What is flexible aluminum pcb?

Flexible aluminum PCBs are a type of printed circuit board that are made of a thin layer of aluminum foil that is coated with a layer of insulating material.

The aluminum foil is flexible, which allows the PCB to be bent or twisted into different shapes and configurations.

This makes them ideal for use in applications where space is limited or where the PCB needs to be able to conform to a specific shape or surface.

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

What Is flexible aluminum pcb?

Flexible aluminum PCBs are often used in high-temperature applications, as the aluminum foil is able to dissipate heat more effectively than other materials.
They are also resistant to corrosion and can be used in harsh environments. Some common applications for flexible aluminum PCBs include LED lighting, automotive electronics, and medical devices.

Overall, flexible aluminum PCBs offer a number of advantages over traditional rigid PCBs, including greater flexibility, better thermal performance, and increased durability.
They are also more cost-effective than other types of flexible PCBs, making them a popular choice for a wide range of applications.

Types of flexible aluminum pcb

  1. Rolled Aluminum Substrates:
    These are the most common type of flexible aluminum substrates and are made by rolling aluminum sheets to a desired thickness.
    They are available in various thicknesses and can be easily bent or shaped to fit different applications.
  2. Aluminum Foil Substrates:
    These are thin, lightweight, and flexible aluminum substrates that are made by rolling aluminum into thin sheets.
    They are commonly used in electronic devices, such as capacitors, transformers, and printed circuit boards.
  3. Aluminum Mesh Substrates:
    These are flexible aluminum substrates that are made by weaving aluminum wires into a mesh pattern.
    They are commonly used for applications that require high strength and durability, such as in automotive and aerospace industries.
  4. Aluminum Coated Substrates:
    These are flexible aluminum substrates that are coated with a layer of aluminum oxide or other materials to improve their performance.
    They are commonly used in applications that require high thermal conductivity, such as in heat sinks and LED lighting.
  5. Aluminum Laminates:
    These are flexible aluminum substrates that are made by laminating aluminum sheets to other materials, such as paper or plastic.
    They are commonly used in packaging and printing applications, such as in food packaging and labels.

Where is the flexible aluminum substrate used?

Flexible aluminum substrates are used in a variety of applications including flexible printed circuit boards (PCBs), RFID antennas, LED lighting, and solar cells.
They are also used in the aerospace and automotive industries for lightweight and flexible components.

The role of flexible aluminum substrate

The role of flexible aluminum substrate is to provide a flexible and lightweight base for electronic components and circuits.

It is a thin and flexible sheet of aluminum that can be bent, twisted, and shaped to fit into various applications. The substrate provides a stable and durable base for electronic components, allowing them to function properly and reliably.
It also helps to dissipate heat from the components and provides electrical insulation between different layers of the circuit.
Flexible aluminum substrates are essential for the development of flexible and wearable electronics, where traditional rigid PCBs are not suitable.

Applications Of flexible 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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