Insulated electric wire and coil using same
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United States of America Patent
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Nov 1, 2016
Grant Date -
Jan 3, 2013
app pub date -
Mar 28, 2012
filing date -
Jun 30, 2011
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Abstract
An insulated electric wire includes a conductor and an insulating coating provided around a perimeter of the conductor. The insulating coating includes a first insulating coating film around the perimeter of the conductor, the first insulating coating film being formed of a resin containing an imide structure in its molecule, and a second insulating coating film around a perimeter of the first insulating coating film, the second insulating coating film being formed of a polyimide resin comprising a repeat unit represented by Formula 1, and having an imide concentration of not less than 15% and not more than 36%,
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