METHOD FOR MANUFACTURING CONDUCTIVE MATERIAL INSIDE POLYCARBONATE, POLYCARBONATE WINDOW MATERIAL AND DICING METHOD

PROBLEM TO BE SOLVED: To manufacture a conductive material inside a polycarbonate, provided that the conductive material shows a high reproducibility independent of the surrounding environment, by exposing an interior of the polycarbonate to an ultra-short pulse laser beam, thereby modifying only an...

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Bibliographische Detailangaben
Hauptverfasser:	OGOSHI MASAYUKI, INOUE SHIGEMI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING COMPOSITIONS BASED THEREON CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES GENERAL PROCESSES OF COMPOUNDING LADDERS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES SOLDERING OR UNSOLDERING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING VEHICLES IN GENERAL WELDING WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES WORKING BY LASER BEAM WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To manufacture a conductive material inside a polycarbonate, provided that the conductive material shows a high reproducibility independent of the surrounding environment, by exposing an interior of the polycarbonate to an ultra-short pulse laser beam, thereby modifying only an irradiated part into a highly conductive carbonaceous material.SOLUTION: The interior of the polycarbonate 1 is exposed to the ultra-short pulse laser beam 2 with a wavelength of 0.38 to 2.5 μm and a pulse width of 1 fs to 1,000 ps, thus modifying only the irradiated part into a conductive material.