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Printed circuit board that provides a direct thermal path between components and a thermal layer and method for assembly
Printed circuit board that provides a direct thermal path between components and a thermal layer and method for assembly
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机译:提供元件和热层之间直接热通道的印刷电路板及其组装方法
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摘要
A method of assembling a component to a printed circuit board that includes a thermal layer and a circuit layer separated by a dielectric layer. The circuit layer includes circuit pads that correspond to terminal surfaces on the component. The dielectric layer includes an aperture that exposes a portion of the thermal layer that correspond to a thermal pad on the component. Solder paste is applied to the circuit pads and the exposed thermal layer. Lower surfaces of the solder paste are in contact with the circuit pads and the thermal layer and upper surfaces of the solder paste are substantially coplanar. The component is placed on the solder paste. The printed circuit board and the component are heated to create solder joints between the terminal surfaces on the component and the circuit pads and between the thermal pad on the component and the thermal layer.
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