| 摘要 |
To laminate field effect transistors having different conductivity types, while suppressing deterioration of the crystallinity of semiconductor layers where the field effect transistors are formed. A single crystal semiconductor layer, a dielectric layer and a single crystal semiconductor layer are successively laminated on a dielectric layer, a gate electrode is formed on side walls on both sides of the single crystal semiconductor layers through gate dielectric films and formed on side surfaces on both side of the single crystal semiconductor layers, source/drain layers disposed respectively on both sides of the gate electrode are formed in the single crystal semiconductor layer 13a, and source/drain layers disposed respectively on both sides of the gate electrode are formed in the single crystal semiconductor layer, whereby a P-channel field effect transistor MP1 and an N-channel field effect transistor MN1 are laminated.
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