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发明名称
以晶种层中之铜合金减少铜内连线中的空洞之方法
摘要
一种具改善盲孔(via)集积度并且减少盲孔空洞以形成铜内连线之方法,该方法系采用晶种层中具有合金元素之铜晶种层。当盲孔填满并于电化学镀覆过程中引发脉波逆转波形时,该合金元素会增加铜晶种层对酸性镀覆化学物之抗性。防止盲孔底部形成空洞会改良铜的填补,藉以改良电迁移性能,降低盲孔电阻并且改善产品速度。
申请公布号
TW200406042
申请公布日期
2004.04.16
申请号
TW092126446
申请日期
2003.09.25
申请人
高级微装置公司
发明人
赵烈;贝瑟;王品今
分类号
H01L21/768
主分类号
H01L21/768
代理机构
代理人
洪武雄;陈昭诚
主权项
地址
美国
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