Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.
Method for preparing a tantalum powder
The present invention relates to the tantalum powder and the process for preparing the same, and also relates to the electrolytic capacitor anode made of the tantalum powder. More particularly, the present invention relates to the tantalum powder having a BET surface area not more than 0.530 m2/g, Fisher mean particle size not less than 3.00 μm. The present invention relates to the process for preparing the tantalum powder, wherein the tantalum powder is prepared through reducing tantalum compound with a reducing agent, wherein the tantalum powder as seed is added during reduction, and said tantalum powder as seed is the tantalum powder that has been milled.
Ningxia Orient Tantalum Industry Co., Ltd.
B H B H
B22F H01G B22F H01G
inventional inventional inventional inventional
Xifang Wenfeng Zhongxiang Xiaoyan Zhangong Guoqi Yong
Bao Shi Li Yang Dong Yang Li