Patent ID: 6686045
Filing Date: 2004-02-03
Classification: B22F,H01B,H01G,Y10T

Abstract:
A composite fine particle comprising a core of the general formula (1):Ni(1-a-b)ZaZâ€²bâ€ƒâ€ƒ(1) wherein Z is at least one element selected from the group consisting of Ag, Au, Co, Cu, and Pd, Zâ€² is at least one element selected from the group consisting of Li, K, Na, B, and P, â€œaâ€  representative of a weight proportion of Z is 0 to 0.4, and â€œbâ€  representative of a weight proportion of Zâ€² is 0 to 0.1 with the proviso that â€œaâ€  and â€œbâ€  are not both zero at the same time,at least a part of the core surface being coated with an oxide of at least one element selected from the group consisting of Ag, Ba, Co, Cu, Ni, Sn, Ti, Zr, rare earth elements including Y, and Pd.