Title:
電子源の作製方法
Document Type and Number:
Japanese Patent JP6617368
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide means for enabling electron emission at a lower application voltage.SOLUTION: An electron source 10 includes a carbon support 3, on its surface 3a of which a carbon nano structure 5 is formed, and a foil-like body 7 for applying an electric field to the carbon nano structure 5. The foil-like body 7 has a first surface 7b attached to the surface 3a of the carbon support 3, and a second surface 7c positioned on a side opposite to the first surface 7b with respect to a thickness direction of the foil-like body 7. The second surface 7c and the carbon nano structure 5 are insulated from each other. A voltage is applied between the carbon nano structure 5 and the second surface 7c so that the carbon nano structure 5 and the second surface 7c respectively assume a negative potential and a positive potential, thereby causing electrons to be emitted from the carbon nano structure 5 through many through holes 7a.SELECTED DRAWING: Figure 1
Inventors:
Toru Tamagawa
Wataru Iwagiri
Ryoichi Suzuki
Hidetoshi Kato
Wataru Iwagiri
Ryoichi Suzuki
Hidetoshi Kato
Application Number:
JP2015115435A
Publication Date:
December 11, 2019
Filing Date:
June 08, 2015
Export Citation:
Assignee:
RIKEN
National Institute of Advanced Industrial Science and Technology
National Institute of Advanced Industrial Science and Technology
International Classes:
H01J35/06; A61B6/03; F03H1/00; G01N23/046; H01J9/02; H01J35/08
Domestic Patent References:
| JP2008091324A | ||||
| JP7240163A | ||||
| JP2007109514A | ||||
| JP2004089445A | ||||
| JP2012154627A | ||||
| JP2051788A | ||||
| JP2009297490A | ||||
| JP2006019275A | ||||
| JP2011008998A |
Foreign References:
| US20140314164 | ||||
| WO2015002276A1 |
Attorney, Agent or Firm:
Minoru Hotta
Toshihiro Nomura
Toshihiro Nomura