Testing Temperature Uniformity Across a Kapton Heater Surface

https://heater-design-center.pinehavenscope.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