发明申请
US20070105362A1 Methods of forming contact structures in low-k materials using dual damascene processes
审中-公开
使用双镶嵌工艺在低k材料中形成接触结构的方法
- 专利标题: Methods of forming contact structures in low-k materials using dual damascene processes
- 专利标题(中): 使用双镶嵌工艺在低k材料中形成接触结构的方法
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申请号: US11270783申请日: 2005-11-09
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公开(公告)号: US20070105362A1公开(公告)日: 2007-05-10
- 发明人: Jae Kim , Wan Park , Yi-Hsiung Lin
- 申请人: Jae Kim , Wan Park , Yi-Hsiung Lin
- 主分类号: H01L21/4763
- IPC分类号: H01L21/4763
摘要:
A method of forming a via using a dual damascene process can include removing a material from a recess in a low-k material using an ashing process while maintaining a protective spacer on an entire side wall of the recess to cover the low-k material in the recess.
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