PI Heater Prototyping: What to Review Before Finalizing the Design

https://telegra.ph/How-a-Kapton-Heater-Supports-Fast-and-Controlled-Thermal-Response-09-22

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