Recessed termination for trench schottky device without...

Active solid-state devices (e.g. – transistors – solid-state diode – Schottky barrier – With means to prevent edge breakdown

Reexamination Certificate

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Details

C257S509000, C257S510000

Reexamination Certificate

active

07466005

ABSTRACT:
A trench type Schottky device has a guard ring diffusion of constant depth between the outermost of an active trench and an outer surrounding termination trench. The junction curvature of the guard ring diffusion is suppressed or cut out by the trenches.

REFERENCES:
patent: 6825105 (2004-11-01), Grover et al.
patent: 2005/0062124 (2005-03-01), Chiola

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