Planning a Kapton Heater Project From Requirements to Final Testing
https://advanced-heating-guide.valiantfield.com/posts/how-flexible-heating-technology-is-used-as-a-semiconductor-heater
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