Semiconductor device

Details Semiconductor device Semiconductor device

2006-11-20

2009-12-22

Doan, Theresa T (Department: 2814)

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Having insulated electrode

C257S329000, C257S496000, C257SE27091, C257SE29118, C438S138000

Reexamination Certificate

active

07635892

ABSTRACT:
A semiconductor device has a semiconductor substrate having a first main surface, a second main surface opposite to the first main surface, and a recess defined in the second main surface by side surfaces and a bottom surface, a semiconductor region provided in the bottom surface of the recess of the semiconductor substrate, semiconductor regions provided in the surface of a peripheral region on the second main surface side, and insulating films provided on the side surfaces of the recess to electrically insulate the semiconductor regions.

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