申请人:KONICA MINOLTA, INC.
公开号:US10011752B2
公开(公告)日:2018-07-03
A production method for polishing-material particles, comprising: forming an inner layer having, as a main component thereof, a salt of at least one element selected from Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Zr, In, Sn, Y, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, W, Bi, Th, and the alkali earth metals; adding a prepared aqueous solution, at a prescribed time, to a reaction solution in which the salt formed from the element is dispersed, to form an outer layer on the outer side of the inner layer; using solid-liquid separation to separate a polishing-material-particle precursor from the reaction solution, and the polishing-material-particle precursor is baked; and the percentage of Ce in the reaction solution in which the surface of the outer layer is formed is in the range of 60-90 mol % inclusive.
一种抛光材料颗粒的生产方法,包括形成内层,其主要成分为至少一种元素的盐,这些元素选自 Al、Sc、Ti、V、Cr、Mn、Fe、Co、Ni、Cu、Zn、Ga、Ge、Zr、In、Sn、Y、Gd、Tb、Dy、Ho、Er、Tm、Yb、Lu、W、Bi、Th 和碱土金属;在规定的时间内,将制备好的水溶液加入到由元素形成的盐分散在其中的反应溶液中,在内层的外侧形成外层;使用固液分离法从反应溶液中分离出抛光材料颗粒前体,并对抛光材料颗粒前体进行烘烤;形成外层表面的反应溶液中 Ce 的百分比范围为 60-90 mol %(含)。