公开(公告)号：US09911581B2

公开(公告)日：2018-03-06

申请号：US15136102

申请日：2016-04-22

Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

Inventor： Ioannis Giomataris ,  Patrick Magnier ,  Jacques Derre

IPC: H01J37/32 ,  G01T1/185 ,  G01T3/00 ,  H01J47/02

CPC classification number: H01J37/32541 ,  G01T1/185 ,  G01T3/008 ,  H01J37/32596 ,  H01J47/026

Abstract: A device for detecting includes a cathode forming a hollow sphere, filled with an ionisation and amplification gas, and an anode placed at the centre of the hollow sphere by the intermediary of a maintaining cane, wherein the anode is formed by an insulating ball and by at least two conductive balls positioned around the insulating ball and at the same predetermined distance from the insulating ball.