发明名称 APPARATUS AND METHOD FOR CHUCKING WARPED WAFERS
摘要 An apparatus tor fixing a wafer, including a chuck having a surface, a plurality of through bores in the chuck extending through the surface of the chuck, a fixed vacuum bellows, and a plurality of floating air bearings, wherein the fixed vacuum bellows and a respective floating air bearing of the plurality of floating air bearings are each individually arranged in separate through bores of the plurality of through bores and elevationally above the surface of the chuck.
申请公布号 US2016268156(A1) 申请公布日期 2016.09.15
申请号 US201615065430 申请日期 2016.03.09
申请人 KLA-TENCOR CORPORATION 发明人 Subrahmanyan Pradeep;HUANG Luping;POHLHAMMER Chris
分类号 H01L21/683 主分类号 H01L21/683
代理机构 代理人
主权项 1. An apparatus for fixing a wafer, comprising: a chuck comprising a surface; a plurality of through bores in the chuck extending through the surface of the chuck; a fixed vacuum bellows; and, a plurality of floating air bearings, wherein the fixed vacuum bellows and a respective floating air bearing of the plurality of floating air bearings are each individually arranged in separate through bores of the plurality of through bores and elevationally above the surface of the chuck.
地址 Milpitas CA US