Patent ID: 7417308

Claim:
A stack type package module comprising: a lower tape carrier package provided on a first surface of a printed circuit board, the lower tape carrier package comprising a lower lead having a first lower lateral end and a second lower lateral end, a lower base film exposing the first and second lower lateral ends, and a lower chip having a first bump, wherein the second lower lateral end is connected to the first bump and an end of the the lower base film is disposed on the lower chip; wherein the first lower lateral end is soldered to the printed circuit board; an upper tape carrier package stacked on the lower tape carrier package, the upper tape carrier package comprising an upper lead having a first upper lateral end and a second upper lateral end, an upper base film exposing the first and second upper lateral ends, and an upper chip having a second bump, wherein the second upper lateral end is connected to the second bump and an end of the upper base film is disposed on the upper chip; wherein the first upper lateral end is soldered to the first lower lateral end of the lower lead, and wherein the structure of the upper tape carrier package is identical to the structure of the lower tape carrier package; and a non-conductive lead sealant for sealing the first lower lateral end soldered on the printed circuit board and the first upper lateral end soldered on the first lower lateral end.