Method for producing sintered magnet

Details Method for producing sintered magnet Method for producing sintered magnet

2009-03-27

2011-10-11

Ward, Jessica L (Department: 1735)

Metal founding

Process

Shaping liquid metal against a forming surface

C419S041000, C252S06251C

Reexamination Certificate

active

08033314

ABSTRACT:
A method for producing a sintered magnet comprising steps of; wet-pulverizing a magnetic powder under the presence of a surface active agent, drying said wet-pulverized magnetic powder20for obtaining magnetic powder to which said surface active agent is adhered,heating and kneading said dried magnetic powder20with binder resin to form pellet, melting said pellet and injecting said pellet in a mold to which magnetic field is applied, to form a preform body, and firing said preform body.

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Office Action dated Apr. 13, 2010 issued in Japanese Patent Application No. 2008-093849 (with translation).

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