Patent ID: 8797742
Filing Date: 2014-08-05
Classification: H05K

Abstract:
1. An electronic controller for a vehicle, comprising: a circuit board on which an electronic component is mounted; and a housing made of metal which accommodates the circuit board therein, the housing including at least one of an inner face and an outer face having an applied or electro-deposited alumite surface treatment thereon, facilitating heat absorption and dissipation, and the inner face including a protruding portion extending to a heat-generating portion of the circuit board so as to be close to the heat-generating portion; wherein: the housing includes: a main body including a recessed portion to accommodate the circuit board; and a lid to close an opening of the main body; the heat-generating portion is a heat-generating element mounted on the circuit board; and the protruding portion is integral with an extending portion extending toward the heat-generating element so as to cover at least a part of a side wall of the heat-generating element.