Sensor Placement Strategies for Better Kapton Heater Temperature Feedback
https://mica-heater-journal.evercolumn.com/posts/how-to-control-the-temperature-of-a-mica-heating-plate
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