欧姆接触镍电极的研究  

The Study of Ni Electrode Paste Sintered in the Atmosphere

作　　者：陈勇[1] 郭琳[1] 周桃生 章天金[1] 曹万强[1] 夏义本[2] 

机构地区：[1]湖北大学物理学与电子技术学院,湖北武汉430062 [2]上海大学电子信息材料系,上海201800

出　　处：《压电与声光》2005年第1期85-88,共4页Piezoelectrics & Acoustooptics

摘　　要：对镍电极浆料进行了实验研究。材料配方的选择和工艺的优化是实验的关键。实验中用玻璃粉和硼粉作为镍电极浆料的粘合剂和抗氧化剂,其中镍粉的质量分数不得低于65%,研制出的镍浆料可在大气中于810°C烧结在PTC等半导瓷上构成电极。通过扫描电镜(SEM)可以发现镍电极能牢固地附着在陶瓷体上并具有良好的欧姆接触性能。The Ni pasete is studied in this article. The key points are the constitution choice and the optimization of the preparation technology of the paste The electrode has good behavior when the paste is added glass and Boron compound to be adhesive and antioxidant in the experiment. The percent of Nickel powder must be higher than 65 %. The paste is sintered at 810 °C at atmosphere. Seeing through SEM ,the base metal of Nickel paste can be accreted hard on the ceramics, and good ohm attachment is formed.

关 键 词：镍电极 欧姆接触 半导瓷 PTC 

分 类 号：TN304[电子电信—物理电子学]