Commonly used core wires in metal core PCBs-深圳市海博精密电路有限公司

Most metal core PCBs use aluminum as the core, and sometimes copper is also used.

Copper: Copper is used as a PCB core in special situations such as thermoelectric separation that require extremely high thermal conductivity. Copper is also used for multi-layer, double-sided, multi-layer, and single-layer metal core PCBs. Copper also has higher mechanical strength than aluminum. The problem with copper lies in its weight and cost. It is much heavier than aluminum. Although mechanical strength is its strength, it also makes manufacturing very difficult, so there are few copper core manufacturers.

Aluminum: Aluminum is very commonly used in metal core PCBs. Aluminum has high thermal conductivity (not as high as copper), is lightweight, inexpensive, and easy to manufacture. In addition, it is easy to obtain and has more manufacturers offering it than similar copper products. Some aluminum alloys are also used as metal cores, which are heavier and more expensive but have higher mechanical strength. Many LED PCBs use aluminum core PCBs.

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