What is aluminum base material pcb?

Aluminum Base Material PCB (Aluminum Base Material PCB) is a special printed circuit board whose substrate material is an aluminum-based material instead of the common glass fiber substrate.

Andwin provide thermal pad metal core PCB for customer, email us now for you PCB quote,
Email is : mcpcb@andwinmcpcb.com

What Is aluminum base material pcb?

Aluminum substrate PCBs are often used in high-power LED lighting, automotive electronics, power supplies, and motor control because of their good heat dissipation and high strength.

The manufacturing process of aluminum substrate PCB is similar to conventional PCB, but special process and equipment are needed to handle aluminum base material.

The advantages of aluminum-based PCBs include high reliability, long life, high thermal conductivity, and low coefficient of thermal expansion, which make them an ideal choice, especially in high-temperature, high-frequency, and high-power applications.

Types of aluminum base material pcb

There are several types of aluminum base material PCBs, including:

  1. Single-layer aluminum PCB: This type of PCB has a single layer of aluminum base material and is suitable for simple electronic circuits.
  2. Double-layer aluminum PCB: This type of PCB has two layers of aluminum base material and is suitable for more complex electronic circuits.
  3. Multilayer aluminum PCB: This type of PCB has multiple layers of aluminum base material and is suitable for even more complex electronic circuits.
  4. Hybrid aluminum PCB: This type of PCB combines aluminum base material with other materials, such as FR-4, to create a PCB with both high thermal conductivity and good electrical insulation.
  5. High-frequency aluminum PCB: This type of PCB is designed for high-frequency applications and has a specially designed structure to minimize signal loss.
  6. High-power aluminum PCB: This type of PCB is designed for high-power applications and has a thicker aluminum base material to provide better heat dissipation.

the role of aluminum base material pcb

Aluminum base material PCBs (Printed Circuit Boards) play a crucial role in the electronics industry. They are used in a wide range of applications, including LED lighting, power electronics, automotive, and aerospace industries.

The primary role of aluminum base material PCBs is to provide a stable and efficient thermal management system for electronic components. They are designed to dissipate heat generated by the components quickly and efficiently, preventing overheating and damage to the components.

Aluminum base material PCBs are also known for their high thermal conductivity, which allows them to transfer heat away from the components more effectively than other PCB materials. This property makes them ideal for use in high-power applications where heat dissipation is critical.

In addition to their thermal management capabilities, aluminum base material PCBs also offer excellent electrical performance, durability, and reliability. They are resistant to corrosion, moisture, and other environmental factors, making them suitable for use in harsh operating conditions.

Overall, the role of aluminum base material PCBs is to provide a robust and efficient platform for electronic components, ensuring their optimal performance and longevity.

Overall, aluminum substrate manufacturers can be found in many different countries around the world, with production facilities located in areas with access to raw materials and transportation infrastructure.

where is the aluminum base material pcb used?

Aluminum base material PCBs are commonly used in applications that require high thermal conductivity and heat dissipation, such as LED lighting, power supplies, automotive electronics, and computer hardware.

They are also used in applications that require high reliability and durability, such as aerospace and military electronics.

Applications Of aluminum pcb

The technology of the metal core PCB is ideal for its applications that generate immense heat and have difficulty being cool down using conventional fans or other cooling methods.

MCPCBs play an integral role to achieve a high illumination with fewer requirements than LEDs require.
The fabrication process of metal core PCB is helpful for the applications
Since the MCPCBs are most often used in LED technologies for producing a certain illumination the light-emitting diodes releases the heat in applications like:

– General lighting
– Automotive systems
– Industrial, telecom, power supplies, and high voltage regulators types of power converters
– Photovoltaic
– Street safety lightings and streetlights
– Backlight applications

Military and aerospace are another two other sectors appropriate to utilize the benefits of metal core PCBs in their applications.

These sectors are quite sensitive and need to endure frequent thermal cycling, limits of temperature and humidity, along with repeated mechanical shocks.

The MCPCB deals according to the operational requirements only if better structural veracity and thermal conductivity enabling withstanding greater shocks.

The higher the conductivity of thermal, the better it is for the temperature distribution throughout the boards as it ensures a uniform for thermal cycling.

It also stops forming hot spots before near to the active components.
Other than these, MCPCB works great in solar panels and motion control applications.

The combination of a metal core with HDI PCB technology can create an advanced circuit technology including microwave RF PCB, flex PCB, and rigid-flex PCBs.

As the demand for PCBs is high due to the remarkable benefits, the metal core PCB is the most widely used one among all the others.

It ensures high circuitry density, thermal management, and enhanced reliability for enhanced performance.

Thermal conductivity of 2 Layers thermal Pad MPCB

Thermal pad area is 385 W/m.k

Capability of Metal core PCB

Metal core PCB Capability
ItemTechnical specification
Board thicknessMaximum (mm)3.05.0
Panel sizeMaximum (mm)600×1170/
Layer countAluminum PCB1-8L10 L
Copper PCB1-8L10 L
Iron PCB1/
ceramics PCB1-2/
Thermal ConductivityAluminum PCB(w/m.k)0.8 to 12
Copper PCB(w/m.k)2.0-378/
ceramics PCB(w/m.k)24
DrillingMinimum drill diameter (mm)1.00.8
2 Layer ALPCB Via0.3/
MaterialChao Shun(CCAF)(China)Yes/
Hua Dian(China)Yes/
Chin Shi(TaiWan)Yes/
ITEQ(Tai Wan)Yes/
Other brand per customerYes/
Final finishingHASL Lead FreeYes/
Immersion SilverYes/
Immersion Tin/YES

2 Layers direct thermal path copper core pcb application

2 Layers direct thermal path copper core pcb are designed to dissipate heat generated by high-power LEDs,
which helps to increase the lifespan of the LED and improve its performance.
The aluminium base acts as a heat sink, which absorbs and dissipates the heat generated by the LED.

The 2 Layers direct thermal path copper core pcb is made by laminating a thin layer of copper onto an copper substrate.
The copper layer is then etched to create the circuit pattern.
2 Layers direct thermal path copper core pcb for LED lighting applications are available in various sizes and thicknesses, depending on the specific requirements of the application.
They are also available in single-sided, double-sided, and multi-layered configurations.

About Andwin MCPCB

Andwin Ciurcuits MCPCB davision  set up on Feb. 2006.
Focus on  providing metal core PCB for customer
In LED field and power supply field.
We can meet all your MCPCB manufacturing needs,
From single-sided Aluminum to 
complex multilayered metal clad substrate PCBs
And from prototype through production.

The following is a list of the services and products 

We offer:
• Metal Core PCB
• Thermal PAD MCPCB
• Aluminum PCB
• Copper based PCB
• Double sided Aluminum PCB

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