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http://dx.doi.org/10.5695/JKISE.2017.50.5.301

Electrical Properties of Thick-Film Resistor Prepared by Using RuO2-Glass Composite Powder  

Kim, Min-Sik (Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology)
Ryu, Sung-Soo (Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology)
Publication Information
Journal of the Korean institute of surface engineering / v.50, no.5, 2017 , pp. 301-307 More about this Journal
Abstract
The purpose of this study is to investigate the electrical properties of thick-film resistor (TFR) prepared from $CaO-ZnO-B_2O_3-Al_2O_3-SiO_2$ (CZBAS) glass containing $RuO_2$ particles. $RuO_2$-glass composite powder was made by mixing and melting oxide powders of constituents. For comparison, $RuO_2$ powder was simply mixed with glass powder. $RuO_2$-40wt% glass composite and mixture were dispersed in an organic binder to obtain printable resistor paste and then thick-film was formed by screen printing, followed by sintering at the range between $750^{\circ}C$ and $900^{\circ}C$ for 10 min with a heating rate of $50^{\circ}C/min$ in an ambient atmosphere. $RuO_2$-glass composite sample showed much higher resistance compared to the simple mixed sample. This could be attributed to the difference in conducting mechanism. After sintering at $850^{\circ}C$, temperature coefficient of resistance of composite sample was lower than that of simple-mixed sample. TFR with dense and homogeneous microstructure could be obtained by using $RuO_2$-glass composite powder.
Keywords
Thick-film resistor; $RuO_2$; Oxide glass composite; Sheet resistance;
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Times Cited By KSCI : 1  (Citation Analysis)
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