| 摘要 |
PROBLEM TO BE SOLVED: To surely load a printed board in a case of a simple constitution, without being affected by variations of board thickness, etc. SOLUTION: A plurality of projection parts 12a, 12b are formed alternately at a bottom part 11b of an inner wall surface of a case 11 keeping a space to both sides of a printed board 15. Therefore, even if the printed board 15 is a slightly large in thickness with respect to the prescribed dimensional interval of the projection parts 12a, 12b, it is bent along the protrusions 12a, 12b and fixed surely to a prescribed position. Thereby, a highly reliable electronic control unit can be constituted, without causing built-in defects when the printed board 15 is loaded in the case 11 and without causing damages, etc., in a wiring pattern of the printed board 15, a mounted electronic component, etc.
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