Semiconductor device
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United States of America Patent
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Dec 21, 2015
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Mar 20, 2014
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Abstract
A semiconductor device including a first circuit region in which a first circuit whose power supply potential is a first voltage is formed; a second circuit region in which a second circuit whose power supply potential is a second voltage lower than the first voltage is formed a separation region which separates the first circuit region from the second circuit region; and a transistor which is located in the separation region and couples the second circuit to the first circuit and whose source and drain are of a first conductivity type, the separation region including an element separation film; a first field plate which overlaps with the element separation film in plan view; a plurality of conductive films which are provided over the first field plate.
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