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发明名称
层间绝缘膜之乾蚀刻方法
摘要
【解决手段】本发明系为利用蚀刻气体,一边在设置于层间绝缘膜上的ArF光阻或KrF光阻上形成聚合物膜,一边细微加工层间绝缘膜之层间绝缘膜的乾蚀刻方法,其特征为:一边在0.5Pa以下的压力下导入前述蚀刻气体,形成在1200cm-1附近具有C-F结合的峰值、在1600cm-1附近具有C-N结合的峰值、及在3300cm-1附近具有C-H结合的峰值(利用傅立叶变换红外光谱仪所测定之光谱)之聚合物膜,一边进行蚀刻。
申请公布号
TW200809961
申请公布日期
2008.02.16
申请号
TW096117249
申请日期
2007.05.15
申请人
爱发科股份有限公司
发明人
森川泰宏;邹红罡
分类号
H01L21/3065(2006.01)
主分类号
H01L21/3065(2006.01)
代理机构
代理人
林志刚
主权项
地址
日本
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