发明授权
- 专利标题: Method of forming dual damascene structure
- 专利标题(中): 形成双镶嵌结构的方法
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申请号: US11016304申请日: 2004-12-16
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公开(公告)号: US07098130B1公开(公告)日: 2006-08-29
- 发明人: Ji Soo Kim , Sangheon Lee , S. M. Reza Sadjadi
- 申请人: Ji Soo Kim , Sangheon Lee , S. M. Reza Sadjadi
- 申请人地址: US CA Fremont
- 专利权人: LAM Research Corporation
- 当前专利权人: LAM Research Corporation
- 当前专利权人地址: US CA Fremont
- 主分类号: H01L21/4763
- IPC分类号: H01L21/4763
摘要:
A method for forming dual damascene features in a dielectric layer. Vias are partially etched in the dielectric layer. A trench pattern mask is formed over the dielectric layer. Trenches are partially etched in the dielectric layer. The trench pattern mask is stripped. The dielectric layer is further etched to complete etch the vias and the trenches in the dielectric layer.
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