How Mounting Pressure Can Affect Glass Heater Heat Transfer
https://glass-heating-technology.image-perth.org/how-an-ito-glass-heater-combines-transparency-with-surface-heating
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