Although the respective multiple it arrays the rare earth permanent magnet of the cylinder shape which has six rectangular

摘要

PROBLEM TO BE SOLVED: To provide a circular charged particle accelerator that is compact and light weight such that the whole device can be installed in an existing building of the medical institution or the like without requiring a big power and an additional facility.;SOLUTION: The charged particle accelerator magnet that is used as a main magnet of a circular charge particle accelerator (deflection magnet, focusing and divergent magnet, or combination of these), is formed by combining plural pieces and plural kinds of a bar shape rare earth permanent magnet having a section of any shape.;COPYRIGHT: (C)2002,JPO