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Thin-film SOI semiconductor device having heavily doped diffusion regions beneath the channels of transistors
Thin-film SOI semiconductor device having heavily doped diffusion regions beneath the channels of transistors
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机译:薄膜SOI半导体器件在晶体管的沟道下方具有重掺杂的扩散区
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摘要
Thin-film SOI semiconductor devices formed in a thin film Si semiconductor substrate layer formed on an insulating layer on a semiconductor substrate have improved electrical characteristics and reliable reproducibility of those characteristics in the mass production, which are obtained by utilizing semiconductor substrate having high concentrations of active impurities, or by utilizing voltage biased, impurity diffusion regions in the surface of the semiconductor substrate aligned beneath CMOS FETs formed in the thin film Si layer. They can also be obtained by extension of the semiconductor substrate through the insulating film to the channel region of the CMOS FETs formed in a thin film Si regions. Further, reliably reproducible contact connection of electrodes to buried thin film Si layers is also achieved.
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