ding nickel-chrome alloy or nickel-chrome-aluminum-yttrium alloy) between the insulating layer and the substrate, a heat reflective layer (e.g., a layer including zirconium oxide) between the resistive layer and the substrate, a ceramic layer (e.g., one including aluminum oxide) superficial to the resistive layer, and/or a metallic layer (e.g., one including molybdenum or tungsten) superficial to