How Mounting Pressure Can Affect ITO Glass Heater Heat Transfer
https://smart-heater-journal.clearhavendigest.com/posts/how-to-select-the-right-kapton-heater-size-and-wattage
In camera windows, an ITO glass heater must deliver heat in a controlled way. It uses a transparent conductive ITO layer applied to glass. One useful trait is full-surface heating. Still, edge losses can change the result