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CPI stress induced carrier mobility shift in advanced silicon nodes

 
: Sukharev, Valeriy; Choy, Jun-Ho; Kteyan, Armen; Hovsepyan, Henrik; Mühle, Uwe; Zschech, Ehrenfried; Radojcic, Riko

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American Society of Mechanical Engineers -ASME-:
ASME International Mechanical Engineering Congress and Exposition, IMECE 2016. Vol.10: Micro- and Nano-Systems Engineering and Packaging : November 11-17, 2016, Phoenix, Arizona, USA
New York/NY.: ASME, 2016
ISBN: 978-0-7918-5064-0
Paper V010T13A046, 10 pp.
International Mechanical Engineering Congress and Exposition (IMECE) <2016, Phoenix/Ariz.>
English
Conference Paper
Fraunhofer IKTS ()

Abstract
Potential challenges with managing mechanical stress and the consequent effects on device performance for advanced 3D IC technologies are outlined. The growing need for a simulation-based design verification flow capable of analyzing and detecting across-die out-of-spec stress-induced variations in MOSFET/FinFET electrical characteristics is highlighted. A physics-based compact modeling methodology for multi-scale simulation of all contributing components of stress induced variability is described. A simulation flow that provides an interface between layout formats (GDS II, OASIS), and FEA-based package-scale tools, is also developed. This tool, can be used to optimize the floorplan for different circuits and packaging technologies, and/or for the final design signoff, for all stress induced phenomena. Finally, a calibration technique based on fitting to measured electrical characterization data is presented, along with correlation of the electrical characteristics to direct physical strain measurements.

: http://publica.fraunhofer.de/documents/N-445965.html