Glass Heater Prototyping: What to Review Before Finalizing the Design

https://industrial-heat-guide.solsticebrief.com/posts/common-glass-heater-applications-in-industrial-equipment

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