发明授权
US5795215A Method and apparatus for using a retaining ring to control the edge
effect
失效
使用固定环来控制边缘效应的方法和装置
- 专利标题: Method and apparatus for using a retaining ring to control the edge effect
- 专利标题(中): 使用固定环来控制边缘效应的方法和装置
-
申请号: US667221申请日: 1996-06-19
-
公开(公告)号: US5795215A公开(公告)日: 1998-08-18
- 发明人: William L. Guthrie , Tsungnan Cheng , Sen-Hou Ko , Harry Q. Lee , Michael T. Sherwood , Norm Shendon
- 申请人: William L. Guthrie , Tsungnan Cheng , Sen-Hou Ko , Harry Q. Lee , Michael T. Sherwood , Norm Shendon
- 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: B24B5/00
- IPC分类号: B24B5/00
摘要:
A process using a retaining ring assembly of a carrier head to precompress a polishing pad to reduce or minimize the edge effect in a chemical mechanical polishing process.
公开/授权文献
- US5210304A Process for preparing hydrocarbyl aromatic amines 公开/授权日:1993-05-11
信息查询