发明名称 EXTERNAL CLAMP RING FOR A CHECMICAL MECHANICAL POLISHING CARRIER HEAD
摘要 An external clamp ring for a chemical mechanical polishing (CMP) carrier head having a hydrophobic coating, and a carrier head having the same are described herein. In one embodiment, an external clamp ring is provided that includes a cylindrical body having an outer cylindrical wall and an inner cylindrical wall. A hydrophobic layer disposed is on the outer cylindrical wall.
申请公布号 US2017106496(A1) 申请公布日期 2017.04.20
申请号 US201615176998 申请日期 2016.06.08
申请人 Applied Materials, Inc. 发明人 ALA Patrick;DING Bo B.;HU Yongqi;YAVELBERG Simon;LARSSON Mats
分类号 B24B37/32 主分类号 B24B37/32
代理机构 代理人
主权项 1. An external clamp ring for a chemical mechanical polishing carrier head, the external clamp ring comprising: a cylindrical body having an outer cylindrical wall and an inner cylindrical wall; and a hydrophobic layer disposed on the outer cylindrical wall of the body.
地址 Santa Clara CA US