahren zum herstellen von anodenfolien aus aluminium fuer elektrolytkondensatoren |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4232636A1 (de) * | 1992-09-29 | 1994-03-31 | Siemens Ag | Verfahren zum Herstellen von Elektrodenfolien für, insbesondere Hochvolt-, Elektrolytkondensatoren |
| EP0665310A1 (en) * | 1994-01-26 | 1995-08-02 | KDK Corporation | Method of etching metal foil |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3917425C2 (enrdf_load_stackoverflow) | 1993-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8120 | Willingness to grant licenses paragraph 23 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: EPCOS AG, 81541 MUENCHEN, DE |
|
| 8339 | Ceased/non-payment of the annual fee |