Patent ID: 6559610
Filing Date: 2003-05-06
Classification: H01J,H05H

Abstract:
A continuous wave electron-beam accelerator comprising:electron-beam generating means for generating a continuous wave electron beam; electron-beam accelerating means for accelerating the continuous wave electron beam; first electron-beam bending means located close to a first end of said electron-beam accelerating means, said first electron-beam bending means bending the continuous wave electron beam accelerated by said electron-beam accelerating means; and second electron-beam bending means located close to a second end of said electron-beam accelerating means, said second electron-beam bending means bending the continuous wave electron beam accelerated by said electron-beam accelerating means, wherein: each of said first electron-beam bending means and said second electron-beam bending means comprises a first bending electromagnet having a first surface opposed to a respective end of said electron-beam accelerating means, a second bending electromagnet and a third bending electromagnet which are discretely provided and are opposed to a second surface of said first bending electromagnet; said first bending electromagnet is a reverse bending electromagnet having a polarity opposite that of said second and third bending electromagnets; said second bending electromagnet has a polarity identical to that of said third bending electromagnet, and has a first magnetic field strength different from that of said third bending electromagnet; and said third bending electromagnet has a second magnetic field strength different from that of said second bending electromagnet.