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1.发明公开
公开(公告)号：EP1199127A2
公开(公告)日：2002-04-24
申请号：EP01122593.5
申请日：2001-09-26
CPC分类号： B23K26/1476 , B23K26/02 , B23K26/03 , B23K26/032 , B23K26/0648 , B23K26/0665 , B23K26/1224 , B23K26/123 , B23K26/14
摘要： An underwater laser processing apparatus (100) includes an optical unit (3) and a nozzle (29). The optical unit irradiates a condensed laser beam generated by a YAG laser oscillator (35) to a certain point on a underwater workpiece (6). The nozzle has a gas exit for supplying a gas to the certain point. In the nozzle, an area surrounding the gas exit (25) extends to the surface of the workpiece. This area keeps the supplied gas between the nozzle and the workpiece to improve the underwater laser process.
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2.发明授权Underwater laser processing apparatus and underwater laser processing method 有权Unterwasservorrichtung und Unterwasserverfahren zur Laserbehandlung
公开(公告)号：EP1199127B1
公开(公告)日：2008-03-05
申请号：EP01122593.5
申请日：2001-09-26
CPC分类号： B23K26/1476 , B23K26/02 , B23K26/03 , B23K26/032 , B23K26/0648 , B23K26/0665 , B23K26/1224 , B23K26/123 , B23K26/14
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3.发明公开
公开(公告)号：EP1199127A3
公开(公告)日：2003-10-29
申请号：EP01122593.5
申请日：2001-09-26
CPC分类号： B23K26/1476 , B23K26/02 , B23K26/03 , B23K26/032 , B23K26/0648 , B23K26/0665 , B23K26/1224 , B23K26/123 , B23K26/14
摘要： An underwater laser processing apparatus (100) includes an optical unit (3) and a nozzle (29). The optical unit irradiates a condensed laser beam generated by a YAG laser oscillator (35) to a certain point on a underwater workpiece (6). The nozzle has a gas exit for supplying a gas to the certain point. In the nozzle, an area surrounding the gas exit (25) extends to the surface of the workpiece. This area keeps the supplied gas between the nozzle and the workpiece to improve the underwater laser process.
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