IMECH-IR  > 力学所知识产出(1956-2008)
Laser drilling improving circuit board manufacturing
其他题名激光钻孔改善印刷线路板制造
Yu G(虞钢); Zhang JC(张金城); Gao CL(高春林); Wang HC(王红才); Li P(李平); An YQ(安永强); Zhang GQ(张桂秋); Yu G(虞钢)
1998
会议名称LASER PROCESSING OF MATERIALS AND INDUSTRIAL APPLICATIONS II
会议日期1998
会议录名称Laser Processing of Materials and Industrial Applications II,1998,3550:1-6
摘要We reported here a novel technique for laser high speed drillings on Printed Circuit Boards (PCBs). A CNC solid laser based system is developed to drill through and blind vias as an alternative to mechanical drilling. The system employs an Acousto-Optic Q-switched Nd: YAG laser, a computer control system and an X-Y moving table which can handle up to 400 x 400 mm PCB. With a special designed cavity the laser system works in a pulsed operation in order to generate pulses with width down to 0.5 mu s and maximum peak power over 10kW at 10k repetition rate. Delivered by an improved optical beam transforming system, the focused laser beam can drill hobs including blind vias on PCBs with diameter in the range of 0.1 - 0.4 mm and at up to 300 - 500 vias per second (depending on the construction of PCBs). By means of a CNC X-Y moving system, laser pulses with pulse-to-pulse superior repeatability can be fired at desired location on a PCBs with high accuracy. This alternative technology for drilling through or blind vias on PCBs or PWBs (printed wiring boards) will obviously enhance the capability to printed boards manufacturing.
收录类别CPCI-S
语种英语
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型会议论文
条目标识符http://dspace.imech.ac.cn/handle/311007/16602
专题力学所知识产出(1956-2008)
通讯作者Yu G(虞钢)
推荐引用方式
GB/T 7714
Yu G,Zhang JC,Gao CL,et al. Laser drilling improving circuit board manufacturing[C],1998.
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