US Patent No. 9,281,159

RADIATION GENERATING APPARATUS AND RADIOGRAPHING SYSTEM USING THE SAME


Patent No. 9,281,159
Issue Date March 08, 2016
Title Radiation Generating Apparatus And Radiographing System Using The Same
Inventorship Miki Tamura, Kawasaki (JP)
Kazuyuki Ueda, Tokyo (JP)
Assignee CANON KABUSHIKI KAISHA, Tokyo (JP)

Claim of US Patent No. 9,281,159

1. A radiation generating apparatus comprising:
a radiation tube having a cathode for emitting an electron and an anode for generating radiation by impingement thereon of
the electron emitted from said cathode;

a housing container filled with an insulating liquid, and containing said radiation tube; and
a mechanism in which a voltage for allowing the insulating liquid to flow is applied between said cathode and said anode in
a state where said cathode does not emit any electron.