| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure for installing to a radiator plate a bus bar that is high in the degree of heat conductivity to the radiator plate from the bus bar, and can keep high cooling efficiency without causing the lowering of the degree of the heat conductivity. SOLUTION: The structure for installing the bus bar to the radiator plate comprises the metal radiator plate 1, an electronic circuit component 10 having the bus bar 2 serving as a heating element, an insulating member 3 that insulates the bus bar 2 from the radiator plate 1, and a screw 4. In the structure, the radiator plate 1 has a protrusion 12 extending upward from its upper face 11; a screw hole 14 is formed toward the lower part from the upper end face 13 of the protrusion 12; the bus bar 2 is a plate-shaped conductor piece having a hole 21 to which the protrusion 12 is inserted; the lower face 22 of the bus bar 2 is made to abut against the upper face 11 of the radiator plate 1 via the insulating member 3, by making the protrusion 12 penetrate the hole 21 of the bus bar 2; and the bus bar 2 is fastened to the radiator plate 1, by screwing the screw 4 into the screw hole 14. COPYRIGHT: (C)2006,JPO&NCIPI
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