发明授权
US06743722B2 Method of spin etching wafers with an alkali solution 有权
用碱溶液旋转蚀刻晶片的方法

  • 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
  • 申请号: US10059701
    申请日: 2002-01-29
  • 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
Method of spin etching wafers with an alkali solution
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.
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