Process for making junction field-effect transistors

Fishing – trapping – and vermin destroying

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437238, 437 83, H01L 21325, H01L 21425

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active

047004614

ABSTRACT:
A self-aligned integrated JFET device is described wherein an oxide extension region and a doped polysilicon gate is used as part of a self-aligned mask to form drain and source regions. Asymmetric JFETs for power circuit applications can be made in accordance with the invention. Additionally, complementary enhancement mode JFETs can be made in accordance with the invention, for low power consumption and excellent radiation-hardened characteristics.

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