Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode
Reexamination Certificate
2005-05-10
2005-05-10
Abraham, Fetsum (Department: 2826)
Active solid-state devices (e.g., transistors, solid-state diode
Field effect device
Having insulated electrode
C257S307000
Reexamination Certificate
active
06891219
ABSTRACT:
Within metal interconnect layers above a substrate of an integrated circuit, a vertical metal-insulator-metal (VMIM) capacitor is formed by the same damascene metallization types of processes that formed the metal interconnect layers. The metal interconnect layers have horizontal metal conductor lines, are vertically separated from other metal interconnect layers by an interlayer dielectric (ILD) layer, and electrically connect to the other metal interconnect layers through via connections extending through the ILD layer. One vertical capacitor plate of the VMIM capacitor is defined by a metal conductor line and a via connection. The other vertical capacitor plate is defined by a metal region adjacent to the metal conductor line and the via connection. The metal conductor line, the via connection and the metal region are formed by the damascene metallization processes.
Allman Derryl
Gregory John
Abraham Fetsum
Ley LLC John R.
LSI Logic Corporation
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