4-layer PCB board material thickness specifications for impedance calculation

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1

Customer:

Can you provide detailed specifications for the 4-layer board? Your website only lists the material (FR4) for PCB boards, but I need the exact material thickness between each copper layer so I can calculate the required trace width for impedance.

Original message (Croatian)

Da li možete poslati detaljnije specifikacije 4-slojne ploče? Na Vašoj stranici je izlistan samo materijal (FR4) PCB pločice, a trebam točnu debljinu materijala između svakog bakrenog sloja kako bih mogao izračunati potrebnu debljinu vodova zbog impedancije.

Originally submitted via email support on 31 July 2019. Migrated to the forum for community visibility.

2

Soldered Support:

For a board thickness of 1.6mm, 4-layer, the stackup is:
Top layer 0.035mm
Prepreg 0.2mm
Inner layer 1 0.0175mm
Core 1.065mm
Inner Layer 2 0.0175mm
Prepreg 0.2mm
Bottom layer 0.035mm

Original message (Croatian)

ispričavamo se na kasnom odgovoru.

Za debljinu pločice 1.6mm, 4-layer, stack je:
Top layer 0.035mm
Prepreg 0.2mm
Inner layer 1 0.0175mm
Core 1.065mm
Inner Layer 2 0.0175mm
prepreg 0.2mm
Bottom layer 0.035mm