Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTRON SOURCE AND ELECTRON SOURCE UNIT
Document Type and Number:
WIPO Patent Application WO/2020/166155
Kind Code:
A1
Abstract:
[Problem] To provide an electron source that is lightweight and simply constructed, and is capable of suppressing characteristic degradation or recovering characteristics without increasing power consumption. [Solution] This CNT electron source comprises: a CNT emitter (32) for emitting electrons; a gate electrode (33) for drawing out electrons from the CNT emitter (32); and a gate power supply connection switching relay (37a) and a CNT emitter grounding switching relay (37b) for causing electrons to be emitted from the gate electrode (33) and applied to the CNT emitter.

Inventors:
OHKAWA YASUSHI (JP)
KAWAMOTO SATOMI (JP)
Application Number:
PCT/JP2019/044838
Publication Date:
August 20, 2020
Filing Date:
November 15, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
JAPAN AEROSPACE EXPLORATION (JP)
International Classes:
H01J37/073; B64G1/32; H01J1/304
Foreign References:
JP2005174818A2005-06-30
JP2014165105A2014-09-08
JP2007109514A2007-04-26
US20150380199A12015-12-31
CN104078293A2014-10-01
JP2007131124A2007-05-31
JP2007109514A2007-04-26
JP2004047254A2004-02-12
JP2007172862A2007-07-05
US20020142698A12002-10-03
Other References:
ATSUKO SHIMADA: "Effect of Atomic Oxygen Irradiation on Field Emission Cathodes in Low Earth Orbit", TRANSACTIONS OF, vol. 12, 2014, pages 59 - 64
YASUSHI OHKAWA ET AL.: "Operation of a Carbon Nanotube Field-Emission Cathode in Low Earth Orbit", CONFERENCE: 2018 31ST INTERNATIONAL VACUUM NANOELECTRONICS CONFERENCE (IVNC), KYOTO JAPAN, July 2018 (2018-07-01)
See also references of EP 3926657A4
Attorney, Agent or Firm:
OMORI, Junichi (JP)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: OUTBOARD MOTOR

Next Patent: FAILURE RISK ASSESSMENT SYSTEM AND FAILURE RISK ASSESSMENT METHOD