From Prototype to Production: Scaling a Custom Mica Heater Project

https://heater-technology-guide.northstarcolumn.com/posts/kapton-heater-basics-what-engineers-should-know-before-selection

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