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发明名称
ELECTRON EMITTING DEVICE AND PROCESS FOR PRODUCING THE SAME
摘要
申请公布号
EP0251328(A3)
申请公布日期
1989.10.18
申请号
EP19870109607
申请日期
1987.07.03
申请人
CANON KABUSHIKI KAISHA
发明人
TSUKAMOTO, TAKEO;SHIMIZU, AKIRA;SUZUKI, AKIRA;SUGATA, MASAO;SHIMODA, ISAMU;OKUNUKI, MASAHIKO
分类号
H01J1/14;H01J1/316;H01J9/04;(IPC1-7):H01J1/14;H01J1/30
主分类号
H01J1/14
代理机构
代理人
主权项
地址
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