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Proceedings Paper

Laser sintering of direct write silver nano-ink conductors for microelectronic applications
Author(s): Adeyl Khan; Nicholas Rasmussen; Valery Marinov; Orven F. Swenson
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Paper Abstract

Direct Write Technologies are reaching the goal of entirely printable microelectronic devices on flexible polymeric substrates. In the present work, nanoparticle inks deposited on low temperature polyimide substrates using Maskless Mesoscale Material Deposition (M3D®) technology were laser sintered using a continuous wave 1.06 micron Nd:YAG laser. In-situ measurements were made during sintering to capture the dynamic change in bulk resistivity as a function of deposited energy per volume of sintered material. It was shown that less than 0.05-μJ/μm3 started the sintering and 0.34-μJ/μm3 was enough for sintering the deposited samples regardless of initial resistance.

Paper Details

Date Published: 20 February 2008
PDF: 11 pages
Proc. SPIE 6879, Photon Processing in Microelectronics and Photonics VII, 687910 (20 February 2008); doi: 10.1117/12.759164
Show Author Affiliations
Adeyl Khan, North Dakota State Univ. (United States)
Nicholas Rasmussen, North Dakota State Univ. (United States)
Valery Marinov, North Dakota State Univ. (United States)
Orven F. Swenson, North Dakota State Univ. (United States)

Published in SPIE Proceedings Vol. 6879:
Photon Processing in Microelectronics and Photonics VII
David B. Geohegan; Andrew S. Holmes; Michel Meunier; Frank Träger; Craig B. Arnold; Jan J. Dubowski; Hiroyuki Niino, Editor(s)

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