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公开(公告)号:US20110256715A1
公开(公告)日:2011-10-20
申请号:US12761805
申请日:2010-04-16
申请人: Shing-Chyang PAN , Han-Hsin KUO , Chung-Chi KO , Ching-Hua HSIEH
发明人: Shing-Chyang PAN , Han-Hsin KUO , Chung-Chi KO , Ching-Hua HSIEH
IPC分类号: H01L21/768 , C23C14/06 , B05D7/22
CPC分类号: H01L21/76843 , H01L21/76831 , H01L21/76844 , H01L21/76861 , H01L21/76867 , H01L21/76873 , H01L2221/1089
摘要: A copper interconnect includes a copper layer formed in a dielectric layer. A liner is formed between the copper layer and the dielectric layer. A barrier layer is formed at the boundary between the liner and the dielectric layer. The barrier layer is a metal oxide.
摘要翻译: 铜互连包括在电介质层中形成的铜层。 在铜层和电介质层之间形成衬垫。 在衬垫和电介质层之间的边界处形成阻挡层。 阻挡层是金属氧化物。