Paper
4 April 2012 Transistor architecture impact on wafer inspection
Author Affiliations +
Abstract
Pitch and CD scaling have been the main drivers of wafer inspection (WI) requirements, with tighter pitches and smaller CD's pushing the adoption of inspection tools with greater capabilities. With the introduction of strained silicon, Hi-k / metal gates and tri-gate transistors, integration schemes are playing a prominent role in WI. The present paper explores, through FDTD aerial image simulations, the impact of device integration scheme on WI. Various defect types are simulated for planar gate, planar Hi-k / metal gate and tri-gate transistors and the impact to WI requirements are explored.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Timothy F. Crimmins "Transistor architecture impact on wafer inspection", Proc. SPIE 8324, Metrology, Inspection, and Process Control for Microlithography XXVI, 83240C (4 April 2012); https://doi.org/10.1117/12.917009
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KEYWORDS
Inspection

Transistors

Diffusion

Metals

Optical lithography

Wafer inspection

Neodymium

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