Semiconductor device having a guard ring

Details Semiconductor device having a guard ring Semiconductor device having a guard ring

2005-09-27

2005-09-27

Nadav, Ori (Department: 2811)

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

Regenerative type switching device

Bidirectional rectifier with control electrode

C257S170000, C257S409000, C257S484000, C257S758000

Reexamination Certificate

active

06949775

ABSTRACT:
A semiconductor device has a guard ring in a multilayer interconnection structure, wherein the guard ring includes a conductive wall extending zigzag in a plane parallel with a principal surface of a substrate.

REFERENCES:
patent: 5817572 (1998-10-01), Chiang et al.
patent: 5834829 (1998-11-01), Dinkel et al.
patent: 6022791 (2000-02-01), Cook et al.
patent: 6163065 (2000-12-01), Seshan et al.
patent: 7-201855 (1995-08-01), None
patent: 10-335456 (1998-12-01), None

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