B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
B22F 9/30 (2006.01) B22F 1/00 (2006.01) C22C 1/04 (2006.01) H01B 1/22 (2006.01) H05K 1/09 (2006.01)
Patent
CA 2437781
A method in which a metal powder is produced by ejecting a thermally decomposable metal compound powder into a reaction vessel through a nozzle together with a carrier gas under the condition V/S > 600, where V is the flow rate of the carrier gas per unit time (liter/min), and S is the cross-sectional area of the nozzle opening part (cm2), and heating this metal powder at a temperature which is higher than the decomposition temperature of the metal compound powder and not lower than (Tm - 200)°C, where Tm is the melting point of the metal, in a state where the metal compound powder is dispersed in the gas phase at a concentration of 10 g/liter or less. The method provides a fine, spherical, highly-crystallized metal powder which has a high purity, high density, high dispersibility and extremely uniform particle size, at low cost and using a simple process.
Akimoto Yuji
Ieda Hidenori
Maekawa Masayuki
Nagashima Kazuro
Ono Shinichi
Riches Mckenzie & Herbert Llp
Shoei Chemical Inc.
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