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专利名称：Laser drilling with optical feedback发明人：The designation of the inventor has not yet
been filed
申请号：EP98301201.4申请日：19980219公开号：EP0937532A1公开日：19990825
专利附图：
摘要：The invention provides a method of drilling holes sequentially through aworkpiece (4) using a laser gun (2) with a camera (1) positioned axially in-line with thedrilling beam of the laser gun (2). Each image from the camera (1) is analysed by digital
image processing techniques (10) to control the positioning of the laser nozzle relativeto the workpiece (4) and/or to compensate for errors produced in previously drilledholes. By feedback from the digitally processed images it is possible to repeat the auto-focusing of the laser (2) automatically throughout the drilling of a large number of holesin the same workpiece, to adjust the drilling of subsequent holes in order to bring thehole characteristics closed to a predefined optimum, or to abort work on a particularworkpiece if hole diameters exceed a given tolerance range.
申请人：M J Technologies Limited
地址：16 Whitwick Business Park Coalville, Leicester LE6 4JP GB
国籍：GB
代理机构：SERJEANTS
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