Challenges and Opportunities in Direct Write Technology Using Nano-metal Particles

Direct write technology assists the electronic industry in their effort to miniaturize electronic circuits and enhance speed of printing capability. The technology allows printing various patterns without employing a mask or a resist with an e...

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Main Authors: Kenneth N. Han, Nam Soo Kim
Format: Article
Language:English
Published: Hosokawa Powder Technology Foundation 2014-03-01
Series:KONA Powder and Particle Journal
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/kona/27/0/27_2009009/_pdf/-char/en
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author Kenneth N. Han
Nam Soo Kim
author_facet Kenneth N. Han
Nam Soo Kim
author_sort Kenneth N. Han
collection DOAJ
description Direct write technology assists the electronic industry in their effort to miniaturize electronic circuits and enhance speed of printing capability. The technology allows printing various patterns without employing a mask or a resist with an enhanced speed with the aid of computer.This paper describes the current status of the synthesis of conductive inks, a key to success in this technology. There are numerous factors to overcome in manufacturing inks which meet all the necessary conditions of conductivity, viscosity, and stability. In order to achieve the required conductivity, nano-particles used in the ink have to be made from gold, silver or copper. Inherent problems involved in these metal powders include high melting point, coagulation, impurities, cost, and, in the case of copper, oxidation. The direction of research currently being carried out in meeting and overcoming various challenges in this technology is reviewed and discussed. Other salient applications of nano-sized metal powders are also briefly examined.
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spelling doaj.art-c013114242a84ab195fbd464d148a02f2022-12-21T23:31:39ZengHosokawa Powder Technology FoundationKONA Powder and Particle Journal0288-45342187-55372014-03-01270738310.14356/kona.2009009konaChallenges and Opportunities in Direct Write Technology Using Nano-metal ParticlesKenneth N. Han0Nam Soo Kim1South Dakota School of Mines & TechnologyKEN Research Laboratory, Seo Kyeong UniversityDirect write technology assists the electronic industry in their effort to miniaturize electronic circuits and enhance speed of printing capability. The technology allows printing various patterns without employing a mask or a resist with an enhanced speed with the aid of computer.This paper describes the current status of the synthesis of conductive inks, a key to success in this technology. There are numerous factors to overcome in manufacturing inks which meet all the necessary conditions of conductivity, viscosity, and stability. In order to achieve the required conductivity, nano-particles used in the ink have to be made from gold, silver or copper. Inherent problems involved in these metal powders include high melting point, coagulation, impurities, cost, and, in the case of copper, oxidation. The direction of research currently being carried out in meeting and overcoming various challenges in this technology is reviewed and discussed. Other salient applications of nano-sized metal powders are also briefly examined.https://www.jstage.jst.go.jp/article/kona/27/0/27_2009009/_pdf/-char/ennano metalsdirect writecatalysisreductioninverse micelle
spellingShingle Kenneth N. Han
Nam Soo Kim
Challenges and Opportunities in Direct Write Technology Using Nano-metal Particles
KONA Powder and Particle Journal
nano metals
direct write
catalysis
reduction
inverse micelle
title Challenges and Opportunities in Direct Write Technology Using Nano-metal Particles
title_full Challenges and Opportunities in Direct Write Technology Using Nano-metal Particles
title_fullStr Challenges and Opportunities in Direct Write Technology Using Nano-metal Particles
title_full_unstemmed Challenges and Opportunities in Direct Write Technology Using Nano-metal Particles
title_short Challenges and Opportunities in Direct Write Technology Using Nano-metal Particles
title_sort challenges and opportunities in direct write technology using nano metal particles
topic nano metals
direct write
catalysis
reduction
inverse micelle
url https://www.jstage.jst.go.jp/article/kona/27/0/27_2009009/_pdf/-char/en
work_keys_str_mv AT kennethnhan challengesandopportunitiesindirectwritetechnologyusingnanometalparticles
AT namsookim challengesandopportunitiesindirectwritetechnologyusingnanometalparticles