Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Of specified material other than unalloyed aluminum
Reexamination Certificate
2011-08-16
2011-08-16
Smith, Zandra (Department: 2822)
Active solid-state devices (e.g., transistors, solid-state diode
Combined with electrical contact or lead
Of specified material other than unalloyed aluminum
C257SE23142, C257SE23157
Reexamination Certificate
active
07999382
ABSTRACT:
A semiconductor device includes a first interlayer insulating film formed on a semiconductor substrate; a second interlayer insulating film formed on the first interlayer film and including a plurality of grooves; a first barrier metal formed on inner surfaces of the grooves; a first interconnect part and a first bonding electrode part including a copper film formed on the first barrier metal; a second barrier metal formed on the first interconnect part and the first bonding electrode part; a second interconnect part including a metal film formed on the first interconnect part via the second barrier metal; a second bonding electrode part including a metal film formed on the first bonding electrode part via the second barrier metal; and a third interlayer insulating film formed on the second interlayer insulating film, the second interconnect part, and the second bonding electrode part, and including an opening that allows exposure of the surface of the second bonding electrode part.
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Foley & Lardner LLP
Kabushiki Kaisha Toshiba
Patton Paul E
Smith Zandra
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