Invention Grant
US07710013B2 Electron emitting device with projection comprising base portion and electron emission portion
失效
具有包括基底部分和电子发射部分的突起的电子发射器件
- Patent Title: Electron emitting device with projection comprising base portion and electron emission portion
- Patent Title (中): 具有包括基底部分和电子发射部分的突起的电子发射器件
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Application No.: US11889389Application Date: 2007-08-13
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Publication No.: US07710013B2Publication Date: 2010-05-04
- Inventor: Natsuo Tatsumi , Akihiko Namba , Yoshiki Nishibayashi , Takahiro Imai
- Applicant: Natsuo Tatsumi , Akihiko Namba , Yoshiki Nishibayashi , Takahiro Imai
- Applicant Address: JP Osaka
- Assignee: Sumitomo Electric Industries, Ltd.
- Current Assignee: Sumitomo Electric Industries, Ltd.
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JPP2003-341854 20030930
- Main IPC: H01J1/62
- IPC: H01J1/62 ; H01J63/04
Abstract:
The present invention relates to an electron emitting device having a structure for efficiently emitting electrons. The electron emitting device has a substrate comprised of an n-type diamond, and a pointed projection provided on the substrate. The projection comprises a base provided on the substrate side, and an electron emission portion provided on the base and emitting electrons from the tip thereof. The base is comprised of an n-type diamond. The electron emission portion is comprised of a p-type diamond. The length from the tip of the projection (electron emission portion) to the interface between the base and the electron emission portion is preferably 100 nm or less.
Public/Granted literature
- US20080042144A1 Electron emitting device with projection comprising base portion and electron emission portion Public/Granted day:2008-02-21
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