1 线宽 地线>电源线>信号线通常信号线宽为:0.20.3mm(8-12mil)电源线为1.22.5 mm(48-100mil)(大于20mil)(20-50mil)推荐使用最小线宽间距 6mil6mil(0.15mm) 极限最小线宽间距 4mil6mil (0.1mm) 建议值极限值线宽≥8mil5mil线距≥8mil5mil焊盘与线间距≥8mil5mil焊盘与焊盘间距≥8mi