Title:
ニオブ粉、ニオブ焼結体、該焼結体を用いたコンデンサおよびそのコンデンサの製造方法
Document Type and Number:
Japanese Patent JP4420568
Kind Code:
B2
Abstract:
The present invention relates to a powdered niobium for a capacitor, characterized in that the content of each of the elements such as iron, nickel, cobalt, silicon, sodium, potassium and magnesium is about 100 ppm by weight or less or that the total content thereof is about 350 ppm by weight or less is used, a sintered body thereof, a sintered body comprising niobium monoxide crystal and/or diniobium mononitride crystal, a capacitor using the sintered body and the production method of the capacitor. A capacitor using the above described niobium sintered body has a large capacity per the unit weight, a good specific leakage current value and excellent high temperature property.
Inventors:
Kazumi Naito
Application Number:
JP2000600284A
Publication Date:
February 24, 2010
Filing Date:
February 16, 2000
Export Citation:
Assignee:
SHOWA DENKO K.K.
International Classes:
H01G9/052; C22C1/04; C22C32/00
Domestic Patent References:
| JP6507209A |
Foreign References:
| WO1997038143A1 |
Attorney, Agent or Firm:
Kunihisa Landlord