How Ramp Rate and Thermal Cycling Affect a Glass Heater Application

https://advanced-heat-elements.northstarcolumn.com/posts/understanding-the-materials-and-construction-of-a-mica-heating-plate

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