一个基于Protel PCB版图文件接口的激光直写微加工CAM系统

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详细分析了以ASCⅡ码存储的Protel PCB版图文件的存储格式和图元数据结构,并基于Protel版图文件接口,实现了应用于厚膜集成电路制造的激光微细熔覆柔性布线CAD/CAM系统开发.
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