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http://dx.doi.org/10.4313/TEEM.2009.10.4.116

Dielectric Properties of Polymer-ceramic Composites for Embedded Capacitors  

Yoon, Jung-Rag (R&D Center, Samwha Capacitor Co., Ltd.)
Han, Jeong-Woo (R&D Center, Samwha Capacitor Co., Ltd.)
Lee, Kyung-Min (R&D Center, Samwha Capacitor Co., Ltd.)
Publication Information
Transactions on Electrical and Electronic Materials / v.10, no.4, 2009 , pp. 116-120 More about this Journal
Abstract
Ceramic-polymer composites have been investigated for their suitability as embedded capacitor materials because they combine the processing ability of polymers with the desired dielectric properties of ceramics. This paper discusses the dielectric properties of the ceramic ($BaTiO_3$)-polymer (Epoxy) composition as a function of ceramic particle size at a ceramic loading of 40 vol%. The dielectric constant of these ceramic-polymer composites increases as the powder size decreases. Results show that ceramic-polymer composites have a high dielectric constant associated with the $BaTiO_3$ powder with a 200 nm particle size, high insulation resistance, high breakdown voltage (> 22 KV/mm), and low dielectric loss (0.018-0.024) at 1 MHz.
Keywords
Embedded capacitor; Dielectric constant; Breakdown voltage; Ceramic-polymer film;
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