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US07892225B2 Devices and methods for separating layers of materials having different ablation thresholds 有权
用于分离具有不同消融阈值的材料层的装置和方法

Devices and methods for separating layers of materials having different ablation thresholds
摘要：
A method and device for photoablation is disclosed wherein photoablation occurs along the interface between a material having a lower energy ablation threshold and a material having a higher energy ablation threshold. The method and device utilize a laser beam having a beam energy density which is less than the higher energy ablation threshold and greater than or equal to the lower energy ablation threshold. By directing such a laser beam to the interface, the material having the lower energy threshold is photoablated while the material having the higher energy threshold is largely unaffected.
摘要（中）：

公开了一种用于光消融的方法和装置，其中光消除沿着具有较低能量消融阈值的材料和具有较高能量消融阈值的材料之间的界面发生。 该方法和装置利用具有小于较高能量消融阈值并且大于或等于较低能量消融阈值的光束能量密度的激光束。 通过将这样的激光束引导到界面，具有较低能量阈值的材料被光照化，而具有较高能量阈值的材料在很大程度上不受影响。

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