关键词: 智能功率器件, 铝层, 绝缘层, 玻璃纤维, 填充料, 布线层设计

Abstract: In recent years, the inverter function of household appliances has become one of the main technical selling points in their market competition. As the core device of white household appliances, the intelligent power module, whose reduction of thermal resistance and enhancement of voltage-withstand as the two most important evaluation projects in Assy, has attracted more and more attention of designers. In this paper, the power module of aluminum substrate is introduced, and the reliability problems caused by the cracking of insulating layer in the actual production of aluminum substrate are solved from the aspects of the structure and process treatment of each dielectric layer.

Key words: intelligentpowerdevice, aluminumlayer, insulatinglayer, glassfiber, filler, wiringlayerdesign