Semiconductor device with seal ring

Active solid-state devices (e.g. – transistors – solid-state diode – Physical configuration of semiconductor – With peripheral feature due to separation of smaller...

Reexamination Certificate

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Details

C257SE23127, C257SE23181, C257SE23193

Reexamination Certificate

active

07605448

ABSTRACT:
A semiconductor device according to the invention is a semiconductor device which includes a low dielectric constant film of which the relative dielectric constant is less than 3.5, is provided with one or more seal rings that are moisture blocking walls in closed loop form in a plan view, and where at least one of the seal rings includes a seal ring protrusion portion in inward protruding form in the vicinity of a chip corner.

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patent: 2004-172169 (2004-06-01), None

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