Metal base plate used for welding power module
A metal substrate and power module technology, applied in electrical components, electrical solid devices, circuits, etc., can solve the problems of power module life reduction, temperature rise, poor welding, etc., to improve service life and reliability, and uniform temperature distribution , The effect of saving manufacturing cost
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[0019] See Figure 1~3 As shown, the metal substrate used for welding power modules of the present invention includes a board body 1, and the board body 1 is provided with mounting holes 4, and the metal substrate is conveniently connected to the shell through fasteners, and the metal substrate is connected to the heat sink. , the heat is forced out through the radiator.
[0020] figure 1 , 2 , 4, the front of the plate body 1 of the metal substrate of the present invention is at least provided with four or more position-limiting protrusions 3 that limit the outer periphery of the solder layer 7, and the height of the position-limiting protrusions 3 on the plate body 1 is greater than that of the solder The height of the layer 7 not only facilitates the placement of the solder sheet, but also limits the solder before and after melting through the limiting protrusion 3 to ensure that the soldering position of the chip 2 remains unchanged. See figure 1 As shown, the limiting...
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