Invention Grant
US08106575B2 Electron beam apparatus having a recess formed in a surface of an insulating member
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电子束装置具有形成在绝缘构件的表面中的凹部
- Patent Title: Electron beam apparatus having a recess formed in a surface of an insulating member
- Patent Title (中): 电子束装置具有形成在绝缘构件的表面中的凹部
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Application No.: US12572850Application Date: 2009-10-02
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Publication No.: US08106575B2Publication Date: 2012-01-31
- Inventor: Yohei Hashizume
- Applicant: Yohei Hashizume
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA, Inc., I.P. Division
- Priority: JP2008-258014 20081003
- Main IPC: H01J29/46
- IPC: H01J29/46 ; H01J1/62
Abstract:
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.
Public/Granted literature
- US20100084961A1 ELECTRON BEAM APPARATUS AND IMAGE DISPLAY APPARATUS Public/Granted day:2010-04-08
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