PCB厚度標準
依照GB/T 4722，PCB厚度有如下系列：
厚度????? 粗偏差??????? 精偏差
0.5????????? /????????? +/-0.07
0.7??????? +/-0.15????? +/-0.09
0.8??????? +/-0.15????? +/-0.09
1.0??????? +/-0.17????? +/-0.11
1.2??????? +/-0.18????? +/-0.12
1.5??????? +/-0.20????? +/-0.14
1.6??????? +/-0.20????? +/-0.14
2.0??????? +/-0.23????? +/-0.15
2.4??????? +/-0.25????? +/-0.18
3.2??????? +/-0.30????? +/-0.20
6.4??????? +/-0.55????? +/-0.30
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