Planning a Kapton Heater Project From Requirements to Final Testing
https://silicone-heating-insights.dovetailscope.com/posts/where-mica-heaters-are-used-in-industrial-equipment
In precision instruments, a kapton heater must deliver heat in a controlled way. It uses a resistive foil circuit laminated within polyimide film. One useful trait is custom circuit patterns. Still, hot spots can change the result