发明名称 Polishing System with Front Side Pressure Control
摘要 A polishing apparatus includes a platen having a first surface to support a polishing pad and a second surface opposite to the first surface, a carrier head to hold a substrate against the polishing pad, and a control assembly adjacent the second surface of the platen and opposite to the carrier head. The platen comprises a platen material having an adjustable rigidity. The control assembly is configured to control the rigidity of the platen material.
申请公布号 US2015298284(A1) 申请公布日期 2015.10.22
申请号 US201414257619 申请日期 2014.04.21
申请人 Applied Materials, Inc. 发明人 David Jeffrey Drue
分类号 B24B37/04;H01F1/44;B24B29/00 主分类号 B24B37/04
代理机构 代理人
主权项 1. A polishing apparatus, comprising: a platen having a first surface to support a polishing pad and a second surface opposite to the first surface, the platen comprising a platen material having an adjustable rigidity; a carrier head to hold a substrate against the polishing pad; and a control assembly adjacent the second surface of the platen and opposite to the carrier head, the control assembly being configured to control the rigidity of the platen material.
地址 Santa Clara CA US