| 简介 |
PROBLEM TO BE SOLVED : To provide an earth-acid metal powder which enables the manufacture of a capacitor having a large capacity per unit mass and good leakage current characteristics, also to provide a sintered body formed using the earth-acid metal powder and further to provide a capacitor using the sintered body. SOLUTION : This powder has a 0.2-5 μm average particle size and consists essentially of niobium and/or tantalum and also contains 0.01-15 atomic % zirconium. This sintered body is formed from the powder. This capacitor consists of the sintered body used as one of electrodes of the capacitor, a dielectric body formed on the surface of the sintered body, and the other electrode placed on the dielectric body. |
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