Semiconductor device and manufacturing method thereof

Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode

Reexamination Certificate

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Details

C257S335000, C257S531000, C257S588000, C336S174000

Reexamination Certificate

active

10221802

ABSTRACT:
The present invention is related to a semiconductor device that forms an inductor on the same semiconductor substrate together with other active elements and a manufacturing method thereof. The semiconductor device of the present invention comprises a first conductivity type substrate, first semiconductor layer of a first conducting type with an impurity concentration lower than the substrate and a second semiconductor layer of a second conducting type on the first layer, an insulating film formed on this high-resistance semiconductor layer, and an inductor formed on this insulating film. The inductor has conducting film defining a width of the inductor. The first and second semiconductor layers are each formed under and at least as long as the width of the inductor.

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