Name： FR-4 Product number：4 material： slab thickness ：1.0mm Minimum line / space：0.2mm/0.2mm minimum-value aperture ：0.2mm surface treatment：Immersion Gold
Name： FR-4
Product number：4
material：
slab thickness ：1.0mm
Minimum line / space：0.2mm/0.2mm
minimum-value aperture ：0.2mm
surface treatment：Immersion Gold
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