Patent ID: 9209002
Filing Date: 2015-12-08
Classification: G01T,H01J

Abstract:
1. A Geiger-Muller counter tube, comprising: an enclosing tube that is at least partially cylindrical and has a space which is sealed; an anode conductor, including an anode electrode and a linear first metal lead portion, the anode electrode being arranged inside the space and formed in a rod shape, the first metal lead portion being connected to the anode electrode and supported at an end of the enclosing tube; a cathode conductor, including a cathode electrode in a cylindrical shape and a linear second metal lead portion, the cathode electrode surrounding a peripheral area of the anode electrode inside the space, the second metal lead portion being connected to the cathode electrode and supported at the end of the enclosing tube; and an inert gas and a quenching gas, being sealed inside the space, wherein the cathode electrode has a side surface through a part of which a through-hole passes; wherein the cathode electrode is formed in a cylindrical shape with a rectangular metal sheet, and a pair of sides of the metal sheet facing to be separately spaced, and the through-hole is a slit formed where the pair of sides of the metal sheet face to be separately spaced.