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Copper PCB Stackup

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Copper PCB Stackup

33*******1V

2023-09-18 22:10 PM

Hello,

What is the composition of the insulating layer of the Copper PCB material?

How thick is the insulating layer?

Is the insulating layer the same thickness for the different copper PCB thicknesses?

What material is OSP finish?

Thank you.


JLCPCB

2023-09-22 03:37 AM

The material of insulating layer is FR4, which is 0.2mm within tolerance as shown below.

Yes, for different thickness of copper core PCB, the thickness of  insulating layer is the same.

The material of OSP finish is organic materials.