Tantalum Powder for the Production of Solid Electrolyte Capacitors

摘要

A tantalum powder consisting of agglomerated primary particle with a minimum primary particle dimension of 0.2 to 0.8 mum, a specific surface area of 0.9 to 2.5 m²/g and a particle size distribution determined to ASTM B 822 corresponding to a D10 value of 5 to 25 mum, a D50 value of 20 to 140 mum and a D90 value of 40 to 250 mum, wherein the powder does not comprise an effective content of sintering protection agents.