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http://dx.doi.org/10.4191/KCERS.2003.40.2.172

Low-temperature Sintering and Microwave Dielectric Properties of BaTi4O9-based Ceramics  

Choi, Young-Jin (Multifunctional Ceramics Research Center, Korea Institute of Science and Technology, Department of Materials Science and Engineering, Korea University)
Shin, Dong-Soon (Multifunctional Ceramics Research Center, Korea Institute of Science and Technology, Department of Materials Science and Engineering, Korea University)
Park, Jae-Hwan (Multifunctional Ceramics Research Center, Korea Institute of Science and Technology)
Nahm, Sahn (Department of Materials Science and Engineering, Korea University)
Park, Jae-Gwan (Multifunctional Ceramics Research Center, Korea Institute of Science and Technology)
Publication Information
Journal of the Korean Ceramic Society / v.40, no.2, 2003 , pp. 172-177 More about this Journal
Abstract
Effect of glass addition on the low-temperature sintering and microwave dielectric properties of $BaTi_4O_9$-based ceramics were studied to develop the materials for the functional substrate of low-temperature co-fired ceramics. When 10 wt% of glass was added, sufficient densification was obtained and the relative density more than 98% was reached at the sintering temperature of$875{\circ}C$. The microwave dielectric properties were k=32, Q＊f=9000 GHz, ${ au}_f$=10 ppm/${\circ}C$. As the amount of glass increased, phase decompositions from $BaTi_4O_9;to;BaTi_5O_{11};and;Ba_4Ti_{13}O_{30}$ was observed.
Keywords
${BaTi_4}{O_9}$; Microwave ceramics; LTCC; Borosilicate; Glass;
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