Heavy copper PCB produce 4 or more ounces of copper on each layer. Four ounce copper PCBS are most commonly used in commercial products. Copper concentrations can be as high as 200 ounces per square foot. Heavy copper PCBS are widely used in electronics and circuits that require high power transmission. In addition, the thermal strength these PCBS provide is impeccable. In many applications, especially electronics, the thermal range is critical because high temperatures wreak havoc on sensitive electronic components and severely affect circuit performance.

Heat dissipation capacity & GT; Heavy copper PCBS are much higher than casual PCBS. Heat dissipation is critical to developing robust circuits. Improper thermal signal processing will not only affect the performance of electronic equipment, but also shorten the service life of the circuit.

High power circuit wiring can be developed using heavy copper PCBS. This wiring mechanism provides more reliable thermal stress handling and provides fine finishing while integrating multiple channels on a single compact plate.

Heavy copper PCBS are widely used in a variety of products because they provide a variety of functions to improve circuit performance. These PCBS are widely used in high-power equipment such as transformers, radiators, inverters, military equipment, solar panels, automotive products, welding equipment and power distribution systems.

Heavy copper PCB manufacturing

As with standard PCBS, heavy copper PCBS require more refinement.

Traditional heavy copper PCBS are manufactured using outdated technology, resulting in uneven tracking and undercutting on the PCB, resulting in inefficiencies. Today, however, modern manufacturing techniques support fine cuts and minimal bottom cuts.

Thermal stress treatment quality of heavy copper PCB

Factors such as thermal stress are crucial in designing circuits and engineers should eliminate them as much as possible.

Over time, PCB manufacturing techniques have evolved, and various PCB technologies have been invented, such as aluminum PCBS, capable of handling thermal stress.

It is in the interest of heavy copper PCB designers to have thermal performance and environmentally friendly design while minimizing power budget while maintaining circuits.

Because electronic components overheating will lead to failure, even endanger life, hazard management can not be ignored.

The traditional process for achieving heat dissipation quality is to use an external heat sink, connected to the heating component. Since, without heat dissipation, the heating part approaches high temperature, to dissipate this heat, the radiator consumes heat from the part and transmits it through the surrounding environment. Usually, these radiators are made of copper or aluminum.The use of these radiators not only exceeded the development cost, but also required more space and time. The result, though, doesn’t even come close to the cooling power of a heavy copper PCB.

In heavy copper PCBS, the heat sink is inserted into the board during manufacturing, rather than using any external heat sink. As the external radiator requires more space, there are fewer restrictions on the placement of the radiator.

Because the heat sink is plated on the circuit board and connected to the heat source using conductive through-holes rather than using any interfaces and mechanical joints, heat is transferred quickly, resulting in improved heat dissipation time.

The thermal through-holes in heavy copper PCBS allow for more heat dissipation than other technologies, because the thermal through-holes are developed with copper. In addition, current density is improved and skin effect is minimized.

Advantages of heavy copper PCB: <

The advantages of heavy copper PCB make it become the most important in the development of high power circuit. Heavy copper concentration can handle high power and high heat, which is why high power circuits have been developed using this technology. Such circuits cannot be developed with low-copper concentrated PCBS because they cannot withstand the huge thermal stress caused by high current and flow current. Heavy copper PCBS are usually considered high current PCBS because of their significant cooling capacity.

The relationship between copper thickness and current is an important factor in using heavy copper PCB. As the concentration of copper increases, so does the total cross-sectional area of copper, which reduces the resistance in the circuit. As we know, losses are devastating to any design, and copper concentration enables these PCBS to reduce power budgets.

Current conductivity is an important factor, especially when dealing with low power signals, and the current conductivity of heavy copper PCBS is enhanced by their minimal resistance.

Connectors are essential for jumper connections. However, connectors are often difficult to maintain on traditional PCBS. Due to the lower strength of occasional PCBS, the connector area is usually affected by mechanical stress, but heavy copper PCBS provide higher strength and ensure higher reliability.

RAYMING’s heavy copper PCB manufacturing

Heavy copper PCB manufacturing requires proper care, and improper handling during manufacturing can lead to poor performance, always consider the services of an experienced manufacturer.

RAYMING provides executive PCB manufacturing facilities for all types of PCBS. RAYMING has been specializing in heavy copper PCB manufacturing and developing high quality production images for the past ten years.

Heavy copper PCBS are manufactured on advanced automated machines, which enables us to develop highly reliable PCBS. So far, we have developed two-layer PCBS up to 20 ounces, multi-layer PCBS weighing 4-6 ounces of copper.