- 专利标题: Methods for forming dual damascene wiring for semiconductor devices using protective via capping layer
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申请号: US11223311申请日: 2005-09-09
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公开(公告)号: US20060178002A1公开(公告)日: 2006-08-10
- 发明人: Jae Kim , Sun Lee , Seung Lee
- 申请人: Jae Kim , Sun Lee , Seung Lee
- 专利权人: Samsung Electronics Co., Ltd.
- 当前专利权人: Samsung Electronics Co., Ltd.
- 优先权: KR10-2005-0010981 20050205
- 主分类号: H01L21/4763
- IPC分类号: H01L21/4763
摘要:
Exemplary embodiments of the invention generally include methods for forming multilayer metal interconnect structures using dual damascene methods that incorporate a via capping process to protect lower interconnection lines from etching damage or oxidation, for example, that may be caused by inadvertent exposure of lower interconnection lines to etching atmospheres.
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