Ultrafine nickel powder

Details Ultrafine nickel powder Ultrafine nickel powder

B - Operations, Transporting

22

F

B22F 1/00 (2006.01) B22F 7/00 (2006.01) B22F 7/02 (2006.01) B22F 9/28 (2006.01) C22C 1/04 (2006.01) H01G 4/008 (2006.01) H01L 23/498 (2006.01)

Patent

CA 2246574

Provided is an ultrafine nickel powder suitable for a laminated ceramic capacitor electrode material. According to the ultrafine nickel powder, cracks and/or delamination are not liable to occur in the process for producing a ceramic capacitor, and its internal electrode can be made into a thinner layer, and the electric risistivity of the capacitor can be made low. The ultrafine nickel powder has an average particle size of 0.1 - 1.0 µ m, and a sulfur content of 0.02 -- 1.0 % by weight, and particles thereof are spherical, thereby exhibiting excellent properties. It can be produced by vapor phase hydrogen-reducing process using nickel chloride vapor.

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