期刊
ADVANCED MATERIALS TECHNOLOGIES
卷 5, 期 1, 页码 -出版社
WILEY
DOI: 10.1002/admt.201900897
关键词
additive manufacturing for electronics; induction sintering; printed electronics; silver nanoparticle inks
资金
- National Research Foundation, Prime Minister's Office, Singapore under its Medium-Sized Centre funding scheme
- Singapore International Graduate Award (SINGA) Scholarship
- HRH Princess Sirindhorn Scholarship
Additive manufacturing for electronics is one of the world's fastest growing technologies in recent years. This new and upcoming technology has facilitated many innovative applications and high commercialization of metallic nanoparticle inks. A robust and novel induction sintering technique is proposed to solve the major challenges faced by the current existing sintering techniques in sintering metallic nanoparticle inks. The induction sintering process is a noncontact selective sintering process, in which only electrically conductive presintered printed patterns are heated up by alternating electromagnetic field through eddy current losses. It is also more energy-efficient and effective as compared to thermal sintering since the induction sintering process only heats the electrically conductive printed patterns rather than the entire substrate. The electrical resistivity of the induction-sintered printed pattern is measured to be 1.98 x 10(-8) omega m, which is approximate to 81% bulk conductivity of silver. This research breakthrough hence has the potential to overcome the challenges faced in additive manufacturing for electronics, in which printed patterns with high electrical conductivity can be fabricated on flexible substrates.
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