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http://dx.doi.org/10.6117/kmeps.2022.29.2.099

Low-k Polymer Composite Ink Applied to Transmission Line  

Nam, Hyun Jin (ICT device packaging Research Center, Korea Electronics Technology Institute (KETI))
Jung, Jae-Woong (ICT device packaging Research Center, Korea Electronics Technology Institute (KETI))
Seo, Deokjin (ICT device packaging Research Center, Korea Electronics Technology Institute (KETI))
Kim, Jisoo (ICT device packaging Research Center, Korea Electronics Technology Institute (KETI))
Ryu, Jong-In (ICT device packaging Research Center, Korea Electronics Technology Institute (KETI))
Park, Se-Hoon (ICT device packaging Research Center, Korea Electronics Technology Institute (KETI))
Publication Information
Journal of the Microelectronics and Packaging Society / v.29, no.2, 2022 , pp. 99-105 More about this Journal
Abstract
As the chip size gets smaller, the width of the electrode line is also fine, and the density of interconnections is increasing. As a result, RC delay is becoming a problem due to the difference in resistance between the capacitor layer and the electrical conductivity layer. To solve this problem, the development of electrodes with high electrical conductivity and dielectric materials with low dielectric constant is required. In this study, we developed low dielectric ink by mixing commercial PSR which protect PCB's circuits from external factors and PI with excellent thermal property and low-k characteristics. As a result, the ink mixture of PSR and PI 10:3 showed the best results, with a dielectric constant of about 2.6 and 2.37 at 20 GHz and 28 GHz, respectively, and dielectric dissipation was measured at about 0.022 and 0.016. In order to verify the applicability of future applications, various line-width transmission lines produced on Teflon were evaluated, and as a result, the loss of transmission lines using low dielectric ink mixed with PI was 0.12 dB less on average in S21 than when only PSR was used.
Keywords
dielectric materials(low-k); transmission line; dielectric constant; PSR/PI hybrid polymer ink;
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Times Cited By KSCI : 1  (Citation Analysis)
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