METHOD FOR DIVIDING COMPOSITE MATERIAL
A method is disclosed for dividing a composite material in which a brittle material layer and a resin layer are laminated, including: a resin removing step of irradiating the resin layer with a laser beam oscillated from a first laser source along a scheduled dividing line of the composite material...
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| creator | Hirata, Satoshi Nakai, Kota Matsuo, Naoyuki Kanno, Toshihiro |
| description | A method is disclosed for dividing a composite material in which a brittle material layer and a resin layer are laminated, including: a resin removing step of irradiating the resin layer with a laser beam oscillated from a first laser source along a scheduled dividing line of the composite material to form a processing groove along the scheduled dividing line; a brittle material removing step of irradiating the brittle material layer with a laser beam oscillated from an ultrashort pulsed laser source along the scheduled dividing line to form a processing mark along the scheduled dividing line; and a brittle material layer dividing step of generating thermal stress in the brittle material layer by irradiating the brittle material layer with a laser beam oscillated from a second laser source from the opposite side to the resin layer to thereby divide the brittle material layer. |
| format | Patent |
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a brittle material removing step of irradiating the brittle material layer with a laser beam oscillated from an ultrashort pulsed laser source along the scheduled dividing line to form a processing mark along the scheduled dividing line; and a brittle material layer dividing step of generating thermal stress in the brittle material layer by irradiating the brittle material layer with a laser beam oscillated from a second laser source from the opposite side to the resin layer to thereby divide the brittle material layer.</description><language>eng</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>2022</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=20221006&DB=EPODOC&CC=US&NR=2022315472A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20221006&DB=EPODOC&CC=US&NR=2022315472A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Hirata, Satoshi</creatorcontrib><creatorcontrib>Nakai, Kota</creatorcontrib><creatorcontrib>Matsuo, Naoyuki</creatorcontrib><creatorcontrib>Kanno, Toshihiro</creatorcontrib><title>METHOD FOR DIVIDING COMPOSITE MATERIAL</title><description>A method is disclosed for dividing a composite material in which a brittle material layer and a resin layer are laminated, including: a resin removing step of irradiating the resin layer with a laser beam oscillated from a first laser source along a scheduled dividing line of the composite material to form a processing groove along the scheduled dividing line; 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a brittle material removing step of irradiating the brittle material layer with a laser beam oscillated from an ultrashort pulsed laser source along the scheduled dividing line to form a processing mark along the scheduled dividing line; and a brittle material layer dividing step of generating thermal stress in the brittle material layer by irradiating the brittle material layer with a laser beam oscillated from a second laser source from the opposite side to the resin layer to thereby divide the brittle material layer.</abstract><oa>free_for_read</oa></addata></record> |
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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 | METHOD FOR DIVIDING COMPOSITE MATERIAL |
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