A Method for the Preparation of the Raw Powder of Tantalum Capacitor and its Characteristics

摘要

A method for the preparation of the powder of tantalum capacitor was investigated. The fine grinding of tantalum powder with binder in a dry phase was conducted in the particle composition equipment.The effect of grinding time on the particle size distribution, angle of repose, tap density and the frequency response of impedance of the powder in the particle composition equipment was investigated.It was found that the DC resistance of the conducted powder is closely related to the angle of repose and tap density.