发明名称 |
CUTTING METHOD USING A LASER HAVING AT LEAST ONE YTTERBIUM-BASED FIBRE, IN WHICH AT LEAST THE POWER OF THE LASER SOURCE, THE DIAMETER OF THE FOCUSED BEAM AND THE BEAM QUALITY FACTOR ARE CONTROLLED |
摘要 |
<p>The invention relates to method for cutting a part using a laser beam, involving the use of laser beam generation means comprising at least one ytterbium-based fibre having a wavelength of between 1 and 4μm in order to generate the laser beam. The laser beam is selected to have a power of less than 100 kW, a power density of at least 1 MW/cm2, a focused beam diameter of at least 0.1 mm and a quality factor (BPP) of less than 10 mm·mrad.</p> |
申请公布号 |
EP2004360(B1) |
申请公布日期 |
2011.03.23 |
申请号 |
EP20070731503 |
申请日期 |
2007.01.22 |
申请人 |
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE;AIR LIQUIDE WELDING FRANCE |
发明人 |
BRIAND, FRANCIS;CHOUF, KARIM;MAAZAOUI, HAKIM;VERNA, ERIC |
分类号 |
B23K26/38;B23K26/06;B23K26/14 |
主分类号 |
B23K26/38 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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