Designing Heating Zones in a Kapton Heater for Better Thermal Balance

https://precision-heating-elements.summitviewdaily.com/posts/semiconductor-heater-solutions-for-etching-and-process-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