Method for manufacturing a soft magnetic metal electromagnetic component
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United States of America Patent
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Oct 6, 2009
Grant Date -
Nov 24, 2005
app pub date -
Jun 30, 2005
filing date -
Jun 11, 2003
priority date (Note) -
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Abstract
An electromagnetic component is formed from a pre-form comprising layers of soft magnetic metal ribbon. Adhesive is applied to permeate the pre-form and is then cured. The bonded pre-form is placed within a milling assembly that supports and constrains the ribbon layers during a milling operation used to process the pre-form into an electromagnetic component shape. Optionally, the shape is thermally processed. The resulting electromechanical component has attractive soft magnetic properties, including low core loss, that render it useful as a component in electric motors and generators and static inductive devices operable at high excitation frequencies.
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