Multi-GHz Microstrip Transmission Lines Realised by Screen Printing on Flexible Substrates

Shi, Yizhi, Jiang, Zhenzhen ORCID: 0000-0003-3306-883X, Lam, Sang, Leach, Mark, Wang, Jingchen and Lim, Eng Gee ORCID: 0000-0003-0199-7386
(2017) Multi-GHz Microstrip Transmission Lines Realised by Screen Printing on Flexible Substrates. In: 2017 IEEE Electrical Design of Advanced Packaging and Systems Symposium (EDAPS), 2017-12-14 - 2017-12-16.

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This paper reports experimental work on 50 Ω microstrip transmission lines implemented by screen-printing low-cost silver paste onto thin flexible polyethylene terephthalate (PET) substrates of varying thickness. The microstrip line designs are based on PET substrates with thicknesses of 1.4 mm, 0.7 mm and 0.5 mm, leading to conductive track widths of 3.8 mm, 1.7 mm and 1.2 mm respectively for a 50 Ω line; these designs were then realised. The S-parameter measurements show that the insertion loss of the microstrip transmission lines on each substrate can be as low as 0.2 dB/cm, 0.17 dB/cm, and 0.14 dB/cm up to a frequency of 5 GHz in spite of the average quality of the silver paste used. The experimental results also show that the screen-printed transmission lines still work quite well in bent condition and wearable electronics application at GHz is possible.

Item Type: Conference or Workshop Item (Unspecified)
Uncontrolled Keywords: microstrip transmission line, screen printing, polyethylene terephthalate, insertion loss, S-parameter, radio frequency (RF)
Depositing User: Symplectic Admin
Date Deposited: 03 Sep 2020 07:43
Last Modified: 18 Jan 2023 23:35
DOI: 10.1109/edaps.2017.8277038
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