Aluminum Nitride PCB

Superior performance in thermal conductivity and reliability

Aluminum Nitride (AlN) is currently the best ceramic substrate material accessible. Because of its properties of high thermal conductivity (170 W/mK) combined with being a strong dielectric and a low expansion rate (CTE) make it the material of choice today as a substrate or package for high-power LEDs, ICs, sensors and many other components and circuits.

We can supply Aluminum Nitride PCB with either printed silver (Ag) or copper (Cu). The choice for one or the other conductor depends on the application, your experience with ceramics, circuit layout, assembly, and cost. Thanks to our experience in the field, we can help you make the right choice for your design.

At CERcuits, we offer two solutions
– C-Proto: Our in-house solution which is perfect for samples, prototypes, and small-volume programs. PCBs are made in Belgium at a quick turnaround without the need for any tooling. Speeding up your development while reducing your budget. Quotes & orders can be done 100% online via our portal.
– C-Production: Our medium to high volume solution. Together with our production partners, we can ensure competitive pricing, the right manufacturing footprint & tailored supply chain solutions for your volume program.

Other elements of the PCB, like solder, resist and surface finishes, can be applied similarly to regular PCB when copper metallization is used. However, for silver, the manufacturing process uses thick film and can only offer a blue glass solder mask which is recommended for high-temperature designs. For high sulfur environments where silver corrosion can be an issue, we offer Gold plating as a solution to protect the exposed pads.

Aluminum Nitride (ALN) PCB advantages:
  • Superior thermal conductivity 170W/mK
  • Strong dielectric
  • High operating temperature >350ºC possible
  • Low expansion coefficient <4 ppm/C
  • Smaller package size due to integration
  • Hermetic packages possible, 0% water absorption
  • Limited to no outgassing

To learn more about our other ceramic & ceramic PCB solutions. Click on one of the links below:

Contact Us

If you wish to send us an attachment (f.e. drawing/gerber/project brief/…), please use the form on the contact us page.