LDMOS transistor

Details LDMOS transistor LDMOS transistor

2006-05-23

2006-05-23

Parker, Kenneth (Department: 2815)

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

Field effect device

Having insulated electrode

C257S409000, C438S286000, C438S140000

Reexamination Certificate

active

07049669

ABSTRACT:
A semiconductor device comprises an active region of a first conductivity type including a transistor structure, and a ring shaped region of the first conductivity type extending from a surface of the active region into the active region and substantially surrounding the transistor structure.

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