Reliability Checks to Consider Before Approving a Glass Heater Design

https://advanced-heat-elements.juniperbrief.com/posts/how-to-choose-a-mica-heating-plate-for-high-temperature-applications

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