The leakage failure mode and failure mechanism of the device due to silver migration caused by improper lead coating materials are discovered.
对漏电失效的塑封三极管,通过显微观察、去除异物前后的电性能对比分析、能谱成分分析等技术手段,揭示了因引线镀层材料采用不当引起银迁移致使器件漏电失效的失效模式及失效机理,并提出了相应的建议措施。
Some problems in automatic production of small Al electrolytic capacitors,such as unstablestatic capacitance,increased tgδand dc current leakage,etc,were analyzed,and some satisfactary resolutions,such as reducing anode foil specific capaCity and wire width are presented.
针对小型铝电解电容器在自动化生产中存在的静电容量时有时无，损耗角正切值和直流漏电流增大等问题，进行了具体分析，提出了降低阳极箔比容，减小引线宽度等改进措施，收到了较为满意的效果。