Sensor Placement Strategies for Better Glass Heater Temperature Feedback
https://advanced-heating-guide.valiantfield.com/posts/how-flexible-heating-technology-is-used-as-a-semiconductor-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