浅析表面贴装元器件的潮湿敏感度  

Discussion on Moisture Sensitivity of Surface Mounted Device

作　　者：李佳力 Li Jia-li(Jiangsu Electronic Information Product Quality Supervision&Inspection Institute(Jiangsu Information Security Evaluation Center),Jiangsu Wuxi 214073)

机构地区：[1]江苏省电子信息产品质量监督检验研究院(江苏省信息安全测评中心),江苏无锡214073

出　　处：《电子质量》2021年第2期8-11,共4页Electronics Quality

摘　　要：表面贴装技术的大规模应用,使得研究其组装质量具有极其重要的意义。表面贴装元器件的封装特点,使其更易受到湿气的影响,在组装时导致失效。该文浅析了表面贴装元器件由于潮湿引起的失效现象和原因,并介绍了潮湿敏感元器件的防护措施。The large-scale applicati on of surface mount tech no logy makes it extremely importa nt to study its assembly quality.The packaging characteristics of surface mount device make it more susceptible to moisture and cause failure during assembly.This article discusses the failure phenomena and causes of surface mount devices due to moisture,and introduces the protective methods for moisture sensitive devices.

关 键 词：表面贴装元器件 潮湿敏感度等级 潮湿防护措施 

分 类 号：TN405[电子电信—微电子学与固体电子学]