Fish & Richardson P.C.
Semiconductor device
A semiconductor with reduced area is provided. A first transistor includes a first conductor, a first insulator over the first conductor, an oxide semiconductor provided over the first insulator so as to overlap with the first conductor, a second insulator over the oxide semiconductor, a second conductor over the second insulator, and a third conductor and a fourth conductor in contact with the oxide semiconductor. The oxide semiconductor includes a region overlapping with the first region and not overlapping with the second region, and a region not overlapping with the first conductor and overlapping with the second conductor in a region positioned between the third conductor and the fourth conductor when viewed from above. The second transistor is a p-channel transistor. A layer in which the first transistor is provided and a layer in which the second transistor is provided are stacked together.
Semiconductor Energy Laboratory Co., Ltd.
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Kiyoshi
Kato