The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 19, 2008
Filed:
Mar. 14, 2006
Nobuhiko Ina, Tokyo, JP;
Yuichi Yamamoto, Tokyo, JP;
Takahisa Nagayama, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Chiyoda-Ku, Tokyo, JP;
Abstract
The present invention provides a particle beam accelerator for accelerating charged particles along a traveling direction of the charged particles. The invention provides a particle beam accelerator, in which the charged particle beam deflected by spiral-shaped-deflecting electromagnet, is accelerated by an accelerating unit, the charged particle beam circulating in an annular vacuum passageway of a vacuum ducta plurality of times differing in orbit. And gapis formed in the accelerating unitof the vacuum duct, and gap-constituting face of the vacuum ductis formed to be perpendicular to each of the traveling directions of the charged particle beam orbiting on a first orbit and on a second orbit. In the above accelerator, vibrations of the charged particle beam can be brought under control and loss of the charged particle beam can be reduced.