Reliability Checks to Consider Before Approving a Glass Heater Design

https://electric-heat-insights.northcrestbrief.com/posts/custom-mica-heating-plate-options-for-special-shapes-and-sizes

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