| 摘要 |
PROBLEM TO BE SOLVED: To prevent contact interference with the case of electronic parts mounted on a printed board, when storing the printed board in a case. SOLUTION: The opening 11 of a case 10, which comes close to an electronic part 21 when a printed board 31 inclines in the direction of board thickenss to be inserted through the opposed slit grooves 13a and 13b at the inwall face 12 of a bag structure of case 10 in an ECU(electronic control unit) 100, is cut aslant. Therefore, when the tip of the printed board 31 is inserted through the slit grooves 13a and 13b to the side of the opening 11 of the case 10, the contact interference between the electronic parts 32 mounted on the printed board 21 and the opening 11 or the inwall face 12 of the case 10 is prevented. As a result, the fitting into the case 10 of the printed board 31 where a plurality of electronic parts are mounted can be made quickly without spoiling the reliability.
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