Patent ID: 8629554
Filing Date: 2014-01-14
Classification: H01L

Abstract:
1. A method of forming an assembly, said method comprising: providing a chip stack comprising a plurality of chips, the chips comprising integrated circuits formed thereon, the integrated circuits comprising plural active elements; forming a casing, comprising: etching a silicon layer formed on said integrated circuits of said chips to form fluid channels in said chips in said chip stack; forming a first plurality of through-wafer vias for interconnecting the chips in the chip stack; forming a second plurality of through-wafer vias for electrically connecting said active elements of said integrated circuits of said chips and said active elements of said integrated circuit of said upper portion of said casing, and for electrically connecting said active elements of said integrated circuits of said chips and said active elements of said integrated circuit of said lower portion of said casing; providing a system board; and providing an upper card and a lower card, wherein the upper card electrically connects said upper portion of said casing to the system board, and wherein the lower card electrically connects said lower portion of said casing to the system board.