2L 1m

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Heavy copper PCB helps in the dispersion of the heat and lowering its core temperature.It can transfer the heat of the component at a faster rate. FX PCB can make the copper thickness up to 12oz, please see our capability in details for the heavy copper PCB.

 

The Thick Copper Capacity

ItemCapability classification Mass-productionSample capacity
StructureGrading GoldfingerYESYES
Gold finger lengthYESYES
Accuracy of critical dimensionGoldfinger zone thickness tolerance+/-10%+/-8%
Chamfer+/-5mil+/-4mil
Accuracy to shape+/-3mil/
Accuracy to pattern+/-1mil+/-0.8mil
Double panel materialtype3354
Mixed compressiontype1628
Accuracy of graphLine precision+/-1mil+/-0.8mil
Accuracy Of Buried ResistorBuried resistance precision+/- 10%/
CounterpointGraph≤1.2mil≤1mil
interlamination+/-7mil+/-6mil
Copper thicknessThick copper5oz6oz
Line width /spacing3oz6/86/6
4oz8/97/6
5oz8/118/8
6oz12/1210/10
Solder Mask4mil3.5mil
3-5oz Min Ring Width For Inner LayerAperture 1.0~1.512mil/
Aperture 1.5~3.012mil/
Aperture 3.0~4.012mil/
Aperture >4.012mil/
Layer Count3oz14 layers18 layers
4oz14 layers18 layers
5oz12  layers16 layers
6oz6 Layers16 layers
7~12oz6Layers10Layer
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