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| 有机膨润土对电子银浆性能的影响 |
| Effect of Organic Bentonite on Properties of Electronic Silver Paste |
| Received:August 30, 2017 |
| DOI： |
| 中文关键词: 有机膨润土 电子银浆 截面形貌 导电性能 |
| 英文关键词: organic bentonite electronic silver paste cross section morphology electrical properties |
| 基金项目:云南省科技计划项目(2016DC032)。 |
| Author Name | Affiliation | E-mail | | WANG Cheng | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals,Kunming Institute of Precious Metals, Kunming 650106, China | 865742770@qq.com | | LI Kaizhong | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals,Kunming Institute of Precious Metals, Kunming 650106, China | | | LI Wenlin | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals,Kunming Institute of Precious Metals, Kunming 650106, China | | | ZHAO Ruyun | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals,Kunming Institute of Precious Metals, Kunming 650106, China | | | LI Jigang | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals,Kunming Institute of Precious Metals, Kunming 650106, China | | | LI Junpeng | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals,Kunming Institute of Precious Metals, Kunming 650106, China | lijunpeng@ipm.com.cn |
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| 中文摘要: |
| 研究了有机膨润土对电子银浆的粘度及导电性能的影响。通过三维轮廓仪观察印刷烘干后的膜层形貌图案分析浆料的流平性能，利用扫描电镜研究分析膜层的表面形貌及截面形貌对银浆导电性能的影响。研究表明，随着有机膨润土含量的增加，浆料的粘度、触变性得到提升。当膨润土含量为2%时，粉末颗粒分散均匀且有着良好的印刷性能，电阻低至147 Ω，电阻率为6.83×10-5Ω.cm。当有机膨润土含量较大时，因卡房结构的出现造成粉末颗粒的包覆，阻碍定向电子的导通。 |
| 英文摘要: |
| The effects of organic bentonite on the viscosity and conductivity of the silver paste were studied. The shape and pattern of the printed were observed by a three-dimensional profilometer. The influence of the surface morphology and the cross section of the film on the conductivity of the silver paste was investigated by SEM. The results show that, with the increase of the content of organic bentonite, the viscosity and thixotropy of the slurry increase. When the content of bentonite is 2%, The powder particles are dispersed evenly and have good printing properties, the lowest resistance is 147 Ω, and the resistivity is 6.83×10-5Ω.cm. When the content of organic bentonite is larger, the coating of powder particles will hinder the conduction of directional electrons because of the presence of the housing structure. |
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