How Mounting Pressure Can Affect Kapton Heater Heat Transfer
https://precision-thermal-lab.unionquill.com/posts/how-to-select-a-pi-heater-for-compact-electronic-equipment
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