Chip resistor and method for manufacturing the same
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United States of America Patent
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Jun 12, 2018
Issued Date -
Aug 25, 2016
app pub date -
Feb 16, 2016
filing date -
Feb 19, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A chip resistor includes an upper electrode provided on a substrate, a resistor element connected to the upper electrode, and a side electrode connected to the upper electrode. The side electrode, arranged on a side surface of the substrate, has two portions overlapping with the obverse surface and reverse surface of the substrate, respectively. An intermediate electrode covers the side electrode, and an external electrode covers the intermediate electrode. A first protective layer is disposed between the upper electrode and the intermediate electrode, and held in contact with the upper electrode and the side electrode. The first protective layer is more resistant to sulfurization than the upper electrode. A second protective layer is disposed between the first protective layer and intermediate electrode, and held in contact with the first protective layer, side electrode and intermediate electrode.
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