DE2234618C3 - Elektrolytkondensator und Verfahren zur Herstellung seiner Elektroden - Google Patents
Elektrolytkondensator und Verfahren zur Herstellung seiner ElektrodenInfo
- Publication number
- DE2234618C3 DE2234618C3 DE2234618A DE2234618A DE2234618C3 DE 2234618 C3 DE2234618 C3 DE 2234618C3 DE 2234618 A DE2234618 A DE 2234618A DE 2234618 A DE2234618 A DE 2234618A DE 2234618 C3 DE2234618 C3 DE 2234618C3
- Authority
- DE
- Germany
- Prior art keywords
- aluminum
- layer
- substrate
- electrolytic capacitor
- tantalum
- 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
- 239000003990 capacitor Substances 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 33
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 33
- 239000010410 layer Substances 0.000 claims description 27
- 239000000758 substrate Substances 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052715 tantalum Inorganic materials 0.000 claims description 9
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 9
- 239000003792 electrolyte Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims description 2
- 238000007738 vacuum evaporation Methods 0.000 claims 1
- 239000011888 foil Substances 0.000 description 32
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000005530 etching Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000007740 vapor deposition Methods 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
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16479271A | 1971-07-21 | 1971-07-21 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2234618A1 DE2234618A1 (de) | 1973-02-01 |
| DE2234618B2 DE2234618B2 (de) | 1978-06-22 |
| DE2234618C3 true DE2234618C3 (de) | 1979-02-22 |
Family
ID=22596113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2234618A Expired DE2234618C3 (de) | 1971-07-21 | 1972-07-14 | Elektrolytkondensator und Verfahren zur Herstellung seiner Elektroden |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3697822A (enExample) |
| JP (1) | JPS549296B1 (enExample) |
| CA (1) | CA940609A (enExample) |
| DE (1) | DE2234618C3 (enExample) |
| FR (1) | FR2146450B1 (enExample) |
| GB (1) | GB1347442A (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4327400A (en) * | 1979-01-10 | 1982-04-27 | Matsushita Electric Industrial Co., Ltd. | Electric double layer capacitor |
| US4323950A (en) * | 1979-10-31 | 1982-04-06 | Sprague Electric Company | Electrolytic capacitor with high-purity aluminized cathode |
| US4934033A (en) * | 1987-01-23 | 1990-06-19 | Nitsuko Corporation | Method of manufacturing a solid electrolytic capacitor |
| JPH0722075B2 (ja) * | 1987-01-23 | 1995-03-08 | 日通工株式会社 | 固体電解コンデンサの半導体層形成方法 |
| US4805074A (en) * | 1987-03-20 | 1989-02-14 | Nitsuko Corporation | Solid electrolytic capacitor, and method of manufacturing same |
| FR2688092B1 (fr) * | 1992-02-14 | 1994-04-15 | Traitement Metaux Alliages Sa | Feuille pour electrode de condensateur electrolytique et procede de fabrication. |
| JP5463749B2 (ja) * | 2009-06-17 | 2014-04-09 | ソニー株式会社 | 透明導電性フィルムおよび透明導電性フィルムの製造方法 |
| KR102625388B1 (ko) * | 2019-03-01 | 2024-01-17 | 이너 몽골리아 우란차부 동양광 폼드 포일 컴퍼니 리미티드 | 전극 구조체 및 이의 제조 방법 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2085413A (en) * | 1933-05-27 | 1937-06-29 | Rca Corp | Carbon coated container for electrolytic condensers |
| US2368688A (en) * | 1943-01-21 | 1945-02-06 | Bell Telephone Labor Inc | Electrolytic device |
| US2636062A (en) * | 1949-11-19 | 1953-04-21 | Mallory & Co Inc P R | Electrochemical cell and selfventing enclosure therefor |
| US3082360A (en) * | 1953-05-13 | 1963-03-19 | Sprague Electric Co | Electrolytic capacitors |
-
1971
- 1971-07-21 US US164792A patent/US3697822A/en not_active Expired - Lifetime
-
1972
- 1972-06-19 CA CA145,095A patent/CA940609A/en not_active Expired
- 1972-07-14 DE DE2234618A patent/DE2234618C3/de not_active Expired
- 1972-07-20 JP JP7215172A patent/JPS549296B1/ja active Pending
- 1972-07-20 FR FR7226266A patent/FR2146450B1/fr not_active Expired
- 1972-07-21 GB GB3425372A patent/GB1347442A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2234618A1 (de) | 1973-02-01 |
| JPS549296B1 (enExample) | 1979-04-23 |
| FR2146450A1 (enExample) | 1973-03-02 |
| FR2146450B1 (enExample) | 1976-03-12 |
| GB1347442A (en) | 1974-02-27 |
| US3697822A (en) | 1972-10-10 |
| DE2234618B2 (de) | 1978-06-22 |
| CA940609A (en) | 1974-01-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| EF | Willingness to grant licences | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: FUCHS, J., DR.-ING. DIPL.-ING. B.COM., PAT.-ANW., 6200 WIESBADEN |
|
| 8339 | Ceased/non-payment of the annual fee |