The majority of heavy copper pcb manufacturing are typically made with copper that is between one and three ounces thick. On the other hand, every layer of a heavy copper PCB, including the outer and interior layers, has more copper than 3 ounces. Thick copper PCBs are expertly manufactured by Fastlink.

We create and manufacture thick copper heavy copper pcb goods of the highest caliber. We have the capacity to produce copper weights up to 15 oz (525 µm) in our manufacturing process. The higher current-carrying capability of heavy copper PCBs is one of the main justifications for their use. Higher currents can flow across the system without overheating thanks to thick copper layers. Applications requiring high-power transmission or high-current activities will find this very helpful.

High-current circuitry and control circuits

In places where connectors are joined, heavier copper adds strength and lowers the possibility of mechanical stress damage, which can occur when connectors are often plugged in and out. Thick layers of heavy copper can assist distribute heat away from important components by serving as an extra heat sink or thermal plane.

This is especially helpful for high-power electronics where temperature control is essential. When a PCB is subjected to frequent heat cycling or is exposed to severe environments, bigger copper layers can greatly extend its lifespan and reliability. Problems such as traces ripping off the substrate or circuit breakage are less likely to affect the PCB.

In certain cases, heavy copper can minimize the number of layers needed for a multi-layer board. You can do what would normally require numerous thinner layers by combining the ground and power aircraft into a single hefty copper layer. More compact designs could be possible if high-current circuitry and control circuits could coexist on the same board.

Unit of measurement

This is so that tiny traces with large current capacities can be made possible by heavy copper. Heavy copper is specifically needed for several applications because of their intrinsic characteristics. For instance, heavy copper is virtually always used in power converter boards, automobile components, photovoltaic inverters, and military-grade equipment.

A board that uses a relatively thin layer of copper to build its circuitry is commonly referred to as a “Copper PCB.” The thicknesses of standard copper PCBs range from 0.5 to 2 oz/ft^2. The unit of measurement for copper thickness is “oz,” which stands for ounces per square foot.

Copper PCBs are the standard in many electrical devices because of their layout. These boards are integrated into everything, including our laptops and smartphones for daily use. Because of their smaller copper layers, the way they are produced is more efficient, which makes them an affordable choice appropriate for large-scale production.

They are mainly used in applications where low to average power consumption is required. Circuit boards with thicker copper conductive layers which typically start at 3 oz/ft^2 and occasionally reach an astounding 20 oz/ft^2 are referred to as “heavy copper PCBs.” This significant thickness offers excellent thermal performance and enables the board to manage much higher currents.

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