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CMOS devices with high-k/metal gate stacks have been fabricated using a gate-first process flow and conventional stressors at gate lengths of 25 nm, highlighting the scalability of this approach for high performance SOI CMOS technology. AC drive currents of 1630muA/mum and 1190muA/mum have been demonstrated in 45 nm ground-rules at 1V and 200nA/mum off current for nFETs and pFETs, at a Tinv of 14...
High-K/metal gate technology represents a fundamental change in transistor structure that restarts gate length scaling, enables performance improvement and offers chip power reduction. The gate stack presented is compatible with conventional high temperature CMOS processing and existing performance enhancement elements. A new knob in the form of metal gate work function promises separate and better...
Starting with the 45 nm node, a tradeoff between performance and density exists that become more severe at the 32 nm node. An in-depth analysis of the impact of pitch and increased parasitics on device performance in the 32 nm node is presented. To counteract these effects, reduction of parasitics, gate length scaling, and aggressive stress engineering are necessary. Optimized layout using a "relaxed-pitch"...
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