| 摘要 |
PROBLEM TO BE SOLVED: To enable the reproduction of electronic components to be replaced even when the replacement thereof happens while the mainframe of the controller mounted in a protective case is subjected to the moistureproof treatment with a potting material by enabling the safe replacement thereof in a shorter time without damaging the patterns of the printed circuit boards in a controller of the equipment in which the mainframe thereof for controlling the operation is subjected to the moistureproof treatment with the potting material. SOLUTION: The mainframe 6 of the controller for controlling the operation is mounted in a shallow and flat protective case 13 and the protective case 13 is filled with the potting material 8 comprising a urethane resin or the like for the moistureproof treatment of the mainframe 6 of the controller. The protective case 13 is provided with a V-shaped groove part 14 formed in the bottom surface thereof in a loop by the curved or straight line. COPYRIGHT: (C)2005,JPO&NCIPI
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