What is the thickness of copper layer in PCB?

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The thickness of the copper layer in a PCB is typically measured in ounces per square foot (oz/ft²). The most common thickness options are 1 oz/ft², 2 oz/ft², and 3 oz/ft². .

The thickness of the copper layer in a PCB plays a crucial role in determining the conductivity and durability of the circuit board. A thicker copper layer provides better conductivity and can handle higher currents without overheating. .

In terms of the manufacturing process, the thickness of the copper layer is determined during the PCB fabrication process. After the PCB is designed, a thin layer of copper foil is laminated onto the substrate material. The desired copper thickness is achieved by either etching away excess copper or adding additional layers of copper foil.

The choice of copper thickness depends on the specific requirements of the circuit design. For example, high-power applications may require a thicker copper layer to handle the increased current flow, while low-power applications may be able to use a thinner copper layer to reduce costs.

In conclusion, the thickness of the copper layer in a PCB is a critical factor in determining the performance and reliability of the circuit board. Designers must carefully consider the specific requirements of their application to select the appropriate copper thickness. By understanding the impact of copper thickness on conductivity and durability, designers can ensure that their PCBs meet the necessary performance standards.

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