Development of Design Methodology for IC Chip Cooling Channel by Using Natural Branching System

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Cuntermeasures against heating up are one of the important issues for Integrated Circuit(IC) on the substrate and IC chips themselves, because the increased density and temperature of IC chips cause malfunctions of circuits. But the traditional countermeasures such as the cooling fan and the heat sink have a limitation in cooling performance. So we have focused on the cooling channel with superior cooling performance. Design methods of cooling pathway by utilizing the optimality of branching system and channel layout design have been suggested. And the cooling performances of the proposed design method have been evaluated by both methods of CAE simulation and an experiment, and by comparing the results of the conventional design method.