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1. 发明授权

US07388889B2 Method and device for producing subsurface markings in a transparent material body 失效
标题翻译：在透明材料体中生产地下标记的方法和装置
公开(公告)号：US07388889B2
公开(公告)日：2008-06-17
申请号：US11399955
申请日：2006-04-07
申请人： Rémy Renaud
发明人： Rémy Renaud
IPC分类号： H01S3/11
CPC分类号： B44B7/007 , B23K26/361 , B23K26/53 , B41M5/24 , B41M5/262 , B41M5/267
摘要： A method and device for producing subsurface markings in a transparent material body by focusing a pulsed laser beam in the interior of the material body so that the laser beam exceeds the destruction threshold of the material body to produce a permanent marking. Individual markings form a freely selectable internal engraving as a result of a relative movement between the laser beam and the material body. The laser pulse is varied with respect to its pulse energy (P) by means of a discharge pulse (E) that has an adjustable time delay from an excitation pulse (A). Markings that have varying optical properties depending on the pulse energy (P) are produced in this fashion.
摘要翻译：一种用于通过将脉冲激光束聚焦在材料体的内部中使得激光束超过材料体的破坏阈值以产生永久标记的方式和装置，用于在透明材料体中产生地下标记。单个标记由于激光束和材料体之间的相对运动而形成可自由选择的内部雕刻。激光脉冲相对于其脉冲能量（P）借助于具有来自激发脉冲（A）的可调时间延迟的放电脉冲（E）而变化。以这种方式产生具有取决于脉冲能量（P）的变化的光学特性的标记。

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