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	Size effect of BaTi03 on the properties of epoxy/BaTi03 composite film
	Suibin Luo; Shuhui Yu; Rong Sun; Xianwen Liang; Maobai Lai
	2012
会议名称	2012 International Conference on Electronic Packaging Technology & High Density Packaging
会议地点	中国
英文摘要	With the driving of increasing needs for higher functionality and higher performance of electronic devices, electronic packaging technology is developing toward electrically functionalizing the inner space of printed-wiring-boards (PWBs). Among various embedded passive components, embedded capacitors have been actively investigated, because capacitors occupy about 40% amount of surface area on a substrate. Ceramic-Polymer composite is one of the candidate materials for embedded capacitor because it combines the high permittivity of the ceramic and the good processing of the polymer. The dielectric constant of the commercial embedded capacitor materials is lower than 25. In this study, we increased the packing density of the films by mixing BaTiO3 with different size (50 nm and 200 nm) to enhance the dielectric constant of BaTiO3-epoxy composites。The thickness of the films was 17 μm. The dielectric constant was increased with the increasing of packing density. When the loading of BaTiO3 was 80 wt%, the dielectric constant of BaTiO3-epoxy composites with 50 nm and 200 nm BaTiO3 was 19.5 and 21.5 at 1 kHz, respectively. And the two types of BaTiO3 were mixed with 71 wt% of 200 nm and 17 wt% of 50 nm BaTiO3, the dielectric constant of the film was increased to 27 at 1 kHz. At the same time, the dielectric loss was at a low value. The color of the coating films was changed from red to white when the content of 200 nm BaTiO3 was increased. It suggested that light-penetrating property was enhanced for the films filled with small size particles. The glass transition temperature and the 90 °peel strength were also enhanced by increasing the content of 200 nm BaTiO3. Therefore, when the 200 nm BaTiO3 at a high loading was suitably mixed with 50 nm BaTiO3, high performance embedded capacitor materials could be obtained.
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/3858]
专题	深圳先进技术研究院_集成所
作者单位	2012
推荐引用方式 GB/T 7714	Suibin Luo,Shuhui Yu,Rong Sun,et al. Size effect of BaTi03 on the properties of epoxy/BaTi03 composite film[C]. 见:2012 International Conference on Electronic Packaging Technology & High Density Packaging. 中国.

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