发明授权
- 专利标题: Method of spin etching wafers with an alkali solution
- 专利标题(中): 用碱溶液旋转蚀刻晶片的方法
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申请号: US10059701申请日: 2002-01-29
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公开(公告)号: US06743722B2公开(公告)日: 2004-06-01
- 发明人: Salman M. Kassir
- 申请人: Salman M. Kassir
- 主分类号: H01L21304
- IPC分类号: H01L21304
摘要:
A method of relieving surface stress on a thin wafer by removing a small portion of the wafer substrate, the substrate being removed by applying a solution of KOH to the wafer while the wafer spins.
公开/授权文献
- US20030143861A1 Method of spin etching wafers with an alkali solution 公开/授权日:2003-07-31
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