Nickel composite particle and production process therefor

Details Nickel composite particle and production process therefor Nickel composite particle and production process therefor

H - Electricity

01

B

H01B 1/02 (2006.01) B22F 1/02 (2006.01) B22F 9/02 (2006.01) B22F 9/30 (2006.01) H01B 1/08 (2006.01) H05K 1/09 (2006.01)

Patent

CA 2284075

Nickel composite particles having a layer of a nickel- containing spinet on at least a part of the surface of nickel particles, or nickel composite particles having an oxide layer of metals other than nickel on at least a part of the surface of nickel particles and a layer of a nickel- containing spinet at an interface between the nickel particles and the metal oxide layer. The nickel composite particles are produced by forming fine liquid droplets from a solution containing (a) at least one thermally decomposable nickel compound and (b) at least one thermally decomposable metal compound capable of forming a spinet together with nickel; and heating the liquid droplets at a temperature higher than the decomposition temperatures of the compound (a) and (b) to form nickel particles and simultaneously deposit a nickel-containing spinet layer, or further a metal oxide layer on the spinet layer. The composite particles are especially useful for the preparation of a conductor paste used in an internal conductor layer of a ceramic multilayer electronic part.

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