Patent ID: 8255862

Claim:
A computerized method being executed by a processor of a computing device, the method comprising: (a1) receiving attribute parameters of a printed circuit board (PCB) from an input device, the attribute parameters comprising a layer type of a copper foil of the PCB, a thickness of the copper foil, a layout width of the copper foil for a component positioned on the PCB, and an amount of current passing through the component; (a2) generating, using the processor, a temperature rise formula according to the received attribute parameters of the PCB, wherein the temperature rise formula is I=a*S α *(ΔT) β , I is the amount of current passing through the component, S is a product of the thickness of the copper foil and the layout width of the copper foil for the component positioned on the PCB, ΔT is the temperature rise of the local area surrounding the component, and a, α, and β correspond to and are determined by the thickness of the copper foil and the layer type of the copper foil, and a, α and β are values stored in a storage system; (a3) calculating, using the processor, a temperature rise of a local area of the PCB surrounding the component according to the generated temperature rise formula; and (a4) plotting a temperature rise distribution graph of the PCB on a display of the computing device when temperature rises of all components positioned on the PCB are calculated.