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C5515 的PCB布板中，BGA我准备使用0.25mm的pad，线间距设置为4mil,然后刚好放置8mil/16mil(0.2mm/0.4mm)的通孔，
这样做大批量生产，不知道焊接效果怎么样？有没有哪位有批量经验的？
您好，C5515的布板，请参看这里的板子：
http://support.spectrumdigital.com/boards/evm5515/revb/
