FDSOI: Concept of Secondary Gates (Buried Gates)

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meeyaw

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Hi Brilliant People,

I am currently studying this new type of transistor technology called the FDSOI. I am confused or know little about how these secondary gate are achieved/work and how is it related to its bulk bias potential?

And how is Vt is adjusted by placing P or N well beneath the channel and the buried insulator?

Thanks,
Meeyaw
 

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