16+ Years Experience in Aluminia PCB Manufacturing

  • Material: Aluminium Oxide (Al2O3 96%)
  • Thermal Conductivity: >=18W/m‧K
  • Operating Temperature: upto 350°C
  • Coefficient of Thermal Expansion (CTE): 6.0 ppm/°C
  • ISO9001:2015, ISO 13485:2016 Certified & UL Listed
  • Superior high-frequency performance
  • Water Absorption: 0%

A Brief Introduction to Alumina PCB

Alumina PCB is a circuit board made with alumina ceramic as the substrate material. Alumina PCBs are known for their superior performance, high thermal conductivity and excellent durability in harsh environments. In addition, given that Alumina substrates offer higher electrical insulation than traditional FR4 materials, Alumina substrate PCBs are ideal for applications that require extreme operating temperatures or need to meet tight tolerance requirements. In Viaison, we manufacture high-quality Alumina PCBs that satisfy customers’ needs.

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    Viasion’s Advantages as A One-Stop Alumina PCB Manufacturer

    1
    Experienced and professional staff

    Viasion has a team of experienced engineering personnel and a professional sales team, many of whom have more than 15 years of experience in PCB manufacturing.

    2
    High-quality products

    Viasion has been producing top-quality Alumina PCB since 2007. We have an international advanced quality management system, such as ISO9001:2016. We adopt advanced technology to ensure the production of stable and reliable performance products.

    3
    Cost competitive

    Utilizing our strong supply chain and experienced purchasing, engineering, quality and production team, we can always supply alumina PCBs at competitive pricing.

    4
    Quick delivery

    Our standard lead time is two weeks for alumina PCBs, and we can also supply quick turn production by your requirement.

    5
    Unchanging commitment

    Through our relentless efforts, we can provide low-cost alumina PCB manufacturing in our company. We try to think out various methods to reduce the cost, but always stick to the high-quality standard since the management of quality and cost is very essential.

    The Applications of Alumina PCBs

    • Automotive products
    • LED lighting products
    • High-power semiconductor modules
    • High-power semiconductor modules
    • Solar cell
    • Telecommunications devices
    • High power semiconductor electronic module
    • Sensors
    • LED chip (high power)
    • High-temperature electronic devices
    • High voltage/high-frequency applications

    The Benefits of Using Alumina PCBs

    Viasion summarizes the following benefits.
    • They are highly heat resistant, ensuring components and boards’ safety.
    • Alumina substrate PCBs have excellent insulation properties, making them ideal for high-voltage applications.
    • They can handle higher power densities than other printed circuit boards.
    • Alumina substrate PCBs offer superior mechanical strength, allowing for a thinner board design with fewer layers.
    • They provide better thermal conductivity when compared to traditional FR4 materials, resulting in improved thermal management.
    • Alumina substrate PCBs are lightweight yet strong and durable enough for extended use, even in harsh environments.
    • They are cost-effective and highly reliable, making them an excellent choice for various applications.

    Tips for Selecting Alumina PCBs

    You may wonder how to select printed circuit boards produced by Alumina properly. Here are some tips to consider when selecting them, summarized by Viasion.

    • 1. Understand your requirements: Alumina substrate PCBs come in different sizes, shapes, features, and functionality. So first, it is essential to understand your needs to select the right Alunina boards for your application. By the way, Viasion is good at producing different kinds of PCBs.
    • 2. Consider the operating environment: they are designed to operate in specific environments. Therefore, when selecting Alumina substrate PCBs, it is vital to consider the working environment to ensure that the Alumina printed circuits is suitable for your application.
    • 3. Choose the best material: they are usually constructed from Alumina and other metal alloys such as copper, tin, silver or gold. Choosing the suitable material for Alumina boards is crucial to ensure optimal performance and reliability. Viasion promises to use the best material to make Alumina substrate PCBs.
    • 4. Consider the manufacturing process: they are manufactured using different processes such as milling, drilling, lamination, etching and plating. It is essential to consider the manufacturing process to ensure that Alumina substrate PCBs are made to the highest quality standards. Viasion will conduct the proper manufacturing process for Alumina printed circuit boards.
    • 5. Check For Quality Assurance: They should be tested for quality assurance before being used in any application. You can rest assured that Alumina PCBs made by Viasion meet the required standards and are suitable for use in a particular application.
    • Considering these tips, you can select Alumina substrate PCBs that suit your needs best. Viasion is confident that we can provide high-quality PCB with Alumina material which will satisfy your requirements.

    Alumina PCB Design Considerations

    Regarding designing PCB made by Alumina material, Viasion sums up several factors to consider:

    Alumina substrates can withstand higher power dissipation than other substrates due to their excellent thermal properties.
    Alumina has very low dielectric losses, good electrical insulation characteristics, and high mechanical strength and stiffness, making it suitable for various applications.
    Alumina is available in a variety of trace geometries which can be customised to meet specific design requirements.
    Alumina has very high thermal conductivity and can effectively dissipate heat from components, enabling efficient operation at higher power levels.

    Alumina can withstand high temperatures, making it ideal for applications requiring sustained elevated temperatures.

    Alumina PCB design requires careful consideration of these factors and other important considerations, such as the cost of production and materials.

    Alumina PCB Manufacturing Process

    According to Viasion‘s experience, the manufacturing process begins with selecting an appropriate Alumina material as required by the board’s design requirements. The Alumina is then cut and formed into the desired PCB shape with a CNC machine. Next, holes are drilled into the Alumina to accommodate components and conductive tracks. Once all components have been mounted onto the Alumina printed circuit boards, it is ready to be soldered. This step can be done by hand or with an automated soldering machine. Finally, the Alumina PCB is tested to ensure it meets the expected specifications before being shipped out.

    Challenges in Alumina PCB Production

    Alumina substrate PCBs require Alumina ceramic as a base material, a specialized ceramic type with limited availability due to its high processing costs and challenging manufacturing process. It would not be accessible to source Alumina ceramic in large quantities, which is necessary for the production.
    Alumina ceramic requires extremely high temperatures during production, making Alumina boards more expensive to produce than traditional PCBs. Additionally, the specialized equipment used to manufacture them can be costly, increasing production costs.
    Alumina substrate PCBs are designed and manufactured differently than traditional PCBs due to their higher temperatures and more specialized components. Designers must take additional precautions when designing Alumina printed circuits to ensure the proper performance of the product. Making this kind of PCBs requires technical knowledge and equipment, and the process is more expensive than traditional PCB production.

    Alumina PCB Cost

    The cost of an Alumina PCB will depend on its size, complexity, and the number of layers involved in its design. Generally speaking, Alumina printed circuit boards are more expensive than traditional FR-4 PCBs due to their specialized production process and higher material costs. However, Alumina substrate PCBs can be used for many different applications, from consumer electronics to aerospace devices, and the price is usually worth it for their unparalleled strength and durability.
    Let’s take a glimpse at the following factors affecting the cost of Alumina PCB.
    • Size
    • Complexity of design
    • Number of layers in design
    • Production process
    • Materials used in production
    • Application or purpose
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    Viasion Technology is your trusted partner & one-stop shop for PCB fabrication, components sourcing, PCB assembly and electronic manufacturing. With more than 16 years of experience, we have been supplying high-quality PCBs with competitive pricing for 1000+ customers worldwide. Our company is ISO9001:2015 Certified & UL Listed, and all our products are 100% E-tested and inspected by AOI & X-RAY to meet the highest industry standards. So please get an instant quote from our sales team now, and we will take care of the rest.

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    Frequently Asked Questions

    Alumina PCBs are circuit boards made up of aluminum oxide ceramic.

    Alumina PCBs have some advantages over traditional glass-epoxy PCBs. Take, for example, the following ones.

    • Excellent thermal conductivity.
    • Good machining properties.
    • Alumina PCBs are much more durable.
    • Alumina substrate PCBs are also much lighter.
    • Alumina PCBs have excellent electrical insulation properties.

    When designing an alumina PCB, we need to consider the following points.

    • Alumina PCBs are always used in applications that need excellent thermal conductivity.
    • Alumina PCBs are suitable for applications where no mechanical strain will be applied.
    • Alumina substrate PCBs must be designed with proper cooling in mind by combining heat sinking or thermal vias.
    • Designers must use carefully chosen components to avoid component cracking.
    • Designers should also understand that alumina PCB material is much more expensive than FR4 materials

    Unique processes and techniques are needed in the production of Alumina PCBs. Besides, an experienced production and engineering team is significant.

    Semiconductor, Automotive Electronics, Aerospace, Transportation, Medical electronics, Military applications, Telecommunications, Consumer electronics, etc. 

    Our stand lead time for alumina PCBs is 1-3 weeks. The lead time varies from requirements for an alumina PCB, such as the material type,  board size, order quantity, layers and complexity.

    The following factors determine the cost of an alumina PCB.

    • The type of the base laminate
    • The thickness of the alumina substrate
    • The layer count of alumina PCB
    • Layup structure
    • The weight of the copper foil
    • Surface Finish Types
    • The quantity of the order
    • Shipping cost