Powdered iron core magnetic devices
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United States of America Patent
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-
Jul 22, 1986
Issued Date -
N/A
app pub date -
Sep 20, 1985
filing date -
May 5, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A compacted powdered iron core utilizes iron powder in the 0.002 to 0.006 mean particle size range which is firt coated with an alkali metal silicate and then overcoated with a silicone resin polymer. The treated powder is compressed to approximately 94% of theoretical density and then annealed at approximately 600.degree. C. This results in a core component characterized by overall core losses as low as in conventional laminated cores in A.C. operation.
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