METHODS AND APPARATUS FOR LASER CLEANING OF SUBSTRATES

Disclosed are methods and apparatus for cleaning a substrate involving the application of optical energy to the substrate, typically in the form of a beam of light, where the energy of the beam causes removal of the contaminant from substrate. The cleaning may occur via any mechanism, including one...

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Bibliographische Detailangaben
1. Verfasser:	CLOWES, John Redvers
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLEACHING LEATHER OR FURS CLADDING OR PLATING BY SOLDERING OR WELDING CLEANING CLEANING IN GENERAL CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS,YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILEARTICLES MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL SOLDERING OR UNSOLDERING TEXTILES TRANSPORTING TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	Disclosed are methods and apparatus for cleaning a substrate involving the application of optical energy to the substrate, typically in the form of a beam of light, where the energy of the beam causes removal of the contaminant from substrate. The cleaning may occur via any mechanism, including one or more of, alone or in any combination, ablation, melting, heating or reaction with the substrate or contaminant or agent introduced to aid in the cleaning. The optical energy is typically applied to a selected area of the substrate (e.g., as a beam), and the substrate and beam or optical energy source moved relative to one another so as to clean a larger area of the substrate, either by moving the substrate or the beam, or both. Movement of the beam with respect to the substrate can be attained through a beam scanning mechanism or through movement of the optical source itself.