Semiconductor device having superior resistance to moisture

Details Semiconductor device having superior resistance to moisture Semiconductor device having superior resistance to moisture

2005-04-05

2005-04-05

Nguyen, Thanh (Department: 2813)

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

With means to control surface effects

Insulating coating

C257S660000, C257S620000, C257S662000, C257S758000, C257S211000

Reexamination Certificate

active

06876064

ABSTRACT:
In a semiconductor device, a circuit unit is formed in an inside portion, and seal rings that enclose the inside portion that are composed of walls of metal layers are formed around the periphery. In the corners, the seal rings include linear parts that extend inwardly in addition to the linear parts that extend along the periphery, whereby the seal rings are formed in a planar pattern having small rectangular planar patterns in each corner.

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