A Practical OEM Checklist for Specifying a Kapton Heater
https://thin-heater-technology.focalledger.com/posts/understanding-temperature-control-for-a-kapton-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