Understanding Copper-Based PCB Benefits

Copper-based printed circuit boards are the most expensive type of metal-core PCB. They have excellent thermal conductivity, superior to aluminium-based and iron-based PCBs. Copper-based PCBs are used in high-frequency circuit design and in areas with a significant temperature range. Copper-based PCBs are also used in sophisticated communication equipment and architectural decoration industries. 

Copper-based printed circuit boards (PCBs) come in a wide variety of forms, including immersion gold copper-based PCBs, copper-based PCBs with silver plating, copper-based PCBs with hot air soldering leveling (HASL), Copper Base PCB with anti-oxidation, and so on.

Copper-based printed circuit boards have many benefits, including low thermal resistance with a value of 0.15, good viscoplastic properties, and the ability to withstand high temperatures. Since there is a high demand for current carrying in the copper-based PCB layer, a thicker copper foil with 35m280m has been developed to meet this demand. In addition, the thermal conductivity insulating layer has a significant impact on copper-based PCBs. 

Thermal conductivity is primarily composed of aluminium oxide, and Copper based PCB metal substrate plays a vital role in copper-based PCB, which is the support component of copper-based PCB, primarily playing an essential role in heat dissipation, shielding, covering, or grounding. Copper-based PCB is an acronym for printed circuit board, which stands for printed circuit board made of copper.

The benefits of using a PCB that is copper-based

Copper-based printed circuit boards have excellent thermal conductivity, which is twice as high as that aluminium-based PCBs. The greater the thermal conductivity, the higher the heat conduction and the better the heat dissipation; aluminium-based PCBs have a lower thermal conductivity. And aluminium bases can’t be plated through holes, but copper bases can. However, it needs to be the same for the network of plated through holes so that the signal has an excellent grounding property. 

Despite this, copper has the solderability to mount and solder the structural component of design when it’s all said and done. The component can be directly pasted on the boss, which significantly affects good grounding and heat dissipation, and the copper base on the copper-based PCB can etch a great drawing. In addition, the copper base on the copper-based PCB can etch a great drawing. 

After processing, there will be a boss shape suitable for components. Because the modulus of elasticity of copper and aluminium are not the same, for example, the modulus of elasticity of copper is approximately 121000MPa, while the modulus of elasticity of aluminium is approximately 72000MPa, the amount of warping and shrinking that copper-based PCBs experience is less than that of aluminium-based PCBs, which have a more stable property.

  • Excellent dimensional stability
  • A high capacity for releasing heat
  • Non-magnetic
  • Extremely high levels of mechanical strength
  • Possession d’une bonne propriété viscoplastique
  • The capability of withstanding the effects of thermal ageing

PCBs made of copper have genuinely brought about a revolution in the electronic industry. Their development and discovery enabled us to create many contemporary products with a smaller footprint.

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