Flexible integrated circuit package

Details Flexible integrated circuit package Flexible integrated circuit package

H - Electricity

01

L

H01L 23/32 (2006.01) H01L 23/02 (2006.01) H01L 23/12 (2006.01) H01L 23/31 (2006.01) H01L 23/498 (2006.01) H05K 3/30 (2006.01) H05K 3/34 (2006.01)

Patent

CA 2252407

A flexible integrated circuit package for mounting on a substrate is disclosed. The package consists of a tape film having layers of dielectric and conductive material, a semiconductor die and an array of conductive leads. A molded body covers the die, and absorbs the majority of the pressure applied when compressing the package between a heatsink and a printed-circuit board (PCB). Rigid removable support material surrounds the molded body to keep the package flat while it is being mounted to the PCB. The support material is removed after soldering of the package to the PCB. The invention permits the package to be tightly compressed between a heatsink and a substrate without causing degradation of the conductive connections. Reliability of the connections is further increased since the tape film is flexible enough to accommodate bending of the substrate to which the package is connected.

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