A semiconductor device comprising a plurality of semiconductor chips and a plurality of through-line groups is disclosed. Each of the through-line groups consists of a unique number of through-lines. The numbers associated with the through-line groups are mutually coprime to each other. When one of the...http://www.google.co.uk/patents/US7952201?utm_source=gb-gplus-sharePatent US7952201 - Semiconductor device including stacked semiconductor chips
