Oxyfluoride glass-silica ceramic composite for low temperature co-fired ceramics

被引:9
作者
Wang, Rui [1 ]
Zhou, Ji [1 ]
Zhao, Hongjie [1 ]
Li, Bo [1 ]
Li, Longtu [1 ]
机构
[1] Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
基金
美国国家科学基金会;
关键词
glass ceramics; SiO2; composites; dielectric properties; substrate;
D O I
10.1016/j.jeurceramsoc.2008.05.010
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Glass/ceramic composite materials based on CaF2-AlF3-SiO2 oxyfluoride glass and silica ceramic filler were prepared. The sintering behavior, phase composition and dielectric property of oxyfluoride glass/silica ceramic composites, as well as its compatibility with Ag electrode, were investigated. The results show that the glass/ceramic composite system can be sintered at 825 degrees C. When the amount of SiO2 increased from 0 to 20 wt.%, the shrinkage decreased from 17.0 to 14.5%, and the dielectric constant decreased from 5.9 to 5.4, while the thermal expansion coefficient (20-200 degrees C) increased from 6.0 to 10. 1 ppm/degrees C. The sintered samples had low dielectric losses less than 0.002 and high flexural strengths. This novel Glass/ceramic composite system exhibits Good sintering compatibility with silver paste, which makes it a promising candidate for low temperature co-fired ceramic application. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2877 / 2881
页数:5
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