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Dielectric and Sintering Properties of the Doping CaO-B2O3-SiO2 System Low Temperature Co-Fired Ceramics

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Abstract:

. A doping CaO-B2O3-SiO2 system low temperature co-fired ceramics (LTCC) was prepared with a mixture of high temperature melting glass and sol-gel glass for different ratio. The effects of sol-gel glass content on the microstructure, crystalline phases, sintering properties and dielectric properties of CaO-B2O3-SiO2 system were investigated at 850°C. The results show that the samples with sol-gel glass doping had little change in phase composition, but contained more calcium silicates, and less calcium borate. As the amount of sol-gel glass increased, the shrinkage improved, the sintered density slightly decreased, the dielectric constant (εr) reduced, and the dielectric loss (tgδ) decreased. When the amount of sol-gel glass was 14.5wt%, εr and tgδ of the doping sample were 5.80, 4.6×10-5 (at 1 MHz), respectively. Moreover, the doping system had a good matching ability with gold slurry and Au-Pt-Pd slurry.

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Info:

Periodical:

Key Engineering Materials (Volumes 434-435)

Pages:

371-375

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.434-435.371

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Cite this paper

Online since:

March 2010

Authors:

Ming He, Shu Ren Zhang, Xiao Hua Zhou, Jian Geng Hu, Ting Zhang, Bo Li

Keywords:

Dielectric Property, High-Temperature Melt, Sintering, Sol-Gel (SG)

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