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Title:
電子放出素子
Document Type and Number:
Japanese Patent JP4857769
Kind Code:
B2
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.

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Inventors:
Tatsumi Natsuo
Akihiko Namba
Yoshiki Nishibayashi
Takahiro Imai
Application Number:
JP2005514424A
Publication Date:
January 18, 2012
Filing Date:
September 27, 2004
Export Citation:
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Assignee:
Sumitomo Electric Industries, Ltd.
International Classes:
H01J1/304; H01J1/308; H01J63/02
Domestic Patent References:
JPH1050205A1998-02-20
JPH07226148A1995-08-22
JP2002075171A2002-03-15
JP2004119018A2004-04-15
JPH08321256A1996-12-03
JPH0513342A1993-01-22
Foreign References:
US3581151A1971-05-25
Attorney, Agent or Firm:
Yoshiki Hasegawa
Shiro Terasaki
Masatoshi Shibata



 
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