Title:
電離箱とその製造方法
Document Type and Number:
Japanese Patent JP6927621
Kind Code:
B2
Abstract:
This ionization chamber is provided with: a cylindrical external electrode (101); a rod-like inner electrode (102) which is internally contained in the external electrode (101) so as to extend in an axial direction L from one end (101a) side of the external electrode to the other end (101b) side; a cylindrical guard electrode (103) which is provided between the external electrode (101) and the inner electrode (102) on the one end (101a) side so as to surround the side wall of the inner electrode (102); an insulation part (104) which is provided between the inner electrode (102) and the guard electrode (103) on the one end (101a) side; and an electron shielding part (105) which is formed of an electrically insulating material and is provided in a region A that spreads beyond the front end (103a) of the guard electrode (103) toward the other end (101b) side.
Inventors:
Yuichiro Morishita
Shimizumori
Shimizumori
Application Number:
JP2020545940A
Publication Date:
September 01, 2021
Filing Date:
September 03, 2019
Export Citation:
Assignee:
National Institute of Advanced Industrial Science and Technology
International Classes:
H01J47/02
Domestic Patent References:
| JP4034829A | ||||
| JP4010349A | ||||
| JP2008534950A |
Foreign References:
| EP2728606A2 |
Attorney, Agent or Firm:
Nishizawa Kazumi
Makiko Otsuki
Kazunori Onami
Makiko Otsuki
Kazunori Onami