发明名称 Electrostatic chuck and a method for supporting a wafer
摘要 An electrostatic chuck includes an isolating substrate that surrounds at least one electrode; multiple protrusions having upper portions arranged to contact a wafer; and at least one discharging element positioned between the at least one electrode and the upper portions of the multiple protrusions; which discharging element, once coupled to a discharging circuit, is arranged to discharge charge accumulated in the isolating substrate.
申请公布号 US8804299(B2) 申请公布日期 2014.08.12
申请号 US201213371909 申请日期 2012.02.13
申请人 Applied Materials Israel, Ltd. 发明人 Eytan Guy;Nakash Shmuel Shmulik;Chirko Konstantin
分类号 H01T23/00 主分类号 H01T23/00
代理机构 Kilpatrick Townsend & Stockton LLP 代理人 Kilpatrick Townsend & Stockton LLP
主权项 1. An electrostatic chuck, comprising: an isolating substrate that surrounds multiple electrodes; multiple protrusions having upper portions arranged to contact a wafer; multiple discharging elements each positioned between one of the multiple electrodes and the upper portions of the multiple protrusions; wherein the multiple discharging elements are arranged to discharge charge accumulated in the isolating substrate.
地址 Rehovot IL