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发明名称
AN ELECTRON BEAM EXPOSURE APPARATUS WITH IMPROVED DRAWING PRECISION
摘要
申请公布号
KR0165996(B1)
申请公布日期
1999.02.01
申请号
KR19950015965
申请日期
1995.06.16
申请人
NEC CORPORATION
发明人
NAKAJINA, KEN
分类号
H01L21/68;G06T1/00;H01J37/304;H01L21/027;(IPC1-7):H01L21/027
主分类号
H01L21/68
代理机构
代理人
主权项
地址
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