Title:
バルブ金属粉末の製造法およびバルブ金属粉末
Document Type and Number:
Japanese Patent JP4778193
Kind Code:
B2
Abstract:
A precursor of the desired morphology is made and converted to an oxide. The structure of the oxide is stabilized by temperature treatment. It is then reduced while maintaining the morphology. An Independent claim is included for the metal powder produced as described, a so-called valve metal powder.
Inventors:
Yos a Leffel Holtz
Hardy Seyda
Rüdiger Wolf
Karl Heinz Reichert
Christoph Schnitter
Hardy Seyda
Rüdiger Wolf
Karl Heinz Reichert
Christoph Schnitter
Application Number:
JP2003066574A
Publication Date:
September 21, 2011
Filing Date:
March 12, 2003
Export Citation:
Assignee:
H.C. Starck GmbH
International Classes:
B22F9/20; B22F9/22; C01G33/00; C01G35/00; C22B5/04; C22B34/24; H01G9/00; H01G9/04; H01G9/052
Domestic Patent References:
| JP2000119710A |
Foreign References:
| WO2000067936A1 |
Attorney, Agent or Firm:
Takuya Kuno
Toshio Yano
Takahashi
Kimihiro Hoshi
Hiroyasu Ninomiya
Ryoichi Shino
Einzel Felix-Reinhard
Toshio Yano
Takahashi
Kimihiro Hoshi
Hiroyasu Ninomiya
Ryoichi Shino
Einzel Felix-Reinhard