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    • 10. 发明授权
    • Slurry for CMP, polishing method and method of manufacturing semiconductor device
    • 用于CMP的浆料,抛光方法和制造半导体器件的方法
    • US07060621B2
    • 2006-06-13
    • US10838261
    • 2004-05-05
    • Gaku MinamihabaYukiteru MatsuiHiroyuki Yano
    • Gaku MinamihabaYukiteru MatsuiHiroyuki Yano
    • H01L21/302
    • H01L21/3212C09G1/02
    • Disclosed is a CMP slurry comprising a first colloidal particle having a primary particle diameter ranging from 5 nm to 30 nm and an average particle diameter of d1, the first colloidal particle being incorporated in an amount of w1 by weight and a second colloidal particle having a primary particle diameter larger than that of the first colloidal particle and an average particle diameter of d2, the second colloidal particle being formed of the same material as that of the first colloidal particle and incorporated in an amount of w2 by weight, wherein d1, d2, w1 and w2 are selected to concurrently meet following conditions (A) and (B) excluding situations where d1, d2, w1 and w2 concurrently meet following conditions (C) and (D): 3≦d2/d1≦8  (A) 0.7≦w1/(w1+w2)≦0.97  (B) 3≦d2/d1≦5  (C) 0.7≦w1/(w1+w2)≦0.9.  (D)
    • 公开了一种CMP浆料,其包含一次粒径为5nm〜30nm,平均粒径为d 1的第一胶体粒子,第一胶体粒子的重量为w 1,第二胶体粒子 其第一粒径大于第一胶体粒子的一次粒径,平均粒径为d 2,第二胶体粒子由与第一胶体粒子相同的材料形成,w 2的重量比, 其中d 1,d 2,w 1和w 2同时满足以下条件(A)和(B),不包括d 1,d 2,w 1和w 2同时满足以下条件(C)和(D ):<?in-line-formula description =“In-line Formulas”end =“lead”?> 3 <= d2 / d1 <= 8(A)<?in-line-formula description =“ “end =”tail“?> <?in-line-formula description =”In-line Formulas“end =”lead“?> 0.7 <= w1 /(w1 + w2)<= 0.97(B) line-formu lae description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> 3 <= d2 / d1 <= 5(C) <?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line formula”end =“lead”?> 0.7 <= w1 /( w1 + w2)<= 0.9。 (D)<?in-line-formula description =“In-line Formulas”end =“tail”?>