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:
Sep. 09, 1986
Filed:
Apr. 18, 1984
Masao Miyamura, Fujisawa, JP;
Osamu Tsukakoshi, Hiratsuka, JP;
Yoshio Kamata, Yokohama, JP;
Shoji Aiba, Nagoya, JP;
Nihon Shinku Gijutsu Kabushiki Kaisha, Chigasaki, JP;
Daido Tokushuko Kabushiki Kaisha, Nagoya, JP;
Abstract
Magnet apparatus for providing a magnetic field having a gradient in an operation chamber comprising a cylindrical permanent magnet surrounding an outer periphery of the operation chamber and having opposite ends and a hollow interior, and a subsidiary yoke at one of the ends, the subsidiary yoke having a cylindrical portion extending into the hollow interior. The subsidiary yoke can include a flange portion. The cylindrical portion is inserted through the flange portion and fixed thereto with bolts. The permanent magnet can be made of Ba-ferrite, Sr-ferrite or the like.