Laminated magnetic cores
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United States of America Patent
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Oct 2, 2012
Grant Date -
Sep 25, 2008
app pub date -
Mar 20, 2008
filing date -
Mar 21, 2007
priority date (Note) -
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Abstract
Laminations to be stacked as magnetic cores are produced from a very thin amorphous metal strip, using a punch press with accurate punch/die clearance. The laminations are collected on conveyor spindles or a transport rod or pipe, in either case being arranged without the need for substantial handling. Heat annealing and anti-vibration treatments can be applied along a conveying path. The laminations are grouped in a stack to define a core and are packaged or encapsulated in electrically nonconductive coverings. The finished core has advantageous electrical characteristics and low cost.
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