发明申请
- 专利标题: Semiconductor device
- 专利标题(中): 半导体器件
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申请号: US11155272申请日: 2005-06-17
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公开(公告)号: US20060006543A1公开(公告)日: 2006-01-12
- 发明人: Hiromi Shimazu , Tomio Iwasaki , Hiroyuki Ohta , Kensuke Ishikawa , Osamu Inoue , Takayuki Oshima
- 申请人: Hiromi Shimazu , Tomio Iwasaki , Hiroyuki Ohta , Kensuke Ishikawa , Osamu Inoue , Takayuki Oshima
- 申请人地址: JP Tokyo
- 专利权人: Hitachi, Ltd.
- 当前专利权人: Hitachi, Ltd.
- 当前专利权人地址: JP Tokyo
- 优先权: JP2004-180455 20040618
- 主分类号: H01L23/48
- IPC分类号: H01L23/48
摘要:
A reliable semiconductor device having a multilayer wiring structure formed of copper as a main component material, which constrains occurrence of voids caused by stress migration. In the multilayer wiring structure, a first insulation layer having a high barrier property and a compression stress, and making contact with the upper surface of a first wiring made of copper as a main component material, a second insulation film having a tensile stress, and a third insulation film having a dielectric constant which is lower than those of the first and second insulation film, are laminated one upon another in the mentioned order as viewed the bottom thereof, and a via hole is formed piercing thorough the first insulation film, the second insulation film and the third insulation film, making contact with the first wiring.
公开/授权文献
- US07459786B2 Semiconductor device 公开/授权日:2008-12-02
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