CA1056922A - Electrolytic capacitors - Google Patents
Electrolytic capacitorsInfo
- Publication number
- CA1056922A CA1056922A CA229,300A CA229300A CA1056922A CA 1056922 A CA1056922 A CA 1056922A CA 229300 A CA229300 A CA 229300A CA 1056922 A CA1056922 A CA 1056922A
- Authority
- CA
- Canada
- Prior art keywords
- tantalum
- valve metal
- electrode
- thickness
- 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 claims abstract description 37
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 52
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 26
- 238000000576 coating method Methods 0.000 claims abstract description 24
- 239000002245 particle Substances 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000010955 niobium Substances 0.000 claims abstract description 5
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 4
- 230000015556 catabolic process Effects 0.000 claims description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 238000002048 anodisation reaction Methods 0.000 abstract description 6
- 238000007743 anodising Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 abstract description 2
- 229910001257 Nb alloy Inorganic materials 0.000 abstract 1
- 229910001362 Ta alloys Inorganic materials 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 20
- 239000011162 core material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 4
- 238000005056 compaction Methods 0.000 description 2
- 239000007771 core particle Substances 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 101100536354 Drosophila melanogaster tant gene Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- -1 cathode Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- OEIMLTQPLAGXMX-UHFFFAOYSA-I tantalum(v) chloride Chemical compound Cl[Ta](Cl)(Cl)(Cl)Cl OEIMLTQPLAGXMX-UHFFFAOYSA-I 0.000 description 1
- 238000005303 weighing 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
- H01G9/052—Sintered electrodes
- H01G9/0525—Powder therefor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Powder Metallurgy (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Insulated Conductors (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Chemical Vapour Deposition (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB27378/74A GB1507667A (en) | 1974-06-20 | 1974-06-20 | Electrolytic capacitors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1056922A true CA1056922A (en) | 1979-06-19 |
Family
ID=10258635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA229,300A Expired CA1056922A (en) | 1974-06-20 | 1975-06-13 | Electrolytic capacitors |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5842614B2 (da) |
| CA (1) | CA1056922A (da) |
| DE (1) | DE2524868B2 (da) |
| DK (1) | DK274175A (da) |
| ES (1) | ES438755A1 (da) |
| GB (1) | GB1507667A (da) |
| HK (1) | HK8381A (da) |
| IE (1) | IE43055B1 (da) |
| NO (1) | NO145417C (da) |
| SE (1) | SE421734B (da) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2631776C3 (de) * | 1976-07-15 | 1979-06-13 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Elektrolytkondensator |
| US4618525A (en) * | 1985-06-03 | 1986-10-21 | Minnesota Mining And Manufacturing Company | Coated glass microbubbles and article incorporating them |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3708728A (en) * | 1971-06-10 | 1973-01-02 | Int Standard Electric Corp | Electrolytic capacitor electrode comprising semiconductor core with film-forming metal coating |
-
1974
- 1974-06-20 GB GB27378/74A patent/GB1507667A/en not_active Expired
-
1975
- 1975-06-04 DE DE19752524868 patent/DE2524868B2/de not_active Ceased
- 1975-06-09 IE IE1295/75A patent/IE43055B1/en unknown
- 1975-06-10 NO NO752043A patent/NO145417C/no unknown
- 1975-06-12 SE SE7506775A patent/SE421734B/xx unknown
- 1975-06-13 CA CA229,300A patent/CA1056922A/en not_active Expired
- 1975-06-18 DK DK274175A patent/DK274175A/da not_active Application Discontinuation
- 1975-06-20 ES ES438755A patent/ES438755A1/es not_active Expired
- 1975-06-20 JP JP50074564A patent/JPS5842614B2/ja not_active Expired
-
1981
- 1981-03-12 HK HK83/81A patent/HK8381A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES438755A1 (es) | 1977-06-16 |
| DK274175A (da) | 1975-12-21 |
| DE2524868A1 (de) | 1976-01-08 |
| IE43055B1 (en) | 1980-12-17 |
| GB1507667A (en) | 1978-04-19 |
| DE2524868B2 (de) | 1977-09-01 |
| HK8381A (en) | 1981-03-20 |
| SE421734B (sv) | 1982-01-25 |
| NO145417B (no) | 1981-12-07 |
| NO752043L (da) | 1975-12-23 |
| SE7506775L (sv) | 1975-12-22 |
| IE43055L (en) | 1975-12-20 |
| NO145417C (no) | 1982-03-17 |
| JPS5842614B2 (ja) | 1983-09-21 |
| JPS5132948A (da) | 1976-03-19 |
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