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发明名称
ALUMINA SUBSTRATES
摘要
申请公布号
US3698923(A)
申请公布日期
1972.10.17
申请号
USD3698923
申请日期
1970.05.06
申请人
WESTERN ELECTRIC CO. INC.
发明人
HAROLD WILBUR STETSON;WARREN JOSEPH GYURK
分类号
C04B35/111;H01L23/15;H01L49/02;(IPC1-7):C04B35/10
主分类号
C04B35/111
代理机构
代理人
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地址
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