Semiconductor device having a shielding layer

Active solid-state devices (e.g. – transistors – solid-state diode – Integrated circuit structure with electrically isolated... – Including dielectric isolation means

Reexamination Certificate

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C257S409000, C257S422000

Reexamination Certificate

active

07049676

ABSTRACT:
The semiconductor device includes a multilevel interconnection formed on a semiconductor substrate. The multilevel interconnection includes a plurality of wiring layers each of which is insulated by an insulating layer. A metal member is formed as a shielding film in a same plane as a wiring layer. As a result, the shielding layer can be formed without increasing the number of process steps.

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