Method and machine of making rare-earth alloy granulated...

Metal treatment – Process of modifying or maintaining internal physical... – Magnetic materials

Reexamination Certificate

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C148S101000, C148S103000, C419S023000, C419S030000, C419S038000

Reexamination Certificate

active

07931756

ABSTRACT:
A method of making a rare-earth alloy granulated powder according to the present invention includes the steps of: preparing a rare-earth alloy powder; generating remnant magnetization in the powder; and granulating the powder by utilizing agglomeration force produced by the remnant magnetization of the powder. Since the agglomeration force produced by the remnant magnetization is utilized, the addition of a granulating agent may be omitted.

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