1. 2D_HBT_Build a structure (material region setting) 2. 2D_HBT_Set up the material parameters 3. 2D_HBT_Mesh setting 4. 2D_HBT_Additional functions 5. 2D_HBT_Bias and Schottky barrier setting 6. 2D_HBT_Run the simulation 7. 2D_HBT_View the results