Method of preparing conductive magnetic composite sheet and antenna device
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United States of America Patent
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Nov 19, 2019
Grant Date -
Nov 30, 2017
app pub date -
May 31, 2017
filing date -
May 31, 2016
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Abstract
According to a method of preparing a conductive magnetic composite sheet, the method comprising preparing a magnetic sheet comprising a magnetic powder and a binder resin; stacking the magnetic sheet and a first conductive foil; and applying heat and pressure to the obtained stack to bond the magnetic sheet and the first conductive foil, a conductive magnetic composite sheet having excellent interlayer adhesion between the magnetic sheet and the conductive foil can be prepared while having an excellent magnetic property at NFC, WPC, and MST frequencies.
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