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1.1mil=0.001inch=0.0254mm
oz质量单位，指铜厚2.层叠结构
1.走线长度、宽度、厚度影响寄生电容电感 2 .电源层和地层都比较厚：a.屏蔽辐射干扰,串扰b.减小阻抗3.3.走线电阻
oz质量单位，指铜厚2.层叠结构
1.走线长度、宽度、厚度影响寄生电容电感 2 .电源层和地层都比较厚：a.屏蔽辐射干扰,串扰b.减小阻抗3.3.走线电阻