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发明名称
多层膜材料之乾式蚀刻方法
摘要
本发明提供一种含有金属薄膜的多层膜材料之乾式蚀刻方法,其特征为:作为蚀刻气体,而将含有羰基的气体及含有卤元素的气体中之至少1种气体与电子供予性气体组合使用。由此,可提升蚀刻速度及蚀刻各向异性等的蚀刻特性,以减少图案侧壁聚合物膜(9)之生成之同时,可有效去除所生成的图案侧壁聚合物膜(9)。
申请公布号
TW200425330
申请公布日期
2004.11.16
申请号
TW092130439
申请日期
2003.10.31
申请人
瑞萨科技股份有限公司
发明人
川井健治
分类号
H01L21/3065;C23F1/12
主分类号
H01L21/3065
代理机构
代理人
洪武雄;陈昭诚
主权项
地址
日本
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