Semiconductor device and method of manufacturing semiconductor device
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United States of America Patent
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Jun 12, 2018
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app pub date -
Aug 25, 2017
filing date -
Sep 17, 2015
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Abstract
In a semiconductor device, an interlayer insulating film electrically insulating a gate electrode and a source electrode has a structure in which a BPSG film and a NSG film are sequentially stacked. Further, the interlayer insulating film has a structure in which the BPSG film, the NSG film, and a SiN film are sequentially stacked, or a structure in which the BPSG film, the SiN film, and the NSG film are sequentially stacked. Such a structure enables the reliability of the semiconductor device in which a pin-shaped electrode is bonded by solder to be improved.
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