| 摘要 |
PROBLEM TO BE SOLVED: To provide an electronic controller capable of simplifying the manufacture thereof, and to provide an attachment method thereof and a method of manufacturing the same.SOLUTION: In an electronic controller including a heat sink 3, an electronic component 5 is mounted on the lower surface 2a of a circuit board 2 facing the bottom wall 6 of a bottomed case 1, the heat absorption plate 3a of the heat sink 3 is in contact with the upper surface 2b of the circuit board 2, a heat dissipation fin 3b is projecting upward from the heat absorption plate 3a, the circuit board 2 and electronic component 5 are embedded in a potting material 8 filling the bottomed case 1, along with the heat absorption plate 3a of the heat sink 3 and the base 3c of the heat dissipation fin 3b, the tip 3d of the heat dissipation fin 3b is projected from the upper surface of the potting material 8, and exposed from the case inlet 4 toward the outside of the bottomed case 1.SELECTED DRAWING: Figure 1 |
