Characterization of TC-3 Glass/Fused Silica Composites for LTCC Applications

Xi Geng Miao; Xian Gao Zhang; Xiao Wei Fang; Fabrizia Ghezzo; Zhi Ya Zhao; Ruo Peng Liu

doi:10.4028/www.scientific.net/AMM.492.281

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 492Characterization of TC-3 Glass/Fused Silica...

Characterization of TC-3 Glass/Fused Silica Composites for LTCC Applications

Abstract:

A glass powder of the SiO₂-Al₂O₃-K₂O-Na₂O system was added to fused silica particles to form composite green compacts by tape casting. This procedure was able to lower the sintering temperature of the fused silica particles making the composites suitable for being co-fired with the silver-palladium (Ag-Pd) paste commonly used as a conductive circuit in several microwave applications. The resulting new ceramic composite with the composition of 50 wt% fused silica and 50 wt% glass (brand name: TC-3) had a low dielectric constant and a low loss tangent of 2.7 and 2.5-3.7 x10^-3 , respectively, and was able to be co-fired with the Ag-Pd conductive paste at the temperature of 895 °C, resulting in a potential low temperature co-fired ceramic (LTCC) system for microwave applications.

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Periodical:

Applied Mechanics and Materials (Volume 492)

Pages:

281-285

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.492.281

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Online since:

January 2014

Authors:

Xi Geng Miao, Xian Gao Zhang, Xiao Wei Fang, Fabrizia Ghezzo, Zhi Ya Zhao, Ruo Peng Liu

Keywords:

Glass, Low Dielectric Constant, Low Temperature Co-Fired Ceramic (LTCC), Silica, Silver, Tape Casting

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