发明授权
US5993302A Carrier head with a removable retaining ring for a chemical mechanical
polishing apparatus
失效
载体头带有用于化学机械抛光装置的可移除的保持环
- 专利标题: Carrier head with a removable retaining ring for a chemical mechanical polishing apparatus
- 专利标题(中): 载体头带有用于化学机械抛光装置的可移除的保持环
-
申请号: US2213申请日: 1997-12-31
-
公开(公告)号: US5993302A公开(公告)日: 1999-11-30
- 发明人: Hung Chen , Steven M. Zuniga
- 申请人: Hung Chen , Steven M. Zuniga
- 申请人地址: CA Santa Clara
- 专利权人: Applied Materials, Inc.
- 当前专利权人: Applied Materials, Inc.
- 当前专利权人地址: CA Santa Clara
- 主分类号: B24B37/30
- IPC分类号: B24B37/30 ; B24B37/32 ; H01L21/304 ; B24B29/00
摘要:
A carrier head for a chemical mechanical polishing apparatus includes a detachable retaining ring which may be used for centering the substrate during substrate loading.
公开/授权文献
- US5416950A Cooking system and accessories 公开/授权日:1995-05-23
信息查询