A Practical OEM Checklist for Specifying an ITO Glass Heater
https://advanced-heat-elements.quantlynix.com/posts/mica-heating-plate-vs-conventional-metal-heating-plate-designs
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