A planar heating element includes an insulating resin film and a heating portion that includes a conductive circuit on the insulating resin film. The insulating resin film includes missing portions penetrating the insulating resin film, surrounding a point on the insulating resin film, and including one or both of openings and recesses. The openings are disposed within the conductive circuit and outside of a circular region of a radius centered at the point. The recesses are recessed toward an inside of the insulating resin film and located on an outer edge of the insulating resin film.
PLANAR HEATING ELEMENT
2024-05-09
Patent
Electronic Resource
English
PLANAR HEATING ELEMENT AND METHOD OF MANUFACTURING PLANAR HEATING ELEMENT
European Patent Office | 2017
|PLANAR HEATING ELEMENT AND METHOD OF MANUFACTURING PLANAR HEATING ELEMENT
European Patent Office | 2017
|PLANAR HEATING ELEMENT AND MANUFACTURING METHOD OF THE PLANAR HEATING ELEMENT
European Patent Office | 2017
|