The benefits of ceramic PCBs

5 min read
27 December 2022

Aluminum nitride, silicon carbide, and other materials are used in the production of ceramic PCBs. There is a ceramic PCB that is suitable for you, regardless of whether you need to build a PCB for a high-temperature application or a thin film for a lower-temperature application.

ceramic thick film

In comparison to their rivals, ceramic PCBs provide a variety of benefits. High heat conductivity, superior mechanical intensity, and improved stability are some of them. Additionally, they are more versatile, which makes them more beneficial in a variety of businesses.

For electrical equipment that is used in hostile settings, ceramic PCBs are a great option. Chemical corrosion is well-resisted by the substance. This qualifies it for equipment like transformers. They need to be handled carefully because they are fragile as well.

You might want to think about employing a rapid prototyping service if you need a ceramic PCB. You can also design your own prototype as an alternative. You can do this by investing in a top-notch PCB design tool.

Printing gold or dielectric paste over a ceramic basis results in the creation of a thick film ceramic PCB. No thicker than 13 microns should be used for the conductor layer. The top layer of the PCB is adhered with a solder mask after the paste is printed.

a high degree

A ceramic PCB is the best option if you want a PCB with strong heat conductivity. They are extremely resistant to static electricity and lightweight. They are therefore perfect for equipment like transformers and capacitors.

Different components can fit on ceramic printed circuit boards (PCBs). In order to accommodate more electronic components, they can be thick. High temperatures can cause copper to oxidise, but a thick ceramic layer prevents this from happening.

Both high and low temperatures can be employed with these PCBs. They are appropriate for use in electrical, medical, and aviation systems. These circuit boards come in a variety of forms, but the high-temperature co-fired ceramic PCB is one of the most popular. Other PCBs are not made the same way as this one.


One of the most popular options for electronic components is alumina Ceramic PCBs. They can quickly disperse heat due to their strong thermal conductivity. They can also offer superior insulation and mechanical strength. They can tolerate extreme environmental conditions thanks to their great thermal resistance. They are frequently utilised in power electronics for these reasons.

The advantages of ceramic materials over metals are numerous and include enhanced electrical insulation, increased thermal conductivity, and superior solderability. They are perfect for multi-layer packing because of these qualities. A multi-layer circuit board with a ceramic substrate, for instance, may withstand shock and vibration better than a circuit made of metal.

The strong mechanical strength of ceramic materials provides an additional advantage. For applications like brake systems and injection systems, this is a considerable benefit. Compared to FR-4 boards, ceramic PCBs have better thermal resistance.

The benefits of ceramic PCBs

Nitrided aluminium

Numerous industrial uses exist for aluminium nitride Ceramic PCBs. In the fields of electronics, communications, and power modules, they function quite well. The PCB is advantageous for cooling and thermal dissipation because of its high conductivity.

PCBs made with aluminium nitride feature excellent electrical insulation. Aluminum nitride PCBs can attain greater heat conductivity than FR-4 PCB. Because of this, they are more suited for high-temperature applications.

PCBs made on aluminium nitride also have outstanding mechanical qualities. Because of its durability and resistance to corrosion, it is a valuable material for many industries. Its manufacture is more difficult, though.

Aluminum nitride PCBs are more expensive than regular PCB boards. Additionally, compared to alumina ceramic plates, the ceramic substrate of aluminium nitride PCBs is more expensive.

The most used substrate in the electronics sector is alumina ceramic. Additionally, it is mechanically strong and has good insulation. As a result, it is frequently utilised in the packaging of power and microelectronic modules.

crystalline silicon

A form of printed circuit board with silicon carbide characteristics is called a silicon carbide ceramic PCB. These boards feature excellent corrosion resistance, high thermal resistance, and superior electrical and thermal conductivity. They are employed in applications where it is crucial that they are temperature resistant.

The substance silicon carbide is available as a crystalline powder. It is not water soluble. It is hence perfect for PCBs. Thin copper layers less than 20 mm thick can be used to create ceramic PCBs. The ceramic substrate is next directly connected to the copper foil.

For many sectors that need high-temperature boards, ceramics are appropriate. For instance, adopting ceramic PCBs can be advantageous for companies that utilise laser beams. These PCBs also feature a low expansion coefficient and dielectric constant.


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