Heater element and method of manufacture thereof

A heater element 6 is deposited on a dielectric layer 51 using a laser blown powder process (laser cladding) machine 72. A laminate is formed from a stack comprising that treated dielectric layer and another dielectric layer. The dielectric layers are preferably high temperature resistant thermoplas...

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Bibliographische Detailangaben
1. Verfasser:	Nolan Richmond
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A heater element 6 is deposited on a dielectric layer 51 using a laser blown powder process (laser cladding) machine 72. A laminate is formed from a stack comprising that treated dielectric layer and another dielectric layer. The dielectric layers are preferably high temperature resistant thermoplastics, especially polyether ether ketone (PEEK), polyether ketone ketone (PEKK), polyphenylene sulphide (PPS), polyether imide (PEI) or polyether sulphone (PES). Preferably, one metal (copper and aluminium alloy) powder 731 is used for a heating track (61, figure 3) and another metal (copper) powder 732 is used for busbars (621, 622, figure 3) with a gradual transition between them. The preferred deposition path is non-planar and deposition thicknesses may vary. The mat and laser apparatus are also claimed. The heat mat is used on aeroplanes for anti-icing and de-icing.