CA1156598A - Treating etched aluminum electrolytic capacitor foil - Google Patents
Treating etched aluminum electrolytic capacitor foilInfo
- Publication number
- CA1156598A CA1156598A CA000349588A CA349588A CA1156598A CA 1156598 A CA1156598 A CA 1156598A CA 000349588 A CA000349588 A CA 000349588A CA 349588 A CA349588 A CA 349588A CA 1156598 A CA1156598 A CA 1156598A
- Authority
- CA
- Canada
- Prior art keywords
- foil
- process according
- sec
- minutes
- solution
- 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
- 239000011888 foil Substances 0.000 title claims abstract description 39
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 239000003990 capacitor Substances 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000009835 boiling Methods 0.000 claims abstract description 18
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 17
- 238000002048 anodisation reaction Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 16
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 16
- 239000010452 phosphate Substances 0.000 claims abstract description 15
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 14
- 229940095064 tartrate Drugs 0.000 claims abstract description 9
- 239000007864 aqueous solution Substances 0.000 claims abstract description 5
- 235000021317 phosphate Nutrition 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 14
- 235000010210 aluminium Nutrition 0.000 claims description 11
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 9
- 230000035484 reaction time Effects 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- 230000003993 interaction Effects 0.000 claims 1
- 238000011282 treatment Methods 0.000 abstract description 7
- -1 tartrate ions Chemical class 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000007654 immersion Methods 0.000 description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
- 239000004115 Sodium Silicate Substances 0.000 description 4
- 230000003472 neutralizing effect Effects 0.000 description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
- 229910052911 sodium silicate Inorganic materials 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 235000011007 phosphoric acid Nutrition 0.000 description 3
- 229960001367 tartaric acid Drugs 0.000 description 3
- 235000002906 tartaric acid Nutrition 0.000 description 3
- 239000011975 tartaric acid Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 150000003892 tartrate salts Chemical class 0.000 description 1
- NBIIXXVUZAFLBC-HOSYLAQJSA-K trioxido(oxo)-$l^{5}-phosphane Chemical compound [O-][32P]([O-])([O-])=O NBIIXXVUZAFLBC-HOSYLAQJSA-K 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/16—Pretreatment, e.g. desmutting
-
- 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)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical Treatment Of Metals (AREA)
- Electrochemical Coating By Surface Reaction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/035,145 US4204919A (en) | 1979-05-02 | 1979-05-02 | Treating etched aluminum electrolytic capacitor foil |
| US035,145 | 1979-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1156598A true CA1156598A (en) | 1983-11-08 |
Family
ID=21880933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000349588A Expired CA1156598A (en) | 1979-05-02 | 1980-04-10 | Treating etched aluminum electrolytic capacitor foil |
Country Status (5)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4462842A (en) * | 1979-08-13 | 1984-07-31 | Showa Aluminum Corporation | Surface treatment process for imparting hydrophilic properties to aluminum articles |
| JPS5989796A (ja) * | 1982-11-12 | 1984-05-24 | Hitachi Condenser Co Ltd | 電解コンデンサ用アルミ箔の製造方法 |
| US4470885A (en) * | 1983-02-07 | 1984-09-11 | Sprague Electric Company | Process for treating aluminum electrolytic capacitor foil |
| JPS6137977A (ja) * | 1984-07-28 | 1986-02-22 | Marcon Electronics Co Ltd | 電解コンデンサ用アルミ箔の化成方法 |
| US4537665A (en) * | 1984-09-04 | 1985-08-27 | Sprague Electric Company | Production of aluminum foil capacitor electrodes |
| NL8500473A (nl) * | 1985-02-20 | 1986-09-16 | Philips Nv | Werkwijze voor de vervaardiging van een elektrolytische wikkelcondensator. |
| CS253788B1 (en) * | 1985-08-13 | 1987-12-17 | Ivan Emmer | Method for electric moisture-content sensor production |
| EP0224444B1 (de) * | 1985-11-25 | 1990-05-09 | Alusuisse-Lonza Services Ag | Verfahren zur Herstellung einer teildurchlässigen Membran |
| JPH0782968B2 (ja) * | 1988-08-03 | 1995-09-06 | 信英通信工業株式会社 | アルミニウム電解コンデンサ用電極箔の製造方法 |
| US5124022A (en) * | 1989-08-23 | 1992-06-23 | Aluminum Company Of America | Electrolytic capacitor and method of making same |
| DE69106454T2 (de) * | 1990-08-16 | 1995-05-11 | Fuji Photo Film Co Ltd | Herstellungsverfahren für ein Substrat für lithographische Druckplatten, nach diesem Verfahren hergestelltes Substrat für lithographische Druckplatten und das Substrat enthaltende vorsensibilisierte Platte. |
| US5359261A (en) * | 1990-12-28 | 1994-10-25 | Stanley Electric Co., Ltd. | Electroluminescence display |
| CA2249896A1 (en) * | 1997-10-14 | 1999-04-14 | Shell Canada Limited | Method of thermally insulating a wellbore |
| US20040140221A1 (en) * | 2003-01-21 | 2004-07-22 | Kinard John Tony | Method of anodizing aluminum utilizing stabilized silicate solutions |
| US8345409B2 (en) * | 2010-03-31 | 2013-01-01 | Nippon Chemi-Con Corporation | Solid electrolytic capacitor |
| CN106245087A (zh) * | 2016-09-14 | 2016-12-21 | 南通海星电子股份有限公司 | 铝电解电容器用低压化成箔的前处理方法 |
| CN115110130B (zh) * | 2022-06-30 | 2024-04-02 | 乳源瑶族自治县东阳光化成箔有限公司 | 一种无磷低压化成箔的化成方法及制得的化成箔 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE18833E (en) | 1933-05-16 | Process of treating aluminum | ||
| US1946153A (en) * | 1931-06-20 | 1934-02-06 | Aluminum Co Of America | Protecting aluminum from corrosion |
| US2126954A (en) * | 1935-06-03 | 1938-08-16 | Aluminum Co Of America | Method of stabilizing coating on aluminum |
| GB518733A (en) | 1938-08-30 | 1940-03-06 | British Insulated Cables Ltd | Improvements in electrolytic devices |
| US2396685A (en) * | 1940-11-07 | 1946-03-19 | Aerovox Corp | Art of aluminum etching |
| NL102370C (US20080293856A1-20081127-C00150.png) * | 1954-12-16 | |||
| US2853445A (en) * | 1956-04-06 | 1958-09-23 | Aerovox Corp | Process of etching aluminum foil for electrolytic capacitor |
| US2981647A (en) * | 1958-09-04 | 1961-04-25 | Bell Telephone Labor Inc | Fabrication of electrolytic capacitor |
| NL6606084A (US20080293856A1-20081127-C00150.png) | 1966-05-05 | 1967-11-06 | ||
| NL7110786A (US20080293856A1-20081127-C00150.png) * | 1971-08-05 | 1973-02-07 | ||
| USRE28015E (en) | 1972-09-13 | 1974-05-21 | Aluminum electrode electrolytic capacitor construction | |
| US4113579A (en) * | 1977-04-28 | 1978-09-12 | Sprague Electric Company | Process for producing an aluminum electrolytic capacitor having a stable oxide film |
-
1979
- 1979-05-02 US US06/035,145 patent/US4204919A/en not_active Expired - Lifetime
-
1980
- 1980-04-10 CA CA000349588A patent/CA1156598A/en not_active Expired
- 1980-04-21 GB GB8013024A patent/GB2048313B/en not_active Expired
- 1980-04-29 DE DE19803016451 patent/DE3016451A1/de active Granted
- 1980-05-02 JP JP5936180A patent/JPS55153319A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3016451C2 (US20080293856A1-20081127-C00150.png) | 1987-04-09 |
| JPS6349364B2 (US20080293856A1-20081127-C00150.png) | 1988-10-04 |
| JPS55153319A (en) | 1980-11-29 |
| GB2048313B (en) | 1983-05-18 |
| US4204919A (en) | 1980-05-27 |
| GB2048313A (en) | 1980-12-10 |
| DE3016451A1 (de) | 1980-11-13 |
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| RU93033138A (ru) | Способ электролитического покрытия металлов анодным искровым осаждением и электролит для осуществления способа | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |