GB1351924A - Method of manufacturing solid aluminium capacitors and capacitors obtained by this method - Google Patents
Method of manufacturing solid aluminium capacitors and capacitors obtained by this methodInfo
- Publication number
- GB1351924A GB1351924A GB1273173A GB1273173A GB1351924A GB 1351924 A GB1351924 A GB 1351924A GB 1273173 A GB1273173 A GB 1273173A GB 1273173 A GB1273173 A GB 1273173A GB 1351924 A GB1351924 A GB 1351924A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plates
- capacitors
- tag
- march
- capacitor
- 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 abstract 7
- 239000004411 aluminium Substances 0.000 title abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052782 aluminium Inorganic materials 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 239000007787 solid Substances 0.000 title 1
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 abstract 2
- 238000004080 punching Methods 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- 238000007743 anodising Methods 0.000 abstract 1
- 238000000151 deposition Methods 0.000 abstract 1
- 238000005530 etching Methods 0.000 abstract 1
- 229910002804 graphite Inorganic materials 0.000 abstract 1
- 239000010439 graphite Substances 0.000 abstract 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 abstract 1
- 238000000197 pyrolysis Methods 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- 229910052709 silver Inorganic materials 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
1351924 Electrolytic capacitors PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 16 March 1973 [20 March 1972] 12731/73 Heading H1M A method of manufacturing an electrolytic capacitor comprises punching from an aluminium sheet a series of strips 7 each comprising plates 13 interconnected by bridge portions 17, the strips extending perpendicularly to carrier ribbon 5 to which they are attached by connecting tags 9, etching the plates, folding the plates of each strip upon themselves to form a folded stack (Fig. 6), anodizing the plates, depositing a semi-conductive layer thereon by pyrolysis of manganese nitrate, applying a graphite and a silver layer thereto and severing capacitor elements from the carrier strip. Preferably, before forming, e.g. during the punching operation, connecting tag 9 is folded to form a dam 19 which helps to prevent the manganese dioxide layer from contacting the unanodized part of tag 19 to which the anode lead is to be attached. The capacitors may be encapsulated, suitably as far as the cut edge of tag 9 which provides an abutment surface when the capacitor is mounted on a printed circuit board.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7203719A NL7203719A (en) | 1972-03-20 | 1972-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1351924A true GB1351924A (en) | 1974-05-15 |
Family
ID=19815660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1273173A Expired GB1351924A (en) | 1972-03-20 | 1973-03-16 | Method of manufacturing solid aluminium capacitors and capacitors obtained by this method |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3819340A (en) |
| JP (1) | JPS5710564B2 (en) |
| CA (1) | CA970072A (en) |
| DE (1) | DE2312337C2 (en) |
| FR (1) | FR2176813B1 (en) |
| GB (1) | GB1351924A (en) |
| IT (1) | IT982553B (en) |
| NL (1) | NL7203719A (en) |
| SE (1) | SE387001B (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50123838U (en) * | 1974-03-25 | 1975-10-09 | ||
| JPS5194445U (en) * | 1975-01-29 | 1976-07-29 | ||
| US4267566A (en) * | 1979-04-02 | 1981-05-12 | Sprague Electric Company | Sealed flat electrolytic capacitor and method |
| FR2462775A1 (en) * | 1979-08-03 | 1981-02-13 | Eurofarad | Dry electrolytic capacitor mfr. - with aluminium anode manganese di:oxide electrolyte and silvered graphite cathode |
| JPS56163123A (en) * | 1980-05-22 | 1981-12-15 | Ube Ind Ltd | Polyamic acid solution composition and its preparation |
| FR2494891A1 (en) * | 1980-11-26 | 1982-05-28 | Eurofarad | Dry aluminium anode electrolytic capacitor fabrication process - has single metal pressing which is folded into a multi-leaf structure following chemical treatment |
| NL8402251A (en) * | 1984-07-17 | 1986-02-17 | Philips Nv | ENCLOSED ELECTRIC COMPONENT. |
| NL8403928A (en) * | 1984-12-24 | 1986-07-16 | Philips Nv | DRY ELECTROLYTIC CONDITIONER. |
| DE3787119T2 (en) * | 1986-05-20 | 1993-12-23 | Showa Denko Kk | Coil type electrolytic capacitor. |
| NL8601640A (en) * | 1986-06-24 | 1988-01-18 | Philips Nv | ELECTRONIC COMPONENT WITH WIRE CONNECTIONS. |
| JPS63232413A (en) * | 1987-03-20 | 1988-09-28 | 日通工株式会社 | Solid electrolytic capacitor and manufacture of the same |
| DE4132329A1 (en) * | 1991-09-27 | 1993-04-01 | Siemens Ag | Determn. of pyrolysis for semiconducting metal-oxide films - measuring difference between temps. of gas circulation upstream and downstream from sintered capacitor bodies. |
| US5660737A (en) * | 1995-05-17 | 1997-08-26 | Ventritex, Inc. | Process for making a capacitor foil with enhanced surface area |
| US7830646B2 (en) * | 2007-09-25 | 2010-11-09 | Ioxus, Inc. | Multi electrode series connected arrangement supercapacitor |
| US20090279230A1 (en) * | 2008-05-08 | 2009-11-12 | Renewable Energy Development, Inc. | Electrode structure for the manufacture of an electric double layer capacitor |
| US8411413B2 (en) * | 2008-08-28 | 2013-04-02 | Ioxus, Inc. | High voltage EDLC cell and method for the manufacture thereof |
| WO2012101866A1 (en) * | 2011-01-28 | 2012-08-02 | 株式会社村田製作所 | Solid electrolytic capacitor and method for manufacturing same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1215260B (en) * | 1964-06-12 | 1966-04-28 | Bosch Gmbh Robert | Process for the production of solid electrolytic capacitors |
| US3290761A (en) * | 1964-07-14 | 1966-12-13 | Electra Mfg Company | Method of manufacturing and attaching non-electrolytic tantalum capacitors |
| US3373320A (en) * | 1964-11-06 | 1968-03-12 | Mallory & Co Inc P R | Solid aluminum capacitor with aluminum felt electrodes |
| US3345544A (en) * | 1965-05-17 | 1967-10-03 | Mallory & Co Inc P R | Solid aluminum capacitors having a proted dielectric oxide film |
| US3412444A (en) * | 1966-05-02 | 1968-11-26 | Mallory & Co Inc P R | Method for making capacitor having porous electrode of sintered powder on foil |
| FR2052410A5 (en) * | 1969-06-24 | 1971-04-09 | Matsuo Electric Co | |
| US3618200A (en) * | 1970-04-17 | 1971-11-09 | Matsuo Electric Co | Method of manufacturing chip-shaped passive electronic components |
-
1972
- 1972-03-20 NL NL7203719A patent/NL7203719A/xx unknown
-
1973
- 1973-03-13 DE DE2312337A patent/DE2312337C2/en not_active Expired
- 1973-03-14 US US00340965A patent/US3819340A/en not_active Expired - Lifetime
- 1973-03-15 CA CA166,955A patent/CA970072A/en not_active Expired
- 1973-03-16 SE SE7303731A patent/SE387001B/en unknown
- 1973-03-16 FR FR7309542A patent/FR2176813B1/fr not_active Expired
- 1973-03-16 GB GB1273173A patent/GB1351924A/en not_active Expired
- 1973-03-16 IT IT21805/73A patent/IT982553B/en active
- 1973-03-17 JP JP3054373A patent/JPS5710564B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7203719A (en) | 1973-09-24 |
| DE2312337A1 (en) | 1973-10-04 |
| DE2312337C2 (en) | 1984-09-13 |
| FR2176813B1 (en) | 1977-04-29 |
| IT982553B (en) | 1974-10-21 |
| JPS4912357A (en) | 1974-02-02 |
| US3819340A (en) | 1974-06-25 |
| SE387001B (en) | 1976-08-23 |
| FR2176813A1 (en) | 1973-11-02 |
| JPS5710564B2 (en) | 1982-02-26 |
| CA970072A (en) | 1975-06-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |