What is the thickness of the inner copper layers?

What is the thickness of the inner copper layers?

For a 4 layer stack-up, the inner copper thickness is 0.017mm (0.67mils) per 0.5oz copper.

1oz copper
FR4
0.5oz copper
1.2mm FR4
0.5oz copper
FR4
1oz copper


Inner Layer Copper Thickness (example for 4 layers)0.017mm(0.5oz)0.67mils

    • Related Articles

    • What is the PCB copper weight?

      日本語 Copper foil thickness is specified in units of ounces per square foot (oz/ft²), or just referred to simply as ounce. Popular thicknesses include 1 oz/ft² (300 g/m²), 2 oz/ft² (600 g/m²), and 3 oz/ft² (900 g/m²). These work out to thicknesses of ...

    • Fusion Advanced PCB Specification

      The Seeed Fusion Advanced PCB service caters for more complex requirements. Material FR4 TG130/TG170 High Frequency Board Default (if not otherwise specified) TG170 Please request when placing the order Rogers, Taconic, Arlon, Rogers 4350, Rogers ...

    • Fusion PCB Specification

      PCB Gerber Files 日本語版 The Gerber format is an open 2D binary vector image file format. It is the standard format used by the printed circuit board (PCB) industry software to describe the printed circuit board images: copper layers, solder mask, ...

    • What is the difference between Fusion standard PCB and Fusion Advanced PCB?

      Standard board:→Fusion PCB Custom board:→Fusion Advanced PCB Why it is cheap/expensive We will buy lots of metal-clad bade material in the same specification at once to reduce the cost. We will buy many different kinds of metal-clad bade materials. ...

    • What are the dimensions for Dielectric Separation thickness?

      The dimensions for Dielectric Separation Thickness is 0.075 - 5.0mm (or 2.95 - 196.85mil). More information on Fusion's PCB Specification can be found here.