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公开(公告)号:US20230227696A1
公开(公告)日:2023-07-20
申请号:US18099031
申请日:2023-01-19
Applicant: SK enpulse Co., Ltd.
Inventor: Seung Chul HONG , Deok Su HAN , Han Teo PARK , Hwan Chul KIM , Kyu Hun KIM , Eun Sun JOENG
IPC: C09G1/02 , C09K3/14 , H01L21/321 , H01L21/768
CPC classification number: C09G1/02 , C09K3/1436 , H01L21/3212 , H01L21/7684 , H01L23/53266
Abstract: The present disclosure is a composition for a semiconductor process applied to a polishing process of a semiconductor wafer and, more specifically, to a semiconductor process involving a polishing process of a semiconductor wafer, wherein the composition includes abrasive particles, and the zeta potential of the abrasive particles is −50 mV to −10 mV at a pH of 6, and the zeta potential change rate represented by Equation 1 below is 6 mV to 30 mV: [Equation 1] Zeta potential change rate (mV/pH)=|(Z6−Z5)/(p6−p5)| where p6 denotes pH 6, p5 denotes pH 5, Z6 denotes a zeta potential at the pH 6, and Z5 denotes a zeta potential at the pH 5.