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. 30, 2007
Filed:
Oct. 18, 1999
Toshihiko Miura, Shizuoka-ken, JP;
Masahito Kawasaki, Shizuoka-ken, JP;
Shunji Suzuki, Shizuoka-ken, JP;
Shuichi Nishida, Shizuoka-ken, JP;
Toshihiko Miura, Shizuoka-ken, JP;
Masahito Kawasaki, Shizuoka-ken, JP;
Shunji Suzuki, Shizuoka-ken, JP;
Shuichi Nishida, Shizuoka-ken, JP;
Minebea Co., Ltd, Nagano-Ken, JP;
Abstract
A resin bonded rare earth magnet, compression molded from rare earth-transition alloy powder and thermosetting resin, having a magnetcomprising a mixture of thermosetting resin and rare earth-transition alloy powder with a particle size of between 20 and 300 microns, a filling materialwith particle size between 0.1 and 15 microns which is used to fill in the depressionson the surface of said magnetand is then fixed with said thermosetting resin, and a corrosion inhibiting coatmade from synthetic resin applied to the surface of said magnetwhich has been rendered smooth by the application of said filling material into the depressions on its surface.