Method of making iron base magnetic material alloy powder
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United States of America Patent
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Jul 1, 2003
Grant Date -
Sep 13, 2001
app pub date -
Dec 21, 2000
filing date -
Dec 27, 1999
priority date (Note) -
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Abstract
A method of making an iron base magnetic material alloy powder includes the steps of: preparing an iron base magnetic material alloy containing at least 50% by mass of iron; and pulverizing the magnetic material alloy using a pin mill. A portion of the mill, which comes into contact with the magnetic material alloy, is made of a cemented carbide material at least partially.
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