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发明名称
研磨液
摘要
本发明提供一种研磨液,其特征为含有四级铵阳离子、腐蚀抑制剂、非离子性界面活性剂、及胶态二氧化矽,pH为2.5至5.0,且系用于研磨半导体积体电路之阻障层。该研磨液在适用于具有经积层TEOS绝缘膜与Low-k膜的绝缘膜之基板时,则可获得对于TEOS绝缘膜之高研磨速度、且对于如Low-k膜的低强度绝缘膜之研磨速度则可有效地加以抑制,同时能达成起因于固体研磨粒之凝集等的刮伤之抑制。
申请公布号
TW200907035
申请公布日期
2009.02.16
申请号
TW097120856
申请日期
2008.06.05
申请人
富士软片股份有限公司
发明人
斋江俊之;上村哲也
分类号
C09K3/14(2006.01);C09G1/02(2006.01);H01L21/304(2006.01)
主分类号
C09K3/14(2006.01)
代理机构
代理人
何金涂;何秋远
主权项
地址
日本
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