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 |