Understanding Voltage, Resistance, and Power in a Kapton Heater Circuit

https://industrial-heat-source.northvaledigest.com/posts/common-wafer-heater-design-challenges-in-semiconductor-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