摘要
采用还原性强的贱金属铝和锡与贵金属银按一定的配比组合，选乙基纤维素－松油醇体系有机载体，硼硅铅易熔玻璃体及微量氧化物组成混合电极。在４８０～７００℃温度范围，能与ＰＴＣＲ钛酸钡陶瓷形成良好的欧姆接触，最佳烧成温度为５２０～５５０℃，电极与瓷体附着良好，容易焊接，可实现ＰＴＣＲ陶瓷电极一次涂覆，克服了复合电极成本高，工艺复杂等缺点。
Prepare a composite electrode by composing Al, Sn and Ag according to a certain formula, with ethyl cellulose tepilenol of pine as organic vehicle and plus some lead borosilicate glass and a trace of oxide. Within 480 ℃～700 ℃, it forms a ohmic contact with PTCR BaTiO 3 ceramics. Within the optimized firing temperature range of 520 ℃～550 ℃, the electrode firmly adheres to the ceramic body and has a good solderability. It makes it possible to prepare the PTCR electrode by only one plating; therefore, save the high cost and the complicated technology for the typical composite electrode.
出处
《电子元件与材料》
CAS
CSCD
1997年第6期37-40,共4页
Electronic Components And Materials
