Dual-damascene metallization interconnection

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

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Details

C257S753000, C257S767000, C257S773000, C257SE23142, C257SE23145

Reexamination Certificate

active

09871883

ABSTRACT:
An interconnect structure, comprising: a lower level wire having a side and a bottom, the lower level wire comprising: a lower core conductor and a lower conductive liner, the lower conductive liner on the side and the bottom of the lower level wire; an upper level wire having a side and a bottom, the upper level wire comprising an upper core conductor and an upper conductive liner, the upper conductive liner on the side and the bottom of the upper level wire; and the upper conductive liner in contact with the lower core conductor and also in contact with the lower conductive liner in a liner-to-liner contact region.

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Patent Abstracts of Japan, vol. 1998, No. 03, Feb. 27, 1998, JP 09 306989 A, 1 page, Yamagishi Nobuhisa.

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