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发明名称
MASQUES PROTECTEURS A GRANDE RESOLUTION ET PROCEDE DE FABRICATION DE CES MASQUES
摘要
申请公布号
BE776868(A1)
申请公布日期
1972.04.17
申请号
BE19710776868
申请日期
1971.12.17
申请人
WESTERN ELECTRIC CY INC., 195 BROADWAY, NEW YORK, N.Y., (E.U.A.),
发明人
N.P. LEPSELTER;A.U. MACRAE.
分类号
C23F1/02;C23F1/04;H01L21/00;H01L21/265;(IPC1-7):H01L/
主分类号
C23F1/02
代理机构
代理人
主权项
地址
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