Development of Small, High Performance Electronics Control Units with Metal Based Printed Circuit Board 961023

1. ABSTRACTIn this report we focus on development of smaller and lighter ECUs for Automatic Trans-Missions (ATM).Specifically, we describe the development of ECUs that utilize: detailed printed wire patterns, bare chip semiconductors with wire bonding technology, and many small Surface Mounting Devices (SMDs), on a metal based board with high heat dissipation.In comparison with our current products, we have achieved: (1) a 58% reduction in size, (2) a 63% reduction in weight, and an extended thermal range of operation.These new ECUs are suited for the severe environment of the engine compartment.


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