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Patent Searching and Data


Title:
電子管
Document Type and Number:
Japanese Patent JP3745844
Kind Code:
B2
Abstract:
The present invention relates to an electron tube having a configuration which can maintain its operating stability for a long period of time. The electron tube comprises, at least, a field emitter which is made of diamond or a material mainly composed of diamond and has a surface terminated with hydrogen, and a sealed envelope for accommodating the diamond field emitter. Due to the hydrogen termination, the electron affinity of the diamond field emitter is set to a negative state. Also, hydrogen is enclosed within the sealed envelope. Due to this configuration, the hydrogen-terminated state of the diamond field emitter surface is stabilized, and the electron affinity of the diamond emitter is restrained from changing for a long period of time.

Inventors:
Minoru Arakaki
Toru Hirohata
Hirofumi Suga
Masami Yamada
Application Number:
JP27078696A
Publication Date:
February 15, 2006
Filing Date:
October 14, 1996
Export Citation:
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Assignee:
Hamamatsu Photonics Co., Ltd.
International Classes:
H01J7/02; H01J31/12; H01J1/304; H01J29/04; H01J29/94
Domestic Patent References:
JP6318428A
JP9120778A
JP3642664B2
JP1050206A
JP696744A
Foreign References:
WO1996001492A1
Other References:
C.A.Spindt et al.,Field-Emitter Arrays for Vacuum Microelectronics,IEEE Transaction on electron devices,1991年10月,Vol.38, No.10,pp.2355-2363
山田貴寿他,ダイヤモンド電子放出源の膜厚および表面状態依存性,1996年(平成8年)春季第43回応用物理学関係連合講演会予稿集,1996年 3月26日,第2分冊,第603頁,28p-E-8
D.Hong et al.,Field emission from p-type polycrystalline diamond films,Journal of Vacuum Science & Technology B,1995年 3月,Vol.13,No.2,pp.427-430
Attorney, Agent or Firm:
Yoshiki Hasegawa
Tatsuya Shioda
Shiro Terasaki
Kazuo Yoshii