Patent ID: 6649977
Filing Date: 2003-11-18
Classification: H01L

Abstract:
A silicon on insulator self-aligned transistor, comprising:a substrate composed of insulator material; a layer of doped polysilicon on a surface of said substrate, said layer of polysilicon having sections defining therein a polysilicon source, a polysilicon gate, and a polysilicon drain; a layer of oxide material adjacent and in contact with a surface of said layer of polysilicon, said layer of oxide material having holes therein containing doped polysilicon in contact with said polysilicon source and said polysilicon drain; a layer of silicon of conductivity type 1 adjacent and in contact with a surface of said layer of oxide material; a diffused source and a diffused drain located in said layer of conductivity type 1 silicon and in contact with said polysilicon source and said polysilicon drain via said doped polysilicon contained in said holes in said layer of oxide material; and a pair of bridge regions located in said layer of conductivity type 1 silicon and in electrical contact with said diffused source said and diffused drain guaranteeing electrical contact with an inversion region located under said layer of oxide material covered by said polysilicon gate.