Patent ID: 7768113
Filing Date: 2010-08-03
Classification: H01L

Abstract:
1. A tier structure comprising: a tier frame including a first tier side, a second tier side, and an integrated circuit die that comprises an I/O pad and a feedthrough structure, wherein the feedthrough structure includes a conductive structure configured to route electrical signals between the first tier side and the second tier side, and wherein the I/O pad is electrically connected to the conductive structure by a conductive trace; an exposed electrically conductive pad disposed on the first tier side or the second tier side, wherein the exposed electrically conductive pad is electrically connected to the conductive structure; and a conductive metallized polymer column disposed on the exposed electrically conductive pad, wherein the conductive metallized polymer column includes a photoresist, and wherein the exposed electrically conductive pad is configured for electrical connection to another tier frame.