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发明名称
阻挡铜扩散之障碍层复合材料
摘要
本发明关于铜扩散障碍层复合材料或具有该材料之装置,系由Ta与Pt所组成,Pt之掺杂量约在35原子数(at.)%以下,且于500℃以上之高温下,该材料仍可维持非结晶之特性而可阻挡铜原子扩散并具有与Ta等同低之电阻系数。本发明之制法,包括TaPt合金材料之选取步骤,及进行该障碍层之沉积步骤,使该合金材料于一蒸镀系统中,形成于Cu导电层与预定之隔离物之间,该预定之隔离物,可为一矽基板,或半导体装置之闸极,或多重导线之电极等装置其中之一。
申请公布号
TW200802697
申请公布日期
2008.01.01
申请号
TW095121403
申请日期
2006.06.15
申请人
国立交通大学
发明人
崔秉钺;黄志锋;李佳蓉
分类号
H01L21/768(2006.01);C01G55/00(2006.01);C01G35/00(2006.01)
主分类号
H01L21/768(2006.01)
代理机构
代理人
何金涂;林荣琳
主权项
地址
新竹市大学路1001号
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