Abstract : microcircuit speciments respectively made of 4 kinds of molded plastic and 2 kinds of coating material for chip have been stored at xisha natural exposure station for 22 months 摘要:对4种模塑封装材料、两种芯片涂层材料封装的微电路样品在西沙天然暴露站进行了22个月的贮存试验,并设计制作了一种简便有效的测试系统。