以下为句子列表：
英文: A convenient and effective testing system for plastic eacapsulated microcircuit is designed .The testing results show that Si3N4 passivation on test chip has the better protection than that without Si3N4 passivation, and silicone gel coating can prevent m
中文: 贮存试验的结果表明，在芯片上加氮化硅钝化层比不加钝化层具有更好的防护效果；与聚酰亚胺胶内涂层相比，硅酮胶内涂层更能有效地阻止水分到达芯片的表面；由于材料本身的差异，不同厂家生产的模塑封装材料对微电路的影响也不同。
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英文: 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.
中文: 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。
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