BRPI0304557B8 - pó de nióbio e capacitor usando o mesmo - Google Patents
pó de nióbio e capacitor usando o mesmoInfo
- Publication number
- BRPI0304557B8 BRPI0304557B8 BRPI0304557A BR0304557A BRPI0304557B8 BR PI0304557 B8 BRPI0304557 B8 BR PI0304557B8 BR PI0304557 A BRPI0304557 A BR PI0304557A BR 0304557 A BR0304557 A BR 0304557A BR PI0304557 B8 BRPI0304557 B8 BR PI0304557B8
- Authority
- BR
- Brazil
- Prior art keywords
- capacitor
- mass ppm
- niobium
- sintered body
- dust
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/02—Alloys based on vanadium, niobium, or tantalum
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Abstract
"pó de nióbio, seu corpo sinterizado e capacitor usando o mesmo". a presente invenção refere-se a um pó de nióbio para um capacitor, tendo teores de mg e zr, cada um de 50 a 400 ppm de massa, um teor de w de 20 a 200 ppm de massa e um teor de ta de 300 a 3.000 ppm de massa, com os teores dos elementos outros que não oxigênio, nitrogênio, hidrogênio, mg, zr, w e ta, cada um, sendo de 50 ppm de massa ou menos, um corpo sinterizado usando o pó e o capacitor usando o corpo sinterizado. o capacitor usando o corpo sinterizado feito do pó de nióbio da presente invenção, tem uma capacitância grande por massa unitária e boa propriedade de resistência ao calor.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002-125083 | 2002-04-26 | ||
| JP2002125083A JP3624898B2 (ja) | 2002-04-26 | 2002-04-26 | ニオブ粉、それを用いた焼結体及びそれを用いたコンデンサ |
| US37622402P | 2002-04-30 | 2002-04-30 | |
| US60/376,224 | 2002-04-30 | ||
| PCT/JP2003/005351 WO2003091466A1 (en) | 2002-04-26 | 2003-04-25 | Niobium powder, sintered body thereof and capacitor using the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| BR0304557A BR0304557A (pt) | 2004-08-03 |
| BR0304557B1 BR0304557B1 (pt) | 2014-03-04 |
| BRPI0304557B8 true BRPI0304557B8 (pt) | 2015-12-22 |
Family
ID=29539901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0304557A BRPI0304557B8 (pt) | 2002-04-26 | 2003-04-25 | pó de nióbio e capacitor usando o mesmo |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6855184B2 (pt) |
| EP (1) | EP1501956B1 (pt) |
| JP (1) | JP3624898B2 (pt) |
| KR (1) | KR100580296B1 (pt) |
| CN (2) | CN100368576C (pt) |
| AT (1) | ATE319866T1 (pt) |
| AU (1) | AU2003231526A1 (pt) |
| BR (1) | BRPI0304557B8 (pt) |
| DE (1) | DE60303922T2 (pt) |
| TW (1) | TWI301121B (pt) |
| WO (1) | WO2003091466A1 (pt) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6540810B2 (en) * | 2000-04-21 | 2003-04-01 | Showa Denko Kabushiki Kaisha | Niobium powder for capacitor, sintered body using the powder and capacitor using the same |
| US6652619B2 (en) * | 2000-08-10 | 2003-11-25 | Showa Denko K.K. | Niobium powder, sintered body thereof, and capacitor using the same |
| JP2004143477A (ja) * | 2002-10-22 | 2004-05-20 | Cabot Supermetal Kk | ニオブ粉末およびその製造方法、並びにそれを用いた固体電解コンデンサ |
| JP4689381B2 (ja) * | 2004-07-16 | 2011-05-25 | 昭和電工株式会社 | コンデンサ素子の製造方法 |
| US7727273B2 (en) * | 2005-01-13 | 2010-06-01 | Boston Scientific Scimed, Inc. | Medical devices and methods of making the same |
| JP2007131476A (ja) * | 2005-11-09 | 2007-05-31 | Tdk Corp | 誘電体磁器組成物、電子部品および積層セラミックコンデンサ |
| US20080078268A1 (en) * | 2006-10-03 | 2008-04-03 | H.C. Starck Inc. | Process for preparing metal powders having low oxygen content, powders so-produced and uses thereof |
| CN100528418C (zh) * | 2008-01-11 | 2009-08-19 | 宁夏东方钽业股份有限公司 | 含氮均匀的阀金属粉末及其制造方法,阀金属坯块和阀金属烧结体以及电解电容器的阳极 |
| US9530569B2 (en) * | 2012-05-29 | 2016-12-27 | Showa Denko K.K. | Method for manufacturing solid electrolytic capacitor element |
| US10329644B2 (en) | 2014-09-11 | 2019-06-25 | Ishihara Chemical Co., Ltd. | Ta—Nb alloy powder and anode element for solid electrolytic capacitor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3254163B2 (ja) * | 1997-02-28 | 2002-02-04 | 昭和電工株式会社 | コンデンサ |
| WO2000067936A1 (en) | 1998-05-06 | 2000-11-16 | H.C. Starck, Inc. | Metal powders produced by the reduction of the oxides with gaseous magnesium |
| IL151549A0 (en) * | 2000-03-01 | 2003-04-10 | Cabot Corp | Nitrided valve metals and processes for making the same |
| US6540810B2 (en) * | 2000-04-21 | 2003-04-01 | Showa Denko Kabushiki Kaisha | Niobium powder for capacitor, sintered body using the powder and capacitor using the same |
| EP1340235B1 (en) * | 2000-11-30 | 2006-08-09 | Showa Denko K.K. | Powder for capacitor, sintered body thereof and capacitor using the sintered body |
-
2002
- 2002-04-26 JP JP2002125083A patent/JP3624898B2/ja not_active Expired - Fee Related
-
2003
- 2003-04-25 US US10/483,297 patent/US6855184B2/en not_active Expired - Lifetime
- 2003-04-25 AT AT03725680T patent/ATE319866T1/de active
- 2003-04-25 TW TW092109760A patent/TWI301121B/zh not_active IP Right Cessation
- 2003-04-25 BR BRPI0304557A patent/BRPI0304557B8/pt not_active IP Right Cessation
- 2003-04-25 EP EP03725680A patent/EP1501956B1/en not_active Expired - Lifetime
- 2003-04-25 CN CNB038006529A patent/CN100368576C/zh not_active Expired - Fee Related
- 2003-04-25 DE DE60303922T patent/DE60303922T2/de not_active Expired - Lifetime
- 2003-04-25 CN CNA2005101092497A patent/CN1767103A/zh active Pending
- 2003-04-25 AU AU2003231526A patent/AU2003231526A1/en not_active Abandoned
- 2003-04-25 KR KR1020047000208A patent/KR100580296B1/ko not_active IP Right Cessation
- 2003-04-25 WO PCT/JP2003/005351 patent/WO2003091466A1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003321724A (ja) | 2003-11-14 |
| AU2003231526A1 (en) | 2003-11-10 |
| CN1533444A (zh) | 2004-09-29 |
| ATE319866T1 (de) | 2006-03-15 |
| WO2003091466A1 (en) | 2003-11-06 |
| BR0304557A (pt) | 2004-08-03 |
| CN100368576C (zh) | 2008-02-13 |
| TW200307645A (en) | 2003-12-16 |
| KR100580296B1 (ko) | 2006-05-16 |
| JP3624898B2 (ja) | 2005-03-02 |
| DE60303922D1 (de) | 2006-05-04 |
| TWI301121B (en) | 2008-09-21 |
| US6855184B2 (en) | 2005-02-15 |
| BR0304557B1 (pt) | 2014-03-04 |
| EP1501956A1 (en) | 2005-02-02 |
| US20040182199A1 (en) | 2004-09-23 |
| DE60303922T2 (de) | 2006-11-09 |
| EP1501956B1 (en) | 2006-03-08 |
| KR20040014660A (ko) | 2004-02-14 |
| CN1767103A (zh) | 2006-05-03 |
| EP1501956A4 (en) | 2005-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 05/03/2014, OBSERVADAS AS CONDICOES LEGAIS. |
|
| B16C | Correction of notification of the grant [chapter 16.3 patent gazette] |
Free format text: REFERENTE A RPI 2252 DE 05/03/2014, QUANTO AO NUMERO DA PRIORIDADE. |
|
| B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 17A ANUIDADE. |
|
| B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: REFERENTE AO DESPACHO 21.6 PUBLICADO NA RPI 2563 DE 2020-02-18 |