Patent ID: 11956908

Abstract:
Reliability is to be improved. A control board 2 on which an electronic component 1 is mounted and an enclosure 3 in which the control board 2 is sealed with sealing resin 5 are included, wherein the enclosure 3 has a shape in which a volume of resin on one surface side of the control board 2 is larger than a volume of resin on the other surface side, a gate mark 21a is formed in the enclosure 3, a length of the gate mark 21a in a thickness direction of the control board 2 is larger than a thickness of the control board 2, the control board 2 is located such that a side surface partially overlaps a projection region of the gate mark 21a, and the control board 2 is arranged toward the other surface side relative to a center of the gate mark 21a.