Maintenance Planning for Equipment Built Around a Glass Heater

https://precision-thermal-lab.rivertonbrief.com/posts/what-to-look-for-when-sourcing-a-polyimide-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