Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode
Reexamination Certificate
2007-06-05
2007-06-05
Owens, Douglas W. (Department: 2811)
Active solid-state devices (e.g., transistors, solid-state diode
Field effect device
Having insulated electrode
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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Gebremariam Samuel A.
Owens Douglas W.
Sonnenschein Nath & Rosenthal LLP
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