LASER APPARATUS FOR CUTTING BRITTLE MATERIAL WITH ASPHERIC FOCUSING MEANS AND A BEAM EXPANDER
An apparatus for cutting brittle material comprises an aspheric focusing lens, an aperture, and a laser-source generating a beam of pulsed laser-radiation. The aspheric lens and the aperture form the beam of pulsed laser-radiation into an elongated focus having a uniform intensity distribution along...
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creator | DEILE, Jochen GREENBERG, Michael, R GAUDIOSI, David, M |
description | An apparatus for cutting brittle material comprises an aspheric focusing lens, an aperture, and a laser-source generating a beam of pulsed laser-radiation. The aspheric lens and the aperture form the beam of pulsed laser-radiation into an elongated focus having a uniform intensity distribution along the optical axis of the aspheric focusing lens. The elongated focus extends through the full thickness of a workpiece made of a brittle material. The workpiece is cut by tracing the optical axis along a cutting line. Each pulse or burst of pulsed laser-radiation creates an extended defect through the full thickness of the workpiece. |
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The aspheric lens and the aperture form the beam of pulsed laser-radiation into an elongated focus having a uniform intensity distribution along the optical axis of the aspheric focusing lens. The elongated focus extends through the full thickness of a workpiece made of a brittle material. The workpiece is cut by tracing the optical axis along a cutting line. Each pulse or burst of pulsed laser-radiation creates an extended defect through the full thickness of the workpiece.</description><language>eng ; fre ; ger</language><subject>CHEMISTRY ; CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; GLASS ; MACHINE TOOLS ; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; METALLURGY ; MINERAL OR SLAG WOOL ; PERFORMING OPERATIONS ; SOLDERING OR UNSOLDERING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>2021</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210915&DB=EPODOC&CC=EP&NR=3541565B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76292</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210915&DB=EPODOC&CC=EP&NR=3541565B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DEILE, Jochen</creatorcontrib><creatorcontrib>GREENBERG, Michael, R</creatorcontrib><creatorcontrib>GAUDIOSI, David, M</creatorcontrib><title>LASER APPARATUS FOR CUTTING BRITTLE MATERIAL WITH ASPHERIC FOCUSING MEANS AND A BEAM EXPANDER</title><description>An apparatus for cutting brittle material comprises an aspheric focusing lens, an aperture, and a laser-source generating a beam of pulsed laser-radiation. The aspheric lens and the aperture form the beam of pulsed laser-radiation into an elongated focus having a uniform intensity distribution along the optical axis of the aspheric focusing lens. The elongated focus extends through the full thickness of a workpiece made of a brittle material. The workpiece is cut by tracing the optical axis along a cutting line. Each pulse or burst of pulsed laser-radiation creates an extended defect through the full thickness of the workpiece.</description><subject>CHEMISTRY</subject><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>GLASS</subject><subject>MACHINE TOOLS</subject><subject>MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>METALLURGY</subject><subject>MINERAL OR SLAG WOOL</subject><subject>PERFORMING OPERATIONS</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>TRANSPORTING</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNykEKwjAQQNFsXIh6h7mAi1LjfhqnJpDEkEzQjZQicSVaqPfHCB7A1efDW4qrxUQRMASMyDlBf4qgMrPxR-iiYbYEDpmiQQtnwxowBV1XVapy-jpH6BOgPwBCR-iALqEexbVY3MfHXDa_rgT0xEpvy_QayjyNt_Is74FCK3eN3Muuaf8gH3QYMfc</recordid><startdate>20210915</startdate><enddate>20210915</enddate><creator>DEILE, Jochen</creator><creator>GREENBERG, Michael, R</creator><creator>GAUDIOSI, David, M</creator><scope>EVB</scope></search><sort><creationdate>20210915</creationdate><title>LASER APPARATUS FOR CUTTING BRITTLE MATERIAL WITH ASPHERIC FOCUSING MEANS AND A BEAM EXPANDER</title><author>DEILE, Jochen ; GREENBERG, Michael, R ; GAUDIOSI, David, M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3541565B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2021</creationdate><topic>CHEMISTRY</topic><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>GLASS</topic><topic>MACHINE TOOLS</topic><topic>MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>METALLURGY</topic><topic>MINERAL OR SLAG WOOL</topic><topic>PERFORMING OPERATIONS</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>TRANSPORTING</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>DEILE, Jochen</creatorcontrib><creatorcontrib>GREENBERG, Michael, R</creatorcontrib><creatorcontrib>GAUDIOSI, David, M</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DEILE, Jochen</au><au>GREENBERG, Michael, R</au><au>GAUDIOSI, David, M</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>LASER APPARATUS FOR CUTTING BRITTLE MATERIAL WITH ASPHERIC FOCUSING MEANS AND A BEAM EXPANDER</title><date>2021-09-15</date><risdate>2021</risdate><abstract>An apparatus for cutting brittle material comprises an aspheric focusing lens, an aperture, and a laser-source generating a beam of pulsed laser-radiation. The aspheric lens and the aperture form the beam of pulsed laser-radiation into an elongated focus having a uniform intensity distribution along the optical axis of the aspheric focusing lens. The elongated focus extends through the full thickness of a workpiece made of a brittle material. The workpiece is cut by tracing the optical axis along a cutting line. Each pulse or burst of pulsed laser-radiation creates an extended defect through the full thickness of the workpiece.</abstract><oa>free_for_read</oa></addata></record> |
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language | eng ; fre ; ger |
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subjects | CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING GLASS MACHINE TOOLS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
title | LASER APPARATUS FOR CUTTING BRITTLE MATERIAL WITH ASPHERIC FOCUSING MEANS AND A BEAM EXPANDER |
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