Define a lossy frequency-independent dielectric with a relative permittivity () = 5.6 and a dielectric loss tangent () = 0.0041 to be used as the patch substrate.
Open the Create Dielectric Medium dialog using one
of the following workflows:
On the Construct tab, in the Define group, click the Media icon.
From the drop-down list, click the Dielectric icon.
On the model tree, a right-click context menu is
available on Media. From the list, click
Dielectric.
Two variables (ceramic_epsR and
ceramic_tanD) were added to the model to define the
dielectric.
Set the Relative permittivity () to ceramic_epsR.
Set the Dielectric loss tangent () to ceramic_tanD.
Figure 1. The Create Dielectric Medium dialog.
Set the Label to Ceramic.
Click Create to create the dielectric and to close
the dialog.
Note: In the model tree, the defined dielectric is displayed under
Dielectric. CADFEKO assigns
a colour to each medium randomly but the colour may be changed by using the
Change Display Colourright-click context menu option.
1 An edge created at 45° between two adjoining right-angled edges.
Media icon.
From the drop-down list, click the 
Dielectric icon.
