PCB Copper Thickness: Base Copper vs. Finished Copper
How starting foil, copper plating, and process losses affect finished copper thickness and the requirements recorded in a PCB stackup.
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PCB Materials
Reference articles on PCB materials, dielectric construction and their relationship to stack-up and controlled impedance.
Rogers RF Laminate Selection: Why One Dk Value Is Not Enough
Process and design Dk, loss, test conditions, copper and construction all matter when comparing Rogers RF laminates.
READ ARTICLEWhy Does PCB Prepreg Thickness Change After Lamination?
How resin content, glass style, inner-layer copper and the press cycle influence the final dielectric thickness of a multilayer PCB.
READ ARTICLEPCB Controlled Impedance: How Stack-Up, Trace Geometry and Materials Work Together
Why an impedance target cannot be separated from the actual stack-up, and which parameters, net information and test requirements should be supplied for manufacturing review.
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