Copper PCB Capabilities

Copper PCBs are widely used in electronic devices because copper has several desirable properties that make it a suitable material for PCBs. Copper has a high thermal conductivity, which means it can dissipate heat effectively. This property is important in electronic devices that generate a lot of heat.  Below table shows MorePCB’s Copper PCB Capabilities.

Item Process Capability Parameter
Base Material Copper Core
Number of Layers 1 Layer, 2 Layers, 4 Layers
PCB Size 1 Layer & 2 Layers:1200*300mm or 600*500mm
Multi-layers: 600*500mm
Quality Grade Standard IPC 2
Thermal Conductivity (ω/m-k) 2W, 3W, 8W, 12W
Board Thickness 0.8-2.0mm
Min Tracing/Spacing 4mil / 4mil
Plated Through-hole size ≥0.2mm
Non-Plated Through-hole size ≥0.8mm
Copper Thickness 1oz, 2oz, 3oz, 4oz, 5oz
Solder Mask Green, Red, Yellow, White, Black, Blue, Purple, Matte Green, Matte Black, None
Surface Finish Immersion Gold, OSP, Hard Gold, ENEPIG, Immersion Silver, None
Other Options Countersinks, Castellated Holes, Custom Stackup and so on.
Certification ISO9001, UL, RoHS, REACH

Copper is the preferred metal for PCBs due to its high electrical and thermal conductivity, as well as its durability and corrosion resistance. Copper is used in the form of thin sheets, known as copper foil, which are laminated to insulating substrates such as fiberglass, ceramic, or epoxy resin. The copper foil is etched with acid to create the desired circuit pattern. The resulting copper traces and pads form the conductive pathways that carry electrical signals between components.

The following are some of the capabilities of copper in PCBs:

  1. High Electrical Conductivity

Copper is an excellent conductor of electricity. It has a low resistance to the flow of electrons, which means that electrical signals can travel through copper quickly and efficiently. The high electrical conductivity of copper makes it ideal for use in PCBs, where it is used to create conductive pathways that connect components and devices.

  1. Good Thermal Conductivity

Copper is also an excellent conductor of heat. It can dissipate heat quickly, which makes it ideal for use in high-power applications. In PCBs, copper is used to create heat sinks that draw heat away from components such as CPUs and GPUs, preventing them from overheating and malfunctioning.

  1. Durability

Copper is a highly durable metal. It is resistant to corrosion, oxidation, and wear, which makes it ideal for use in PCBs. Copper traces and pads can withstand repeated heating and cooling cycles, as well as exposure to humidity and other environmental factors.

  1. Cost-Effective

Copper is a cost-effective material for use in PCBs. It is widely available and relatively inexpensive compared to other metals such as gold and silver. Copper foil is also easy to manufacture and can be produced in large quantities, making it an ideal material for high-volume production of PCBs.

  1. Versatility

Copper is a versatile material that can be used in different types of PCBs. It can be used to create single-layer, double-layer, and multi-layer PCBs. It can also be used in flexible and rigid-flex PCBs, which are becoming increasingly popular in applications such as wearable devices and medical equipment.

The Advantages of Using Copper in PCBs

The use of copper in PCBs offers several advantages that enhance the performance and reliability of electronic devices. These advantages include:

  1. Improved Signal Integrity

Copper is an excellent conductor of electricity, which means that it can carry signals with minimal loss. The use of copper in PCBs reduces signal attenuation, signal distortion, and crosstalk, which can improve signal integrity and reduce errors in data transmission.

  1. Enhanced Thermal Management

The high thermal conductivity of copper allows it to dissipate heat quickly, which makes it ideal for use in high-power applications. The use of copper in PCBs can improve thermal management and prevent overheating, which can lead to device failure.

For more information about MorePCB’s Copper PCB Manufacturing, please contact:

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