ELECTRON BEAM APPARATUS AND IMAGE DISPLAY APPARATUS

申请公布号：US2010084961(A1)

申请号：US20090572850

申请日期：2009.10.02

申请公布日期：2010.04.08

申请人：

CANON KABUSHIKI KAISHA

发明人：HASHIZUME YOHEI

分类号：H01J29/46

主分类号：H01J29/46

摘要：An electron emission device in an electron beam apparatus includes an insulating member having a recess on a surface thereof, a gate, and a cathode opposed to the gate via the recess. The recess has a depression formed in a surface of the recess.

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