Maintenance Planning for Equipment Built Around a Polyimide Heater
https://silicone-heating-insights.dovetailscope.com/posts/where-mica-heaters-are-used-in-industrial-equipment
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