某高导热绝缘胶在星载端机可靠性应用评价  

Evaluation of the reliability application of a high thermal conductivity insulating adhesive in the satellite-borne terminal machine

作　　者：张晟[1] 张晨晖[1] 许培伦 金星 刘志丹 Zhang Sheng;Zhang Chenhui;Xu Peilun;Jin Xing;Liu Zhidan(China Electronics Technology Group Corporation No.20th Research Institute,Xi'an 710068,Shaanxi,China)

机构地区：[1]中国电子科技集团公司第二十研究所,陕西西安710068

出　　处：《中国胶粘剂》2024年第9期56-61,68,共7页China Adhesives

基　　金：山东省重大科技创新工程项目(2019JZZY020232)。

摘　　要：针对星载端机对高导热绝缘底填胶可靠性应用需求,开展双组分高导热绝缘胶可靠性及环境适应性综合影响评估。通过导热绝缘胶性能测试标准样件,测试验证本征性能指标及工艺性指标,并分析评估其合格性;设计制作典型BGA菊花链网络结构样件,采用导热胶填充工艺技术,验证导热绝缘胶空洞率对BGA器件焊点的影响,评价其工艺适应性;设计制作星载端机载荷,开展星载产品验收级环境与可靠性试验,验证端机载荷具有经受工作应力和环境应力的能力。该高导热绝缘胶满足星载产品散热及抗高载荷的需求,实现可靠性应用。In response to the reliability application requirements of high thermal conductivity insulating underfill adhesive for satellite-borne terminal machine,a comprehensive impact assessment on the reliability and environmental adaptability of two-component high thermal conductivity insulating adhesive was conducted.The intrinsic performance indicators and processability indicators were tested and verified through standard samples of thermal conductivity insulating adhesive performance testing,and their qualifications were analyzed and evaluated as well.Typical BGA daisy-chain network structure samples were designed and produced,and by using thermal conductive adhesive filling technology,the effect of void ratio of thermal conductivity insulating adhesive on BGA device solder joints was verified and its process adaptability was also evaluated.Satellite-borne terminal loading was designed and manufactured,and acceptance-level environmental and reliability tests on satellite-borne products were conducted,in order to verify that the terminal loading had the ability to withstand working and environmental stresses.This high thermal conductivity insulating adhesive met the requirements of heat dissipation and high load resistance for satellite-borne products,achieving reliable applications.

关 键 词：高导热绝缘胶 菊花链 焊点 空洞率 环境试验 可靠性 

分 类 号：TQ430[化学工程]