Patent ID: 8993940
Filing Date: 2015-03-31
Classification: B64D,H05B,Y10T

Abstract:
1. A laminated heater mat comprising dielectric layers which sandwich a dielectric component with electrical connection, the dielectric component with electrical connection, comprising: at least one dielectric layer comprising thermoplastic material, wherein the dielectric layer or a stack of the dielectric layers has first and second main surfaces and a hole extending between the first and second main surfaces; a first sprayed metal coating comprising a first portion deposited on the first main surface adjacent to the hole and a second portion which projects into the hole; and a second sprayed metal coating comprising a third portion deposited on the second main surface adjacent to the hole and a fourth portion which projects into the hole; wherein the second portion overlaps the fourth portion to form a continuous conductive path between the first main surface and the second main surface; and wherein a heater element comprises a sprayed metal track deposited on the first main surface and at least part of the heater element is provided by the first portion of the first sprayed metal coating.