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Optical Characteristics of Nanoparticle Sintering and Coalescence for Electronics Fabrication

[+] Author Affiliations
Heng Pan, Seung Hwan Ko, Costas P. Grigoropoulos

University of California - Berkeley, Berkeley, CA

Paper No. HT2009-88068, pp. 579-587; 9 pages
  • ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences
  • Volume 3: Combustion, Fire and Reacting Flow; Heat Transfer in Multiphase Systems; Heat Transfer in Transport Phenomena in Manufacturing and Materials Processing; Heat and Mass Transfer in Biotechnology; Low Temperature Heat Transfer; Environmental Heat Transfer; Heat Transfer Education; Visualization of Heat Transfer
  • San Francisco, California, USA, July 19–23, 2009
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-4358-1 | eISBN: 978-0-7918-3851-8
  • Copyright © 2009 by ASME


Low temperature sintering of metal nanoparticle (NP) inks is a promising technique in realizing large area and flexible electronics. Previous research efforts on laser patterning of nanoparticle-laden materials in micro-fabrication as well as potential applications in nano-fabrication have sparked great interest in understanding the fundamental phenomena involved in nanoscale phase change and coalescence transformation. Molecular dynamics simulation has been applied to study nanoparticle sintering behavior. Optical methods including in-situ pump and probe technique and spectroscopic ellipsometry have been employed to study the characteristics of nanoparticle sintering and coalescence including coalescence time, temperature history and percolation transition, etc.

Copyright © 2009 by ASME



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