CAJ | 학술논문

目的：寻找基于常规试验设备温度循环应力筛选技术的改进方法。方法应用常规温度循环试验箱，结合对军用电子产品进行环境应力筛选( ESS)的实际情况，测量产品在温度循环应力筛选时，产品内部升降温的实际速率，通过对这些测量结果比较分析，找出这一方法存在的问题，特别是缺陷暴露程度与应力筛选的相关性差，通过对温度循环筛选参数的合理选择进行分析，找出解决这一问题的思路。结果理论筛选度较高(如0.89)的试验，实际测算额得出的筛选度很低(如0.54)。结论应用温度循环应力筛选的方法，确立合理的应力参数，就可取得理想的试验效果，节省一半的试验时间。
목적：심조기우상규시험설비온도순배응력사선기술적개진방법。방법응용상규온도순배시험상，결합대군용전자산품진행배경응력사선( ESS)적실제정황，측양산품재온도순배응력사선시，산품내부승강온적실제속솔，통과대저사측량결과비교분석，조출저일방법존재적문제，특별시결함폭로정도여응력사선적상관성차，통과대온도순배사선삼수적합리선택진행분석，조출해결저일문제적사로。결과이론사선도교고(여0.89)적시험，실제측산액득출적사선도흔저(여0.54)。결론응용온도순배응력사선적방법，학립합리적응력삼수，취가취득이상적시험효과，절성일반적시험시간。
Objective To search for improvement methods based on the routine test equipment temperature cycle stress screening technology. Methods Ordinary thermal cycle test equipment was used, in combination with the actual screening circumstance of the army electronics product, to measure the actual temperature change rate inside the product during tem-perature cycle stress screening. These measurement results were then analyzed to find out the problems with this method, especially the poor correlation between the fault exposure and the stress screening. To solve this problem, the reasonable selection of temperature cycle screening parameters was analyzed. Results Tests with high theoretical screening strength (e. g. , 0. 89) turned out to have low measured values of screening strength (e. g. , 0. 54). Conclusion The application of temperature cycle stress screening method and establishment of reasonable stress parameters could lead to ideal test results and save half of the test time.