How Cutouts, Edges, and Openings Affect a Kapton Heater Layout
https://thermal-innovation-hub.lucialpiazzale.com/how-etched-foil-construction-works-in-a-mica-heater
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