公开(公告)号：US20210008686A1

公开(公告)日：2021-01-14

申请号：US16747034

申请日：2020-01-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yonghee LEE ,  Yungjun KIM ,  Hyunjoon PARK ,  Taemin EARMME ,  Seungchul HAN ,  Byoungho KWON ,  Kuntack LEE

IPC: B24B37/20 ,  B24B37/005

Abstract: A chemical mechanical polishing apparatus includes a fixing portion; and a rotary body module including a rotating shaft rotatably installed on the fixing portion, a first rotating unit connected to the rotating shaft and on which a wafer is mounted, and a second rotating unit disposed around the first rotating unit and on which a retainer ring is mounted, wherein the fixing portion comprises a first driving member disposed above the first rotating unit and a second driving member disposed above the second rotating unit, wherein the first and second driving members are comprised of a magnet or an electromagnet, wherein a first magnet, disposed opposite to the first driving member, is provided in the first rotating unit, and a second magnet, disposed opposite to the second driving member, is provided in the second rotating unit, and wherein the first rotating unit and the second rotating unit are independently tilted.