IL126729A - Method of making tantalum metal powder with controlled size distribution and products made therefrom - Google Patents
Method of making tantalum metal powder with controlled size distribution and products made therefromInfo
- Publication number
- IL126729A IL126729A IL12672997A IL12672997A IL126729A IL 126729 A IL126729 A IL 126729A IL 12672997 A IL12672997 A IL 12672997A IL 12672997 A IL12672997 A IL 12672997A IL 126729 A IL126729 A IL 126729A
- Authority
- IL
- Israel
- Prior art keywords
- powder
- tantalum powder
- size distribution
- heat treated
- comminuted
- Prior art date
Links
- 239000000843 powder Substances 0.000 title claims abstract description 232
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 238000009826 distribution Methods 0.000 title claims abstract description 98
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 230000009467 reduction Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 105
- 230000008569 process Effects 0.000 claims description 84
- 239000003990 capacitor Substances 0.000 claims description 50
- 239000002245 particle Substances 0.000 claims description 38
- 229910052715 tantalum Inorganic materials 0.000 claims description 36
- 239000000047 product Substances 0.000 claims description 28
- 238000012216 screening Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 230000006872 improvement Effects 0.000 claims description 13
- 239000011734 sodium Substances 0.000 claims description 11
- 229910052708 sodium Inorganic materials 0.000 claims description 11
- 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 claims description 10
- 238000005054 agglomeration Methods 0.000 claims description 10
- 230000002776 aggregation Effects 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000011777 magnesium Substances 0.000 claims description 5
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 238000002386 leaching Methods 0.000 claims 3
- 150000003481 tantalum Chemical class 0.000 claims 3
- 239000013067 intermediate product Substances 0.000 claims 2
- 238000005406 washing Methods 0.000 claims 2
- 238000000227 grinding Methods 0.000 claims 1
- 238000004513 sizing Methods 0.000 description 16
- 238000005245 sintering Methods 0.000 description 14
- 239000008188 pellet Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 238000003801 milling Methods 0.000 description 11
- 239000011164 primary particle Substances 0.000 description 9
- 238000006722 reduction reaction Methods 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010297 mechanical methods and process Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 230000002902 bimodal effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005226 mechanical processes and functions Effects 0.000 description 4
- 238000011946 reduction process Methods 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000001311 chemical methods and process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 238000002048 anodisation reaction Methods 0.000 description 2
- 238000007743 anodising Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 150000003482 tantalum compounds Chemical class 0.000 description 2
- YRGLXIVYESZPLQ-UHFFFAOYSA-I tantalum pentafluoride Chemical compound F[Ta](F)(F)(F)F YRGLXIVYESZPLQ-UHFFFAOYSA-I 0.000 description 2
- 239000012085 test solution Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 240000006909 Tilia x europaea Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 238000004845 hydriding Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- YWXYYJSYQOXTPL-SLPGGIOYSA-N isosorbide mononitrate Chemical compound [O-][N+](=O)O[C@@H]1CO[C@@H]2[C@@H](O)CO[C@@H]21 YWXYYJSYQOXTPL-SLPGGIOYSA-N 0.000 description 1
- 238000010902 jet-milling Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000611 regression analysis Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 102220006309 rs80338710 Human genes 0.000 description 1
- 239000000725 suspension 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
- 238000012956 testing procedure 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
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/638,922 US5954856A (en) | 1996-04-25 | 1996-04-25 | Method of making tantalum metal powder with controlled size distribution and products made therefrom |
| PCT/US1997/007009 WO1997040199A1 (en) | 1996-04-25 | 1997-04-25 | Method of making tantalum metal powder with controlled size distribution and products made therefrom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL126729A0 IL126729A0 (en) | 1999-08-17 |
| IL126729A true IL126729A (en) | 2001-08-08 |
Family
ID=24562001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL12672997A IL126729A (en) | 1996-04-25 | 1997-04-25 | Method of making tantalum metal powder with controlled size distribution and products made therefrom |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US5954856A (de) |
| EP (1) | EP0909337B1 (de) |
| JP (1) | JP4267699B2 (de) |
| CN (1) | CN1082550C (de) |
| AU (1) | AU2813697A (de) |
| CZ (1) | CZ301368B6 (de) |
| DE (1) | DE69714045T2 (de) |
| IL (1) | IL126729A (de) |
| MX (1) | MXPA98008829A (de) |
| PT (1) | PT909337E (de) |
| RU (1) | RU2210463C2 (de) |
| WO (1) | WO1997040199A1 (de) |
Families Citing this family (87)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030061907A1 (en) * | 1994-08-01 | 2003-04-03 | Kroftt-Brakston International, Inc. | Gel of elemental material or alloy and liquid metal and salt |
| US7445658B2 (en) | 1994-08-01 | 2008-11-04 | Uchicago Argonne, Llc | Titanium and titanium alloys |
| US20030145682A1 (en) * | 1994-08-01 | 2003-08-07 | Kroftt-Brakston International, Inc. | Gel of elemental material or alloy and liquid metal and salt |
| US7435282B2 (en) | 1994-08-01 | 2008-10-14 | International Titanium Powder, Llc | Elemental material and alloy |
| US6268054B1 (en) * | 1997-02-18 | 2001-07-31 | Cabot Corporation | Dispersible, metal oxide-coated, barium titanate materials |
| CZ300529B6 (cs) * | 1997-02-19 | 2009-06-10 | H.C. Starck Gmbh | Práškový tantal, zpusob jeho výroby a z nej vyrobené anody a kondezátory |
| CZ301097B6 (cs) * | 1997-02-19 | 2009-11-04 | H.C. Starck Gmbh | Tantalový prášek sestávající z aglomerátu, zpusob jeho výroby a z nej získané slinuté anody |
| CN1073480C (zh) * | 1998-05-08 | 2001-10-24 | 宁夏有色金属冶炼厂 | 团化钽粉的生产方法 |
| US6576038B1 (en) * | 1998-05-22 | 2003-06-10 | Cabot Corporation | Method to agglomerate metal particles and metal particles having improved properties |
| CN1069564C (zh) * | 1998-07-07 | 2001-08-15 | 宁夏有色金属冶炼厂 | 钽粉末的制造方法 |
| JP3871824B2 (ja) * | 1999-02-03 | 2007-01-24 | キャボットスーパーメタル株式会社 | 高容量コンデンサー用タンタル粉末 |
| US6261337B1 (en) * | 1999-08-19 | 2001-07-17 | Prabhat Kumar | Low oxygen refractory metal powder for powder metallurgy |
| US6563695B1 (en) * | 1999-11-16 | 2003-05-13 | Cabot Supermetals K.K. | Powdered tantalum, niobium, production process thereof, and porous sintered body and solid electrolytic capacitor using the powdered tantalum or niobium |
| CN1317723C (zh) * | 2000-03-23 | 2007-05-23 | 卡伯特公司 | 氧还原的铌氧化物电容器阳极及其制备方法 |
| US6585795B2 (en) * | 2000-08-07 | 2003-07-01 | Ira L. Friedman | Compaction of powder metal |
| JP2002060803A (ja) * | 2000-08-10 | 2002-02-28 | Showa Kyabotto Super Metal Kk | 電解コンデンサ用タンタル焼結体の製造方法 |
| US6849104B2 (en) * | 2000-10-10 | 2005-02-01 | H. C. Starck Inc. | Metalothermic reduction of refractory metal oxides |
| IL158531A0 (en) * | 2001-05-04 | 2004-05-12 | Starck H C Inc | Metalothermic reduction of refractory metal oxides |
| US7442227B2 (en) | 2001-10-09 | 2008-10-28 | Washington Unniversity | Tightly agglomerated non-oxide particles and method for producing the same |
| GB2410251B8 (en) * | 2002-03-12 | 2018-07-25 | Starck H C Gmbh | Valve metal powders and process for producing them |
| DE10307716B4 (de) * | 2002-03-12 | 2021-11-18 | Taniobis Gmbh | Ventilmetall-Pulver und Verfahren zu deren Herstellung |
| AU2003273279B2 (en) | 2002-09-07 | 2007-05-03 | Cristal Us, Inc. | Process for separating ti from a ti slurry |
| CN101676217A (zh) | 2003-05-19 | 2010-03-24 | 卡伯特公司 | 生产铌金属氧化物的方法和氧还原的铌氧化物 |
| WO2004110684A2 (en) * | 2003-06-10 | 2004-12-23 | Cabot Corporation | Tantalum powders and methods of producing same |
| JP2005079333A (ja) * | 2003-08-29 | 2005-03-24 | Nec Tokin Corp | 分散液用弁作用金属粉末およびそれを使用した固体電解コンデンサ |
| US6914770B1 (en) * | 2004-03-02 | 2005-07-05 | Vishay Sprague, Inc. | Surface mount flipchip capacitor |
| DE602005011773D1 (de) * | 2004-04-15 | 2009-01-29 | Jfe Mineral Co Ltd | Tantalpulver und dieses verwendender festelektrolytkondensator |
| DE102004020052B4 (de) * | 2004-04-23 | 2008-03-06 | H.C. Starck Gmbh | Verfahren zur Herstellung von Niob- und Tantalpulver |
| JP5209962B2 (ja) * | 2004-06-24 | 2013-06-12 | ハー ツェー シュタルク インコーポレイテッド | 改善された物理的性質および電気的性質を有するバルブメタルの製造 |
| WO2006012279A2 (en) * | 2004-06-28 | 2006-02-02 | Cabot Corporation | High capacitance tantalum flakes and methods of producing the same |
| DE102004049040B4 (de) | 2004-10-08 | 2008-11-27 | H.C. Starck Gmbh | Verfahren zur Herstellung von Festelektrolytkondensatoren |
| US20060177614A1 (en) * | 2005-02-09 | 2006-08-10 | Zhiyong Xia | Polyester polymer and copolymer compositions containing metallic tantalum particles |
| RU2434073C9 (ru) | 2005-05-05 | 2012-12-27 | Х.К. Штарк Гмбх | Способ покрытия поверхности субстрата и продукт с нанесенным покрытием |
| EP1880036A2 (de) * | 2005-05-05 | 2008-01-23 | H.C. Starck GmbH | Beschichtungsverfahren zur herstellung oder wiederverarbeitung von sputtertargets und röntgenanoden |
| WO2006129850A1 (en) * | 2005-05-31 | 2006-12-07 | Cabot Supermetals K. K. | Metal powder and manufacturing methods thereof |
| JP5183021B2 (ja) * | 2005-09-15 | 2013-04-17 | キャボットスーパーメタル株式会社 | 金属粉末およびその製造方法 |
| US20070017319A1 (en) | 2005-07-21 | 2007-01-25 | International Titanium Powder, Llc. | Titanium alloy |
| WO2007036087A1 (en) * | 2005-09-29 | 2007-04-05 | Ningxia Orient Tantalum Industry Co., Ltd | Methods for spherically granulating and agglomerating metal particles and the metal particles prepared thereby, anodes made from the metal particles |
| CN100339172C (zh) * | 2005-09-29 | 2007-09-26 | 宁夏东方钽业股份有限公司 | 球化造粒凝聚金属粉末的方法,金属粉末和电解电容器阳极 |
| JP2009511739A (ja) | 2005-10-06 | 2009-03-19 | インターナショナル・タイテイニアム・パウダー・リミテッド・ライアビリティ・カンパニー | ホウ化チタン |
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| CZ306436B6 (cs) * | 2006-05-05 | 2017-01-25 | Cabot Corporation | Tantalový prášek a způsob jeho výroby a anoda elektrolytického kondenzátoru |
| CN101501797B (zh) * | 2006-08-16 | 2012-12-26 | H.C.施塔克有限公司 | 具有结构化的烧结-活性表面的半成品以及它们的制造方法 |
| 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 |
| GB0622463D0 (en) * | 2006-11-10 | 2006-12-20 | Avx Ltd | Powder modification in the manufacture of solid state capacitor anodes |
| US20080145688A1 (en) | 2006-12-13 | 2008-06-19 | H.C. Starck Inc. | Method of joining tantalum clade steel structures |
| US7753989B2 (en) | 2006-12-22 | 2010-07-13 | Cristal Us, Inc. | Direct passivation of metal powder |
| US9127333B2 (en) | 2007-04-25 | 2015-09-08 | Lance Jacobsen | Liquid injection of VCL4 into superheated TiCL4 for the production of Ti-V alloy powder |
| US8197894B2 (en) | 2007-05-04 | 2012-06-12 | H.C. Starck Gmbh | Methods of forming sputtering targets |
| KR20100085024A (ko) * | 2007-10-15 | 2010-07-28 | 하이-템프 스페설티 메탈스, 인코포레이티드 | 재생 폐물을 원료 물질로 사용한 탄탈륨 분말 제조방법 |
| CA2661469A1 (en) * | 2008-04-11 | 2009-10-11 | Andre Foucault | Leg rehabilitation apparatus |
| US8246903B2 (en) | 2008-09-09 | 2012-08-21 | H.C. Starck Inc. | Dynamic dehydriding of refractory metal powders |
| DE102008048614A1 (de) * | 2008-09-23 | 2010-04-01 | H.C. Starck Gmbh | Ventilmetall-und Ventilmetalloxid-Agglomeratpulver und Verfahren zu deren Herstellung |
| US8043655B2 (en) * | 2008-10-06 | 2011-10-25 | H.C. Starck, Inc. | Low-energy method of manufacturing bulk metallic structures with submicron grain sizes |
| US20100085685A1 (en) | 2008-10-06 | 2010-04-08 | Avx Corporation | Capacitor Anode Formed From a Powder Containing Coarse Agglomerates and Fine Agglomerates |
| US8619410B2 (en) | 2010-06-23 | 2013-12-31 | Avx Corporation | Solid electrolytic capacitor for use in high voltage applications |
| US8512422B2 (en) | 2010-06-23 | 2013-08-20 | Avx Corporation | Solid electrolytic capacitor containing an improved manganese oxide electrolyte |
| US8687347B2 (en) | 2011-01-12 | 2014-04-01 | Avx Corporation | Planar anode for use in a wet electrolytic capacitor |
| US8477479B2 (en) | 2011-01-12 | 2013-07-02 | Avx Corporation | Leadwire configuration for a planar anode of a wet electrolytic capacitor |
| WO2013006600A1 (en) * | 2011-07-05 | 2013-01-10 | Orchard Material Technology, Llc | Retrieval of high value refractory metals from alloys and mixtures |
| WO2013049274A2 (en) | 2011-09-29 | 2013-04-04 | H.C. Starck, Inc. | Large-area sputtering targets and methods of manufacturing large-area sputtering targets |
| US8741214B2 (en) | 2011-10-17 | 2014-06-03 | Evans Capacitor Company | Sintering method, particularly for forming low ESR capacitor anodes |
| CN103945965B (zh) * | 2011-11-29 | 2016-05-18 | 昭和电工株式会社 | 钨细粉的制造方法 |
| US9105401B2 (en) | 2011-12-02 | 2015-08-11 | Avx Corporation | Wet electrolytic capacitor containing a gelled working electrolyte |
| CN102806345B (zh) * | 2012-04-19 | 2014-07-09 | 潘伦桃 | 钽粉的造粒装置及造粒制造凝聚钽粉的方法 |
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| CN102909365B (zh) * | 2012-11-20 | 2014-07-09 | 温州智创科技有限公司 | 一种医用钽粉的制备方法 |
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| CN106216695A (zh) * | 2016-08-25 | 2016-12-14 | 宁波英纳特新材料有限公司 | 一种高压电容器用球形钽粉的制备方法 |
| RU2657257C1 (ru) * | 2017-08-04 | 2018-06-09 | Федеральное государственное бюджетное учреждение науки Федеральный исследовательский центр "Кольский научный центр Российской академии наук" (ФИЦ КНЦ РАН) | Способ получения агломерированного танталового порошка |
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| US3418106A (en) * | 1968-01-31 | 1968-12-24 | Fansteel Inc | Refractory metal powder |
| US3473915A (en) * | 1968-08-30 | 1969-10-21 | Fansteel Inc | Method of making tantalum metal powder |
| US3992192A (en) * | 1974-07-01 | 1976-11-16 | Haig Vartanian | Metal powder production |
| US4149876A (en) * | 1978-06-06 | 1979-04-17 | Fansteel Inc. | Process for producing tantalum and columbium powder |
| DE3130392C2 (de) * | 1981-07-31 | 1985-10-17 | Hermann C. Starck Berlin, 1000 Berlin | Verfahren zur Herstellung reiner agglomerierter Ventilmetallpulver für Elektrolytkondensatoren, deren Verwendung und Verfahren zur Herstellung von Sinteranoden |
| DE3140248C2 (de) * | 1981-10-09 | 1986-06-19 | Hermann C. Starck Berlin, 1000 Berlin | Verwendung von dotiertem Ventilmetallpulver für die Herstellung von Elektrolytkondensatoranoden |
| US4684399A (en) * | 1986-03-04 | 1987-08-04 | Cabot Corporation | Tantalum powder process |
| US4740238A (en) * | 1987-03-26 | 1988-04-26 | Fansteel Inc. | Platelet-containing tantalum powders |
| US5211741A (en) * | 1987-11-30 | 1993-05-18 | Cabot Corporation | Flaked tantalum powder |
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| US4804147A (en) * | 1987-12-28 | 1989-02-14 | Waste Management Energy Systems, Inc. | Process for manufacturing aggregate from ash residue |
| US4968481A (en) * | 1989-09-28 | 1990-11-06 | V Tech Corporation | Tantalum powder with improved capacitor anode processing characteristics |
| US5234491A (en) * | 1990-05-17 | 1993-08-10 | Cabot Corporation | Method of producing high surface area, low metal impurity |
| US5217526A (en) * | 1991-05-31 | 1993-06-08 | Cabot Corporation | Fibrous tantalum and capacitors made therefrom |
-
1996
- 1996-04-25 US US08/638,922 patent/US5954856A/en not_active Expired - Lifetime
-
1997
- 1997-04-25 WO PCT/US1997/007009 patent/WO1997040199A1/en active IP Right Grant
- 1997-04-25 CN CN97195826A patent/CN1082550C/zh not_active Expired - Lifetime
- 1997-04-25 RU RU98121324/02A patent/RU2210463C2/ru not_active IP Right Cessation
- 1997-04-25 MX MXPA98008829A patent/MXPA98008829A/es not_active IP Right Cessation
- 1997-04-25 IL IL12672997A patent/IL126729A/en not_active IP Right Cessation
- 1997-04-25 AU AU28136/97A patent/AU2813697A/en not_active Abandoned
- 1997-04-25 EP EP97922482A patent/EP0909337B1/de not_active Expired - Lifetime
- 1997-04-25 DE DE69714045T patent/DE69714045T2/de not_active Expired - Lifetime
- 1997-04-25 PT PT97922482T patent/PT909337E/pt unknown
- 1997-04-25 CZ CZ0342498A patent/CZ301368B6/cs not_active IP Right Cessation
- 1997-04-25 JP JP53835997A patent/JP4267699B2/ja not_active Expired - Fee Related
-
1998
- 1998-07-28 US US09/123,818 patent/US5986877A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US5986877A (en) | 1999-11-16 |
| IL126729A0 (en) | 1999-08-17 |
| CN1223695A (zh) | 1999-07-21 |
| AU2813697A (en) | 1997-11-12 |
| EP0909337B1 (de) | 2002-07-17 |
| DE69714045T2 (de) | 2002-11-14 |
| MXPA98008829A (es) | 2002-07-22 |
| JP2000509103A (ja) | 2000-07-18 |
| PT909337E (pt) | 2002-11-29 |
| CZ301368B6 (cs) | 2010-02-03 |
| CZ342498A3 (cs) | 2000-01-12 |
| EP0909337A1 (de) | 1999-04-21 |
| RU2210463C2 (ru) | 2003-08-20 |
| JP4267699B2 (ja) | 2009-05-27 |
| CN1082550C (zh) | 2002-04-10 |
| DE69714045D1 (de) | 2002-08-22 |
| WO1997040199A1 (en) | 1997-10-30 |
| US5954856A (en) | 1999-09-21 |
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