Electronic component and manufacturing method thereof
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United States of America Patent
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Feb 21, 2017
Grant Date -
Oct 2, 2014
app pub date -
Mar 27, 2014
filing date -
Mar 28, 2013
priority date (Note) -
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Abstract
A coil component 1 includes a thin-film coil layer including spiral conductors and bump electrodes 12a to 12d formed on a surface of the thin-film coil layer. The thin-film coil layer includes internal terminal electrodes 24a to 24d connected respectively to corresponding one ends of the spiral conductors, and a fourth insulating layer 15d covering the internal terminal electrode 24a to 24d and having openings ha to hd. Both a top surface TS and a side surface SS of each of the internal terminal electrodes 24a to 24d are exposed through the corresponding opening. The bump electrodes 12a to 12d are each brought into contact with both the top surface TS and side surface SS of each of the internal terminal electrodes 24a to 24d in the corresponding opening.
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