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MCPCB


what is mcpcb-mcpcb design

What is MCPCB?

The MCPCB (Metal Core PCB) is a PCB made of metalcore and copper to laminate, which has good heat dissipation.

In general, the MCPCB board comprises three layers: the copper foil, the insulating layer, and the metal-clad layer.

Compared with FR4, the metal core PCB can minimize thermal resistance, which means it has excellent thermal conductivity.

Types Of MCPCB Board

Classify by Layer Counts

Single-Sided MCPCB Board

Single-sided MCPCB board is the most common type. Compared with other types of metal core PCB boards, its process is simple, and its application is particularly extensive, often used in LED lighting products. It consists of three parts: the copper foil, the insulating layer, and the metal-clad layer.

2 Layer MCPCB Board

2 Layer MCPCB board can layout components on both sides. The structure is relatively complex and consists of five structures: The circuit layer, the dielectric layer, the aluminum-clad layer, the dielectric layer, and the circuit layer. There are more resin filling processes and plating processes in MCPCB fabrication, which require twice the drillings.

Multilayer MCPCB Board

In the high-performance power supply industry, multilayer MCPCB boards are made of multilayer thermally conductive dielectrics. These structures have one or more layers of circuitry buried in a dielectric, with blind vias used as thermal vias or signal paths.

Classify By Material

Flexible MCPCB Board

One of the latest developments in metal core PCB is flexible dielectrics. These materials provide excellent electrical insulation, flexibility, and thermal conductivity. When applied to a flexible MCPCB board, the product can be realized in various shapes and angles and can be bent without cracking. Cost savings on expensive fixtures, cables, and connectors.

Copper Core PCB

Copper Core PCB is copper metal core PCB. The heat dissipation of the copper core PCB is very good, and it is suitable for high-frequency circuits and heat dissipation of precision communication equipment and architectural industries.

Iron Core PCB

Iron Core PCB metal clad layer is iron. The hardness of the iron substrate is much greater than the manufacturing process and difficulty of the aluminum substrate. It’s used in high-end motors, high-end product equipment, and motors.

Feature Of MCPCB PCB Board

1. Good Heat Dissipation

The MCPCB(Metal Core PCB) can minimize the thermal resistance, has smaller thermal resistance, and the thermal expansion coefficient is closer to that of copper foil.
It has excellent thermal conductivity and heat dissipation performance, reduces the module's operating temperature, and prolongs the service life.

2. High Current Carrying

The MCPCB board can carry a higher current with the same thickness and line width.

3. Good Machinability

MCPCB board can replace ceramic substrate, better mechanical durability. At the same time, high strength and toughness can realize large-area printed board manufacturing and component placement.

4. Good Electromagnetic Wave Shielding

To ensure the performance of electronic circuits, some components in electronic products need to prevent radiation and interference of electromagnetic waves. The MCPCB(Metal Core PCB) can act as a shielding plate to shield electromagnetic waves.

5. Environmental friendly

The aluminum of MCPCB board material used as the raw material is non-toxic and recyclable. Comply with RoHs requirements.

6. Light weight

Aluminum of metal core PCB is amazingly lightweight with excellent strength and elasticity, which is very convenient.

ItemTechnical Parameters   Specification
Min Circuit Line Width/Space4/4 milFinished Copper Thickness 1 oz
Min MCPCB Pad Ring of Via 4 mil Distance between hole edge to ring outskirt 
 Min MCPCB Pad Ring of PTH6 mil Distance between hole edge to ring outskirt  
 Min MCPCB Via Size8 mil Board Thickness < 1.2 mm 
 Min MCPCB Thickness of Double sided0.5 mm Final Board Thickness
Min MCPCB Thickness of Multilayer0.5 mmFinal Board Thickness
Max MCPCB Thickness 5.0 mm Final Board Thickness 
 Max MCPCB Dimension1200×600 mm Single and Double Sided  PCB
 Space Between Line to Board Edge10 mil Milling of Outline 
 Max MCPCB Layers8 Layer  
MCPCB Solder Mask ColorGreen, Black, Blue, Red, White, Yellow 
MCPCB Silkscreen ColorWhite,Black,Yellow 
MCPCB Surface FinishingHASL, ENIG, ENEPIG, ImAg, ImTin, OSP 
Max Finishing Copper Thickness10 oz 
Dielectric Thickness4 mil 
MCPCB MaterialAluminium 1100,3003,5052,6061. Copper, Iron 
Special TechnologyBlind&Buried MCPCB, T-Slot, Countersink hole 

How To Make MCPCB Board?

CNC Drilling

NC drilling is the first step of MCPCB(Metal Core PCB) manufacturing. The drills are CNC-controlled, following the Gerber drilling file.

CNC Drilling

NC drilling is the first step of MCPCB(Metal Core PCB) manufacturing. The drills are CNC-controlled, following the Gerber drilling file.

Solder Mask And Silkscreen Printing

Solder mask coating will protect the copper and trace from mechanical and environmental damage. After the application of the solder mask printed, the legends are added onto the panel through screen printing of identification ink available in different colors.

Solder Mask And Silkscreen Printing

Solder mask coating will protect the copper and trace from mechanical and environmental damage. After applying the solder mask print, the legends are added onto the panel through screen printing of identification ink, which is available in different colors.

Milling And V-CUT

The MCPCB board has been cycling in the final milling process, and the CNC machine follows the MCPCB outline gerber to mill and V-CUT.

Milling And V-CUT

The MCPCB board has been cycling in the final milling process, and the CNC machine follows the MCPCB outline gerber to mill and V-CUT.

Vacuum Package

All the good MCPCB boards will be small vacuum packaging and carton packaging. Then, it is shipped worldwide through UPS, DHL, and Fedex Express.

 MCPCB Board Application

  • Audio equipment: input, output amplifiers, balanced amplifiers, audio amplifiers, preamplifiers, power amplifiers, etc.
  • Power supply equipment: switching regulator, DC/AC converter, SW regulator, etc.
  • Communication electronic equipment: high-frequency amplifier `filter appliance` sending circuit
  • Office automation equipment: motor drives, etc.
  • Automobile: electronic regulator, igniter, power controller, etc.
  • Power module: converter, solid state relay, rectifier bridge, etc.
  • LED Lighting: With the promotion of energy-saving lamps, MCPCBused in LED lights have also begun to be used on a large scale

Why Choose Us?

King Sun is a leading MCPCB manufacturer. Our Metal Core PCB uses a reliable aluminum core with the following advantages:

  • Excellent thermal conductivity
  • Excellent insulating ability
  • Excellent dimensional stability
  • Excellent mechanical strength
  • Lower heat expansibility
  • Lower operating temperature
  • Increase power density
  • Reduce the number of interconnects.
  • Extend the life of dies.

We also make PCB prototypes with a very fast turnaround lead time:

Layer CountStandard Lead TimeQuick Turn Around
1 Layer4-5 DAY24 Hours
2 Layer7-8 DAY96 Hours