Patent ID: 8835222
Filing Date: 2014-09-16
Classification: B81B,B81C,H01L

Abstract:
1. A method for producing a two-chip assembly, comprising: providing a wafer having a first thickness, a front side, and a back side, a first plurality of first chips being provided as part of the wafer; mounting a second plurality of second chips on the front side of the wafer so that every first chip is joined in each instance to a corresponding second chip and forms a corresponding two-chip pair; forming a cohesive one-sided mold package on the front side of the wafer so that the second chips are packaged; thinning the wafer from the back side to a second thickness which is less than the first thickness; forming multiple vias and electrical connections from the back side to the second chips; and separating the two-chip pairs into corresponding two-chip assemblies.