PROBLEM TO BE SOLVED: To enhance working efficiency of PCB manufacturing by enabling a production designer to proceed manufacturing documents preparation in advance.;SOLUTION: A personal computer 10 has a progress rate calculating means for calculating a progress rate of PCB layout design based on registered layout data when the layout data prepared using a PCB circuit diagram is registered, and a progress rate notification means for notifying a data processor used for the manufacturing documents preparation of a PCB of a progress rate calculated by the rate progress calculation means.;COPYRIGHT: (C)2009,JPO&INPIT
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