From Prototype to Production: Scaling a Custom PI Heater Project

https://thermal-innovation-hub.almoheet-travel.com/polyimide-heater-applications-in-electronics-and-semiconductor-equipment

In sensors, a pi heater must deliver heat in a controlled way. It uses a thin resistive foil circuit laminated in polyimide film. One useful trait is fast response. Still, local hot spots can change the result