the invention relates to a nitrating method of a valve metal powder, and a nitrogenous tantalum powder and a nitrogenous niobium powder which are obtained by the nitrating method.
本发明涉及阀金属粉末的掺氮方法,以及通过该方法获得的含氮钽粉和含氮铌粉。
a capacitor manufactured from the sintered body of a niobium powder of the present invention is prevented from deterioration in the performance for a long period of time and has high reliability.