Patent ID: 8823175
Filing Date: 2014-09-02
Classification: H01L

Abstract:
1. A power semiconductor module, comprising: an electrically insulating substrate; copper metallization disposed on a first side of the substrate and patterned into a die attach region and a plurality of contact regions; a semiconductor die attached to the die attach region of the copper metallization and comprising an active device region and one or more copper die metallization layers disposed above the active device region, the active device region disposed closer to the copper metallization than the one or more copper die metallization layers, the copper die metallization layer spaced furthest from the active device region having a contact area extending over a majority of a side of the die facing away from the substrate; and a copper interconnect metallization connected to the contact area of the die via an aluminum-free area joint and to a first one of the contact regions of the copper metallization.