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:
Jan. 18, 2011
Filed:
Jan. 18, 2005
Hideo Kitamura, Hyogo, JP;
Toru Hara, Hyogo, JP;
Takashi Tanaka, Hyogo, JP;
Tsutomu Kohda, Osaka, JP;
Yutaka Matsuura, Osaka, JP;
Hideo Kitamura, Hyogo, JP;
Toru Hara, Hyogo, JP;
Takashi Tanaka, Hyogo, JP;
Tsutomu Kohda, Osaka, JP;
Yutaka Matsuura, Osaka, JP;
Hitachi Metals, Ltd., Tokyo, JP;
Riken, Saitama, JP;
Abstract
An undulator comprises a first magnetic circuit () for forming a periodic magnetic field, a first support body () for supporting the first magnetic circuit (), a second magnetic circuit () arranged opposite to the first magnetic circuit (), for forming a periodic magnetic field, a second support body () for supporting the second magnetic circuit (), a space () formed between the oppositely arranged first magnetic circuit () and the second magnetic circuit (), for passing an electron beam, a vacuum chamber () for vacuum-sealing the first magnetic circuit () and the second magnetic circuit (), and a refrigerant passing tube () for cooling a permanent magnet (m) constituting the first magnetic circuit () and the second magnetic circuit () below the room temperature.