Compacted magnetic core with high resistance, manufacturing...

Details Compacted magnetic core with high resistance, manufacturing... Compacted magnetic core with high resistance, manufacturing...

2007-10-26

2010-10-19

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S045000, C310S046000, C310S156450

Reexamination Certificate

active

07816820

ABSTRACT:
A compacted magnetic core with a high resistance, which comprises compacted magnetic powder of an iron powder or an alloy powder containing iron as a main ingredient and a layer of a rare earth metal fluoride or an alkaline earth metal fluoride on the surface of the powder, wherein the rare earth metal fluoride or the alkaline earth metal fluoride contains fluorine-depleted crystal lattice at a rate of 10% or less.

REFERENCES:
patent: 2864734 (1958-12-01), Adams
patent: 2006/0022175 (2006-02-01), Komuro et al.
patent: 09170001 (1997-06-01), None
patent: 10-154613 (1998-06-01), None
patent: 10312927 (1998-11-01), None
patent: 2003-332116 (2003-11-01), None
patent: 2004-288983 (2004-10-01), None
patent: 2006-041203 (2006-02-01), None
patent: 2006041203 (2006-02-01), None
Machine Translation JP2006041203 (2006), JP09170001(1997), JP10312927(1998).

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