| 摘要 |
PURPOSE: A coupling structure of a printed circuit board and a housing is provided to prevent an electric short by blocking a direct contact of a printed circuit board and a housing by securing a space between a printed circuit board and a housing with a groove formed on a boundary around the screwing part of a housing. CONSTITUTION: A TIM(Thermal Interface Material)(20) is coated on at least one coupling surface of a printed circuit board and a housing(50). The housing includes a screw tightening hole formed on the coupling surface of the printed circuit board. The housing includes a groove formed on the boundary of the screw tightening hole. The housing includes a protrusion between the screw tightening hole and the groove. The screw tightening hole is formed on the protrusion.
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