Electrical Characterization of Screen-Printed Conductive Circuit with Silver Nanopaste
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概要
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This study examined the effects of the sintering conditions on the microstructure and electrical characteristics of screen printed Ag patterns. A conducting paste containing Ag nanoparticles (73 wt %) was screen printed onto a quartz wafer and sintered under a range of conditions, e.g., sintering temperature of 150, 200, 250, and 300 °C, and time of 15, 30, 45, and 60 min. The microstructure and thickness profile of the sintered patterns was examined using an environmental scanning electron microscope and three-dimensional nano-scan viewer. A network analyzer and Cascade’s probe system in the frequency range of 10 MHz to 20 GHz were also used to measure the $S$-parameters of the sintered Ag conducting patterns. The resistivity under the application of a direct current (DC) signal decreased with increasing temperature and time. From the measured $S$-parameters, the electrical losses decreased with increasing sintering temperature due to the formation of an interparticle neck after heat treatment at high temperatures. However, sintering at 200 °C had no significant effect on the return and insertion losses of the printed patterns.
- 2009-06-25
著者
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Jung Seung-boo
School Of Adv. Mat. Sci. & Eng. Sungkyunkwan Univ.
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Kim Jong-woong
School Of Advanced Materials Science & Engineering Sungkyunkwan University
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Jung Seung-Boo
School of Advanced Materials Science and Engineering, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon 440-746, Korea
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Kim Jong-Woong
School of Advanced Materials Science and Engineering, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon 440-746, Korea
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