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A novel 3-D IGBT thermal model is implemented. The temperature distribution in different conditions was analyzed by using finite element thermal analysis software ANSYS. Simulation results under the… (More)
We have studied pyroelectric and ferroelectric properties of Pb(Zr,Ti)O3 thin films grown epitaxially on SrTiO3(001) substrates by rf magnetron sputtering. The pyroelectric coefficient was measured… (More)
IGBTs have the advantages of BJTs and MOSFETs, they are widely used in household appliances and industrial production. But thermal problem has affected the development of IGBT, so its accurate… (More)
Both traditional life testing method and constant Electrical stress and Temperature Ramp stress Method (CETRM) are described. The two methods are compared taking the GaAs microwave power field effect… (More)
The InP cap la� 'er plays a significant role tOI\ards improving the performance of the InPlInGaAs p i-n phot odiode. However, the measurements and simulation canEnn that it also induces wavelength… (More)