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Single Sided Aluminum PCB Manufacturing Service
Aluminum PCB Manufacturer
YIZHUOPCB is a professional PCB manufacturer providing Single Sided Aluminum PCB manufacturing service. Our Single Sided Aluminum PCB features excellent heat dissipation performance, high strength, and lightweight, making it suitable for a wide range of applications. Contact us for more information.

A single-sided aluminum PCB has a bare aluminum base plate as the core, with a layer of dielectric laminate and copper traces on one side. The aluminum base plate is typically 0.5mm to 3mm thick and made of aluminum alloys like 5052, 6061, or 7075 for optimal thermal and mechanical performance. The dielectric layer is screen printed or bonded to the aluminum, followed by copper patterning to form the circuits.

Compared to other types of PCBs, Single Sided Aluminum PCB has the following differences:

1. Unlike double-sided or multilayer PCBs, it has only one copper foil circuit layer.
2. The aluminum substrate provides better heat dissipation performance due to its excellent thermal conductivity.

3. Single-sided aluminum PCB is typically used in electronic devices that require high power handling and heat dissipation, such as LED lighting, automotive electronics, and computer equipment.


Due to the unique properties of the aluminum substrate, single-sided aluminum PCB has a wider range of applications and higher reliability, especially in applications where excellent heat dissipation performance is required.

What is Single Sided Aluminum PCB?
Reliable Aluminum PCB Manufacturer
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Single Layer Aluminum PCB Stack up & Structure.
Single Sided Aluminum PCB Stack up
Single Sided Aluminum PCB stack up refers to the arrangement of the layers in the PCB. As the name suggests, single sided aluminum PCBs have only one copper foil circuit layer on one side of the aluminum substrate.

The stack up for a single sided aluminum PCB typically includes the following layers:

1. Copper Foil Circuit Layer: This layer contains the circuit pattern that is used to connect the various electronic components.

2. Dielectric Layer: This layer is made up of a non-conductive material, such as epoxy or polyimide, and is used to insulate the copper circuit layer.

3. Aluminum Substrate Layer: This layer serves as the foundation of the PCB and provides excellent thermal conductivity for efficient heat dissipation.

The stack up for a single sided aluminum PCB is relatively simple compared to other types of PCBs. However, it is still important to ensure that the stack up is designed correctly in order to achieve optimal performance and reliability.
Advantages of Single Layer Aluminum PCBs
Single Sided Aluminum PCB has excellent performance and reliability, suitable for applications that require high power handling and excellent thermal performance

Excellent thermal performance
The aluminum substrate provides excellent thermal conductivity, which efficiently transfers heat from the circuit board to the surrounding environment, preventing damage to the circuit board due to overheating.
Benefits of Single Layer Aluminum PCB
High strength and rigidity
The aluminum substrate is a sturdy material that provides good mechanical support and protects the electronic components on the circuit board.

Easy to manufacture and assemble
Due to the single copper foil circuit layer, the manufacturing and assembly process for Single Sided Aluminum PCB is relatively simple, reducing production costs and time.

High reliability
With stable mechanical support and excellent thermal performance provided by the aluminum substrate, Single Sided Aluminum PCB has higher reliability, enabling it to operate in harsh environments.
Lightweight
Aluminum substrate is lighter than traditional fiberglass boards, reducing the weight and volume of the entire electronic device.

Single Sided Aluminum PCBs are widely used in various electronic applications that require high thermal conductivity and reliability. Some common applications of Single Sided Aluminum PCBs include:

LED Lighting


Single Sided Aluminum PCBs are used in LED lighting products because they can efficiently dissipate heat generated by high power LEDs, ensuring long-term reliability and stability.

Applications of Single Layer Aluminum PCB

Power Electronics


Single Sided Aluminum PCBs are used in power electronics, such as inverters, converters, and motor drives, where high power density and efficient thermal management are required.

Automotive Electronics


Single Sided Aluminum PCBs are commonly used in automotive electronics, such as power controllers and engine management systems, where high temperature resistance and durability are critical.

Computer and Telecom Equipment


Single Sided Aluminum PCBs are used in computer and telecom equipment, such as power supplies, routers, and switches, where they provide efficient thermal management and improved reliability.

Single Layer Aluminum PCB Manufacturing Process
The manufacturing process of Single Sided Aluminum PCB typically includes the following steps:

1. Material preparation: Prepare materials such as aluminum substrate, copper foil, drilling plate, etching solution, deposition solution, etc.

2. Copper foil lamination: Paste the copper foil onto the aluminum substrate and firmly fix it on the substrate through a hot pressing process.

3. Graphic drawing: Use printing plate-making technology to draw circuit graphics and component installation positions on the copper foil.

4. Drilling: Use automatic drilling machines or mechanical drill bits to drill holes at specified positions for the next step of circuit board connection.

5. Etching: Put the circuit board into an etching solution to remove unwanted copper foil, leaving only the required circuit paths.

6. Deposition: Deposit a protective coating on the circuit board to protect it from environmental impacts and mechanical damage.

7. Final inspection: Use professional testing equipment to test key parameters such as electrical performance, mechanical strength, and temperature resistance to ensure that the circuit board quality meets the requirements.

8. Cutting and punching: According to customer requirements, use cutting tools and drilling machines to cut the circuit board into the specified size and shape.

9. Packaging and shipping: Package the circuit board, mark it according to customer requirements, and ship it.

At YIZHUOPCB, we are a professional aluminum substrate PCB manufacturer providing high-quality aluminum core PCB manufacturing services. We strictly control every step in the production process to ensure high-quality products.

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At YIZHUOPCB, we take pride in being your go-to PCB partner for aluminum PCB manufacturing. We offer a wide range of aluminum PCB manufacturing services, including single-sided aluminum PCB, double-sided aluminum PCB, multilayer aluminum PCB, and flexible aluminum PCB.

Our manufacturing process for aluminum PCBs is carried out with the utmost precision and attention to detail. We use only high-quality materials and advanced equipment to ensure that our products meet the highest standards of quality and reliability.

In addition, our experienced engineers and technicians are always available to work with you throughout the entire manufacturing process, from design to delivery. We are committed to providing you with personalized service and support to ensure that you get the best possible results.

So if you’re looking for a reliable partner for your aluminum PCB manufacturing needs, look no further than YIZHUOPCB. Contact us today to learn more about our services and how we can help you with your next project.
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