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    • 7. 发明授权
    • Non-magnetic nickel powders and method for preparing the same
    • 非磁性镍粉及其制备方法
    • US07727303B2
    • 2010-06-01
    • US11710406
    • 2007-02-26
    • Soon-ho KimJae-young ChoiTae-wan KimEun-bum ChoYoung-kyun Lee
    • Soon-ho KimJae-young ChoiTae-wan KimEun-bum ChoYoung-kyun Lee
    • C22C19/03
    • B22F1/0003B22F1/0085B22F2998/10B22F1/0022
    • Provided are non-magnetic nickel powders and a method for preparing the same. The nickel powders are non-magnetic and have a HCP crystal structure. An exemplary method includes (a) dispersing nickel powders with a FCC crystal structure in an organic solvent to prepare a starting material dispersion, and (b) heating the starting material dispersion to transform the nickel powders with the FCC crystal structure to the nickel powders with the HCP crystal structure. The nickel powders do not exhibit magnetic agglomeration or aggregation phenomenon. Therefore, exemplary pastes for inner electrode formation in various electronic devices, which contain the nickel powders of the present disclosure, can be provided in a relatively uniform, well-dispersed state because of the reduced aggregation and agglomeration of the nickel powder. Also, inner electrodes made of the nickel powders can have a low impedance value even at high frequency band.
    • 提供非磁性镍粉末及其制备方法。 镍粉是非磁性的,具有HCP晶体结构。 一种示例性方法包括(a)将FCC晶体结构的镍粉分散在有机溶剂中以制备原料分散体,和(b)加热原料分散体以将具有FCC晶体结构的镍粉转化为镍粉, HCP晶体结构。 镍粉末不会发生磁性聚集或聚集现象。 因此,由于镍粉的聚集和聚集减少,所以可以以相对均匀的,良好分散的状态提供包含本公开的镍粉末的各种电子器件中的内部电极形成的示例性糊料。 此外,即使在高频带,由镍粉制成的内电极也可以具有低阻抗值。