Help Center Ordering Parameter Instruction

What is the PCB Copper Weight?

Copper foil thickness is specified in ounces per square foot (oz/ft²) or simply ounces. Common thicknesses include 1 oz/ft² (300 g/m²), 2 oz/ft² (600 g/m²), and 3 oz/ft² (900 g/m²). These correspond to thicknesses of 35 µm (1 oz), 70 µm, and 105 µm, respectively.

PCBWay offers copper thickness for the outer layer ranging from 1 oz to 13 oz. The copper thickness for the default inner layer is 1 oz.

Higher copper weight improves the electrical performance of the circuit board but also increases the difficulty of etching the board. For most general circuits, 1 oz copper weight is sufficient.

For mass production, please ensure that the minimum line width and spacing meet the following specifications.

To learn more about solder mask, watch the video below.

Last updated on 07/06/2024

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