Multi-functional layer for stop etch in laser coating removal

An aircraft skin coating assembly for an aircraft. The coating assembly includes a primer layer deposited on the aircraft skin, an optical stop-etch layer deposited on the primer layer that is reflective at a predetermined wavelength, a coating stack-up deposited on the optical etch-stop layer that...

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Bibliographische Detailangaben
Hauptverfasser:	Limburg, Connor, Knight, Mark W, Tice, Jesse, Shindo, Patrick W
Format:	Patent
Sprache:	eng
Schlagworte:	AEROPLANES AIRCRAFT APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL AVIATION CLADDING OR PLATING BY SOLDERING OR WELDING COSMONAUTICS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING ORREPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLYADAPTED FOR USE IN CONNECTION WITH AIRCRAFT HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFTCOMPONENTS, NOT OTHERWISE PROVIDED FOR HELICOPTERS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SOLDERING OR UNSOLDERING SPRAYING OR ATOMISING IN GENERAL TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	An aircraft skin coating assembly for an aircraft. The coating assembly includes a primer layer deposited on the aircraft skin, an optical stop-etch layer deposited on the primer layer that is reflective at a predetermined wavelength, a coating stack-up deposited on the optical etch-stop layer that provides performance features for the aircraft, and a sealant layer deposited on the stack-up. When a laser coating removal process employing a laser beam is used to remove the coating stack-up for replacement, the stop-etch layer reflects the laser beam to prevent it from penetrating and possibly damaging the aircraft skin.