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|AUTHOR WITHDREW 9-13-11: Fabrication and Thermal Properties of Silicon Interposer BGA Package with Through Silicon Vias|
|Keywords: Si interposer, TSV, thermal test|
|AUTHOR WITHDREW 9-13-11: Silicon interposer with though silicon vias (TSV) is realized and assembled with thermal die array in a BGA package. Double-sided redistribution layers of electroplating copper are fabricated for connection between thermal die array and print circuits board (PCB). Vias filled with copper (~10000/cm2) are used as electrical connection and heat sink. Thermal resistance of this BGA package is measured and qualified according to SEMI. Results of thermal test (thermal resistance and distribution of temperature) are compared with BGA package with traditional BT substrate and simulation results. Resistance of via filled with copper is measured and calculated with the daisy chain and Kelvin structure.|
|Hao Zhang, Student