CH371937A - Verfahren zur elektrolytischen Ätzung von Kondensatorelektroden - Google Patents
Verfahren zur elektrolytischen Ätzung von KondensatorelektrodenInfo
- Publication number
- CH371937A CH371937A CH3296156A CH3296156A CH371937A CH 371937 A CH371937 A CH 371937A CH 3296156 A CH3296156 A CH 3296156A CH 3296156 A CH3296156 A CH 3296156A CH 371937 A CH371937 A CH 371937A
- Authority
- CH
- Switzerland
- Prior art keywords
- capacitor electrodes
- electrolytic etching
- electrolytic
- etching
- capacitor
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 title 1
- 238000000866 electrolytic etching Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 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
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/055—Etched foil electrodes
-
- 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
- C25F3/08—Etching of refractory 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)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US507010A US2863811A (en) | 1955-05-09 | 1955-05-09 | Method of etching capacitor electrodes |
| CH307013T | 1956-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH371937A true CH371937A (de) | 1963-09-15 |
Family
ID=25735240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH3296156A CH371937A (de) | 1955-05-09 | 1956-05-07 | Verfahren zur elektrolytischen Ätzung von Kondensatorelektroden |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2863811A (de) |
| BE (1) | BE547173A (de) |
| CH (1) | CH371937A (de) |
| GB (1) | GB794465A (de) |
| NL (2) | NL207013A (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3070522A (en) * | 1957-11-08 | 1962-12-25 | Sprague Electric Co | Process for electrochemically etching tantalum foil |
| US3079536A (en) * | 1959-09-21 | 1963-02-26 | Bell Telephone Labor Inc | Film-forming metal capacitors |
| US3357905A (en) * | 1960-03-28 | 1967-12-12 | Cleveland Twist Drill Co | Electrolyte composition and method of electrolytically removing stock from workpiece |
| US3190822A (en) * | 1961-01-09 | 1965-06-22 | Burnham John | Process for electrolytically etching valve metal surfaces |
| US3259475A (en) * | 1961-01-09 | 1966-07-05 | Burnham John | Etched metal valve surfaces of tantalum or niobium or titanium |
| US3156633A (en) * | 1962-02-21 | 1964-11-10 | Bell Telephone Labor Inc | Film-forming metal capacitors |
| US3245891A (en) * | 1962-03-23 | 1966-04-12 | Anocut Eng Co | Method for electrolytically shaping group 5b metals |
| US3314867A (en) * | 1963-11-01 | 1967-04-18 | James K Gore | Method of etching tantalum and niobium for electroplating |
| US3332859A (en) * | 1963-12-27 | 1967-07-25 | Gen Electric | Process for producing tantalum foil for capacitors |
| US3297555A (en) * | 1964-07-24 | 1967-01-10 | Kawecki Chemical Company | Etching of tantalum and columbium foils |
| US3413205A (en) * | 1966-02-28 | 1968-11-26 | Westinghouse Electric Corp | Electrolytic etching of capacitor metal |
| DE10320909A1 (de) * | 2003-05-09 | 2004-11-18 | Poligrat Holding Gmbh | Elektrolyt zum elektrochemischen Polieren von Metalloberflächen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2218076A (en) * | 1937-02-06 | 1940-10-15 | Werner Paul | Electrode, particularly for electrolytic devices |
| US2209712A (en) * | 1937-05-06 | 1940-07-30 | Joseph B Brennan | Method of treating aluminum |
| US2336846A (en) * | 1938-01-03 | 1943-12-14 | Gen Electric | Etching of capacitor armatures |
| US2368688A (en) * | 1943-01-21 | 1945-02-06 | Bell Telephone Labor Inc | Electrolytic device |
| US2466095A (en) * | 1944-03-15 | 1949-04-05 | Pennsylvania Salt Mfg Co | Electrochemical process for polishing tantalum |
| BE505482A (de) * | 1950-08-29 |
-
0
- NL NL93969D patent/NL93969C/xx active
- NL NL207013D patent/NL207013A/xx unknown
- BE BE547173D patent/BE547173A/xx unknown
-
1955
- 1955-05-09 US US507010A patent/US2863811A/en not_active Expired - Lifetime
-
1956
- 1956-04-23 GB GB12358/56A patent/GB794465A/en not_active Expired
- 1956-05-07 CH CH3296156A patent/CH371937A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2863811A (en) | 1958-12-09 |
| NL207013A (de) | |
| GB794465A (en) | 1958-05-07 |
| BE547173A (de) | |
| NL93969C (de) |
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