How Cutouts, Edges, and Openings Affect a Glass Heater Layout

https://mica-heater-journal.cloudhinter.com/posts/what-determines-the-heating-performance-of-an-ito-glass-heater

In camera windows, a glass heater must deliver heat in a controlled way. It uses a glass panel combined with a conductive heating layer or heater element. One useful trait is anti-fog capability. Still, thermal stress can change the result