To change the width of an arc, issue the Interactively command (in menu Edit / Size ). Note that the arc stretches about its center so that an edge is at the cursor location. Click a button to make the change. To change the size of more than one arc at a time, select the arcs and use the All Selected Arcs... command.

Another way to change an arc's width is to select it and use the Object Properties... command (in menu Edit / Properties).

The "Easy to Select" checkbox enables selection of the arc with a simple click (see Section 2-1-5).

Note that when typing size amounts into a dialog, specify the size of the highlighted area. A CMOS active arc shows highlighting only on its active area, even though the complete arc has implant regions that are much larger.