Heating elements for aircraft heated floor panels

摘要

A method of forming a heating element includes depositing a conductive ink of silver particles in an epoxy resin on a dielectric film to create a conductive circuit, and heat curing the conductive circuit to achieve a resistivity of the heating element less than 1.68×10−6 ohm·meter. An aircraft heated floor panel includes at least one floor panel of an aircraft includes a conductive circuit positioned within the floor panel having a conductive ink of silver particles in an epoxy resin on a dielectric film.

主权项

1. A method of forming a heating element, the method comprising:
depositing a conductive ink of silver particles in an epoxy resin on a dielectric film to create a conductive circuit; and heat curing the conductive circuit to achieve a resistivity of the heating element less than 1.68×10−6 ohm·meter, wherein a 0.001 inch (50.8 microns) to 0.004 inch (101.6 microns) thick post-cure layer of the conductive ink is configured to achieve the resistivity of the heating element and be bent around a ¼ inch (0.635 cm) diameter cylinder rod without experiencing electric resistance degradation, wherein the silver loading is between 65%-95% weight/weight of dry ink.