Testing Temperature Uniformity Across a Polyimide Heater Surface

https://wafer-heating-guide.scriblorax.com/posts/mica-heating-plate-basics-a-guide-for-industrial-equipment-designers

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