Reliability Checks to Consider Before Approving a Glass Heater Design

https://thermal-innovation-hub.lucialpiazzale.com/how-etched-foil-construction-works-in-a-mica-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