ELECTRON BEAM INCIDENT DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an electron beam incident device capable of transferring electrons easily and certainly to the orbiting track of an electron accumulating ring. SOLUTION: This electron beam incident device is equipped with an incident duct 3 connected with the curved part of an endless duct 6 to constitute an electron accumulating ring 5 and a cylindrical magnetic field shielding member 12 consisting of a superconductive substance arranged in such a way as surrounding the incident track 13 of electrons (e) into the endless duct 6 in the connection part between the incident duct 3 and endless duct 6, wherein the influence of the magnetic field of a deflecting electromagnet 7 upon the track 13 of electron (e) incident to the endless duct 6 from the incident duct 3 is avoided by the magnetic field shielding member 12 so that the beam of electrons (e) is stabilized.