Integrating a Mica Heater Into Compact OEM Assemblies
https://precision-surface-heat.oakmontscope.com/posts/glass-heater-applications-in-optical-and-display-equipment
In heated plates, a mica heater must deliver heat in a controlled way. It uses a resistive heating circuit supported and insulated by mica. One useful trait is high-temperature capability. Still, mechanical stress can change the result