中国半导体行业协会封装分会会刊

中国电子学会电子制造与封装技术分会会刊

导航

电子与封装 ›› 2016, Vol. 16 ›› Issue (8): 1 -4. doi: 10.16257/j.cnki.1681-1070.2016.0088

• 封装、组装与测试 •    下一篇

电子封装用硅铝合金激光气密焊接研究

徐 骁,刘 艳,陈洁民,程 凯   

  1. 南京电子器件研究所,南京 210016
  • 收稿日期:2016-04-18 出版日期:2016-08-20 发布日期:2016-08-20
  • 作者简介:徐 骁(1990—),男,江苏盐城人,在职研究生,助理工程师,主要从事电子封装技术研究。

Research of Packaging-used Silumin Alloys in Hermetic Laser Welding

XU Xiao,LIU Yan,CHEN Jiemin,CHENG Kai   

  1. Nanjing Electronic Devices Institute,Nanjing 210016,China
  • Received:2016-04-18 Online:2016-08-20 Published:2016-08-20

摘要: 对电子封装用硅铝合金焊接材料的裂纹产生机理进行简要的分析。针对其焊接后极易开裂的现象,通过对硅铝合金的激光焊接工艺参数和焊接结构进行优化,获得漏率R1小于5×10-9Pa·m3/s (He)的封装器件。气密性成品率高于95%,且通过按GJB548B-2005方法1010.1条件B的100次温循等可靠性试验。

关键词: 硅铝合金, 气密封装, 激光焊接

Abstract: By analyzing the crack formation mechanism of laser welding aluminum-silicon alloy in electric packaging field,the paper optimizes the welding parameters and structureand obtains packages with the yield of hermetic higher than 95%and the leakage rate less than 5×l0-9Pa·m3/s.The packages obtained also pass the high-reliable tests including 100 times temperature cycle in the condition B of method 1010.1 according to GJB548B-2005.

Key words: silumin alloys, hermetic package, laser welding

中图分类号: