what is Alumina PCB?
Typically, ceramic printed circuit boards have two main substrates. Alumina is the first, while Aluminum Nitride is the second. In addition to being the most often used material for printed circuit boards, alumina is also regarded as the best material when applied on ceramic substrates.
Ceramic material is used in Alumina PCBs to support multilayer packages. To guarantee that the linkages are successful, this adds strength, excellent electrical characteristics, good hermeticity, high density, and good thermal conductivity.
Alumina PCB properties:
- Thermal expansion conefficient(ppm/K): 7.4 (under 50~200C)
- Breakdown Voltage (KV/mm): 15/20/28 for 0.25mm/0.63mm/1.0mm respectively
- Max compression strength: >7,000 N/cm2
- Thermal conductivity value: 24W~28W/m-K (Al2O3); 150W~240W/m-K (ALN) , 220~250W/m-K ( BeO)
- Application temp: -55~850C
- Conductors material: Plating Cu, silver palladium (AgPd), gold pllladium (AuPd); DCB (Direct Copper Bonded)
- Base material : 96% or 98% Alumina (Al2O3), Aluminum Nitride (ALN), or Beryllium Oxide (BeO)
What can Alumina PCB use to make?
Alumina PCB are widely used to make below products:
- waterproof Street light
- High-power LED Chip
- Anti-block Braking system
- Resistor Card
- Transmitter modules
- Injection system
- Braking system
- LED chip (high power)
- High power semiconductorelectronic module
- Telecom device
- Solar cell
- Street light
Advantage of Alumina PCB
Alumina Oxide is the most typical ceramic material used in ceramic PCBs. It uses little volume, which makes it perfect for producing small-scale prototypes, samples, and programs. This will greatly aid in accelerating and upgrading business development.
The solutions with medium and large volume can also be successful. This guarantees that the production process has affordable prices. This guarantees that businesses may change their supply chain and footprint depending on the level of output.
There some of advantages of alumina PCB below:
- Due to integration and the potential for multilayer applications, the package size decreases.
- offers minimal density and excellent gliding characteristics.
- Having materials that are sufficiently hard assures a modest level of heat conductivity.
- It has excellent thermal properties that range from (22 to 24 W/mK).
- increased efficiency for high-frequency applications
- It operates at a temperature that ranges from 350 to 1500 degrees centigrade, which is rather high.
- Unmatched wear and corrosion resistance are enhanced by alumina.
- Its lower expansion coefficient (6 to 8 ppm/degree Celsius) results in less stress on the solder junctions.
- It has a strong compressive capacity.
- Ensures that the printed circuit boards made of ceramic have typical mechanical strength.
- excellent electrical insulation is provided.
- The metal costs less than other metals.
- It is made of a sturdy, hard material, which increases durability.
- provides adequate light reflection due to the contrast of the white hue.
- restricted gas release.
- 0% water absorption is ensured via hermetic packaging.
Alumina PCB features:
Alumina is a crucial component used in the production of printed circuit boards, as was previously noted.
Compared to other choices on the market, the Alumina PCB’s material characteristics are different. It has a number of ceramic parts. Additionally, when compared to metals or materials that are fire-resistant, its material qualities are distinct.
This explains why the production method for Alumina metal core PCB differs from that of the competition. As a result, the printed circuit board industry uses ceramic or Alumina for a specific purpose.
Alumina is the greatest material to use in places where other printed circuit boards won’t fit well. The stiff and durable alumina PCB materials provide excellent support for the board’s components.
This alternative will be excellent to include and put on the surface of the PCB. It performs well when compared to rival products. This covers the heat conductivity of the materials.
Additionally, compared to certain other materials, the uniformity of the temperature is higher. One drawback is that occasionally the material may become more expensive than the standard materials. When you utilize it for high-end, inescapable gadgets, this is typically the case.
It has become the most demanding and commonly used ceramic PCB due in part to its strong thermal dielectric, excellent high-frequency performance, and minimal expansion. The majority of high frequency devices, medical circuits, LED boards, sensor modules, and equipment needed for heating and cooling use this.
Why Alumina PCBs popular?
Adaptability : Metal core is used in the engineering process of ceramic PCB. As a result of its remarkable wear resistance and ability to transform into rigid carriers, it may be employed in a variety of industrial settings and is simple to use between fluids and solids.
Versatility: It should come as no surprise that using a metal core PCB may achieve many applications with a high melting point. Sintering technique allows for the creation of very reliable conductors from noble metal paste. Since various devices require varying operating temperatures, there is no question that using ceramic PCB contributes to high processing temperatures. What’s intriguing is that it also enables efficient heat dispersion to various positions of a device and high thermal conductivity.
Stability: Due to the usage of Ceramic PCB, the dielectric property is steady, and the balance may transform into a restricted radio frequency loss, expanding the applicability of electronic devices. Additionally, due of the ceramic foundation PCB, ceramic has an inherent resilience to the majority of chemicals utilized, despite its apparent hardness. As a result, the chemical resistance will be replaced with resistance to everyday moisture, solvents, and consumables.
Durability: The technique used to fabricate ceramic PCBs is durable. Because of the fundamental qualities of ceramics, particularly their durability, your board will be protected from normal wear and tear. Ceramic PCBs may be changed without having to worry about needing to be replaced anytime soon because they age very slowly and have the consistency of based PCBs. Additionally, it has a strong temperature resistance due to its ability to switch to a delayed breakdown process, extending its useful life.
Why Choose your for your Alumina PCBs project?
Given the benefits printed circuit boards provide and the various sectors you may use them in, you might be curious in what the top manufacturers can do for you. The fantastic services we can provide you with are listed below.
excellent engineers team work for you
We are top manufacturers with a knowledgeable team that are prepared to help you get the best Alumina PCB for all of your goods. You may relax knowing that our team has your needs in mind and has the necessary expertise to produce excellent outcomes.
Help you optimize Alumina PCB design
As a leading manufacturer of Alumina PCBs, our team employs a Design Rule Check. This enables them to make sure that the boards consumers get have been appropriately space-optimized. You may be certain that your board will be laid out optimally with the help of this DRC program.
quality Alumina PCB assurance
We are a reputable manufacturer with a method for monitoring PCB quality. This is only to guarantee that consumers only receive boards of the highest caliber. They also have a quality control staff that keeps an eye on all phases of the Alumina PCB’s creation. By doing this, they are certain to fulfill both the customer’s and the industry’s needs.
PCB DFM free of charge
For your printed circuit board, a reputable manufacturer will employ design for fabrication. This only ensures that the production of the Alumina PCB proceeds smoothly and successfully in accordance with the standards for product quality and design. You may reduce costs, shorten the time it takes for your product to reach the market, enhance PCB performance, and raise PCB safety and compliance by making modifications to your production design. This service is offered without charge by us.