Silver screen printed transmission lines- influence of substrate porosity on the RF performance and modelling up to 30GHz
conference contributionposted on 23.03.2015, 13:38 by Ying Lim, Yee GohYee Goh, Manuba Yoshida, Tung T. Bui, Tracy Vincent, Masahiro Aoyagi, Changqing LiuChangqing Liu
In this paper, the authors investigate the influence of DC conductivity on the RF performance of screen printed traces on a flexible substrate. From literature, much work has been done on the effect of sintering conditions on the electrical resistivity of printed traces. Typically the traces were printed onto substrates with negligible surface roughness. Yet this would not be the case for printing on textiles for wearable electronics applications. In this paper, we investigate the electrical resistivity of screen printed traces on a substrate which is similar to fabrics, in that it is flexible and has nonnegligible surface roughness (Ra~1μm). In particular, an accurate simulation model was developed to correlate with the measurement results, which would provide guidelines for the modelling of similar printed traces to predict their RF performances.
The authors are grateful to Rogers Corporation for the generous provision of the RO3006TM laminates. In addition, they are indebted to Computer Simulation Technology (CST) for the provision of the software license for this work. Lastly, the authors would like to acknowledge the 7th European Community Framework Programme for financial support through a Marie Curie International Research Staff Exchange Scheme (IRSES) Project entitled “Micro-Multi-Material Manufacture to Enable Multifunctional Miniaturised Devices (M6)” (Grant No. PIRSES-GA-2010-269113). A part of this work was conducted at the AIST Nano-Processing Facility and NIMS Nanofabrication Platform, supported by "Nanotechnology Platform Program" of the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan.
- Mechanical, Electrical and Manufacturing Engineering