Managing Heat Loss Around a Glass Heater for More Stable Operation

https://thermal-control-guide.evergrovio.com/posts/mica-heater-temperature-control-and-sensor-integration-guide

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