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

https://thermal-engineering-guide.oakmontscope.com/posts/how-watt-density-affects-silicone-heater-performance

In precision electronics, a polyimide heater must deliver heat in a controlled way. It uses a patterned resistive foil circuit insulated by polyimide film. One useful trait is custom shapes. Still, excess watt density can change the result