How Ramp Rate and Thermal Cycling Affect a PI Heater Application

https://flexible-heat-systems.wordcanopy.com/posts/how-a-kapton-heater-supports-fast-and-controlled-thermal-response

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