Semiconductor device

Details Semiconductor device Semiconductor device

2011-08-30

2011-08-30

Louie, Wai Sing (Department: 2814)

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

Combined with electrical contact or lead

Of specified material other than unalloyed aluminum

C257S764000

Reexamination Certificate

active

08008778

ABSTRACT:
A semiconductor device includes a first metal layer provided above a semiconductor substrate, an interlayer insulating film provided above the first metal layer, a second metal layer that is provided in an opening formed in the interlayer insulating film and is in contact with an underlying layer, the second metal layer being connected to the first metal layer, and a first barrier layer that is provided between the second metal layer and the interlayer insulating film and has a different main composition from that of the underlying layer.

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