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发明名称
Selective plasma etching of silicon nitride in presence of silicon or silicon oxides using mixture of (CH3F or CH2F2) and CF4 and O2
摘要
申请公布号
EP0869545(A3)
申请公布日期
1999.05.26
申请号
EP19980301668
申请日期
1998.03.06
申请人
APPLIED MATERIALS, INC.
发明人
BROOKS, CYNTHIA B.;MERRY, WALTER;JOSHI, AJEY M.;QUINONES, GLADYS D.;TREVOR, JITSKE
分类号
H01L21/302;H01L21/3065;H01L21/311;(IPC1-7):H01L21/311
主分类号
H01L21/302
代理机构
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