Nonlinear discrete elements in electro-thermal model of thick-film structure

The complexity of heat exchange mechanisms and difficulties in accurate determination of their coefficients make the thermal analysis a complicated problem at the beginning of the design process. In reality, only numerical calculations and specialized simulation programs can solve the systems of differential equations with very complicated boundary and initial conditions. The paper presents some aspects of describing of thermal model of the thick-film microcircuits with equivalent models (based on RC elements) which are used in temperature field simulation using PSPICE program