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发明名称
平坦化波纹结构
摘要
制造一波纹结构包括:在一基板(10)上形成一牺牲层(20)以为该波纹结构保护一凹进部分(30)周围之一区域,在该凹进部分内形成一障壁层(40)且与该牺牲层电接触,在该凹进部分内形成该波纹结构(50),及平坦化。在平坦化期间,该牺牲层与该障壁层或该波纹结构发生电化学反应。此可改变该波纹结构及该牺牲层之一相对移除率,以致减少该波纹结构之表面凹陷或突起,且减少铜残余物并减少障壁腐蚀。该障壁层可藉由ALCVD形成。该障壁材料为WCN及TaN之一或多个。该牺牲层可为TaN、TiN或W。
申请公布号
TW200620476
申请公布日期
2006.06.16
申请号
TW094138680
申请日期
2005.11.04
申请人
皇家飞利浦电子股份有限公司
发明人
维特 古颜 宏;葛雷加 乔汉娜 亚德安娜 玛莉亚 维海杰登;GREJA JOHANNA ADRIANA MARIA
分类号
H01L21/321;H01L21/768
主分类号
H01L21/321
代理机构
代理人
陈长文
主权项
地址
荷兰
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