Aluminum Nitride Washer

Aluminum Nitride Washer is a high-performance component made from advanced ceramic material. It boasts exceptional thermal conductivity, excellent electrical insulation, and good mechanical strength. Resistant to high temperatures and corrosion, it’s widely used in electronics, power modules, and LED lighting to enhance heat dissipation and ensure stable operation, fitting precise assembly needs. NexusX Advanced Materials, as a premier manufacturer and supplier of high-quality aluminum nitride products, focuses on producing high-precision aluminum nitride (AlN) washers through advanced technologies for diverse application fields.

Or email us at [email protected]

Aluminum Nitride Washer Data Sheet

Purity:	95%-99%
Density:	3.32 g/cm³
Appearance:	Dark Gray / Light Gray / Beige
Shape:	Cylinder, Conical Cylinder, Rectangular, T-shape, or Customized according to specific drawings.
Surface Roughness:	Ra: 0.3-0.5 μm
Machining Precision:	0.01 mm

Aluminum Nitride Washer Description

Aluminum Nitride (AlN) Washers are premium, precision-engineered ceramic components renowned for their unique combination of high thermal conductivity (exceeding many traditional ceramics) and outstanding electrical insulation—key traits that make them indispensable in heat-sensitive electronic applications. With robust mechanical strength, excellent resistance to high temperatures (up to 1000°C in inert environments) and chemical corrosion, they effectively transfer heat while preventing electrical leakage. These washers are widely utilized in power electronics modules, LED lighting systems, semiconductor devices, and automotive electronics, where they optimize thermal management, enhance component reliability, and ensure stable long-term operation, even under harsh working conditions. Their dimensional accuracy also allows for seamless integration into precise assembly setups.

Aluminum Nitride Washer Advantages

High thermal conductivity (170-230 W/mK), up to 9.5 times that of alumina.
A thermal expansion coefficient similar to that of silicon (Si).
Superior electrical insulation and lower dielectric constant.
Higher mechanical strength (450 MPa).
Excellent resistance to molten metal corrosion.
High purity and non-toxic.

Aluminum Nitride Washer Applications

Power Electronics Heat Dissipation & Insulation：As core components for IGBT, MOSFET and thyristor power modules, AlN washers act as insulating heat-dissipating gaskets between chips and radiators. They efficiently transfer heat and prevent short circuits, boosting module reliability and lifespan. Typical uses: new energy vehicle drive systems, charging piles, industrial inverters.
Semiconductor Manufacturing Equipment：AlN washers serve as vacuum chamber seals and insulating gaskets for wafer carriers. Stable at over 800℃ and corrosion-resistant, they withstand harsh high-temperature, vacuum processes without contaminating wafers.
High-Power LED Packaging：Embedded in LED packages as thermal media between chips and substrates, AlN washers dissipate heat faster than conventional alumina washers, lowering chip junction temperature and improving LED luminous efficiency and stability. Suitable for industrial lighting and automotive headlights.
Aerospace & Military Electronics：Thanks to their thermal conductivity, insulation and thermal shock resistance, AlN washers work as insulating heat pads for radar, satellite communication and missile guidance systems, ensuring stable operation under extreme temperatures (-200℃~600℃) and high vibration.
Medical High-Frequency Devices：For high-frequency electrosurgical units, MRI accessories and ultrasound equipment, AlN washers isolate electromagnetic interference and dissipate heat efficiently. Their chemical inertness avoids reactions with biocompatible materials.

Aluminum Nitride Ceramic Packaging

Aluminum Nitride Ceramic products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.

Download

FAQ

What are the core advantages of an Aluminum Nitride Washer?

It has ultra-high thermal conductivity, excellent electrical insulation, high-temperature resistance, strong chemical stability, and a thermal expansion coefficient matching silicon and ceramics well.

Which field is the most common application scenario for an Aluminum Nitride Washer?

Power electronics. It is widely used as a heat-dissipating insulating gasket in IGBT, MOSFET and other power modules to enhance device reliability and lifespan.

How does an Aluminum Nitride Washer differ from a traditional alumina ceramic washer?

Compared with alumina washers, it has much higher thermal conductivity, making it more suitable for high-heat scenarios; alumina washers are more cost-effective for low-heat and general insulation needs.

What is the stable operating temperature range that an Aluminum Nitride Washer can withstand?

It can work stably in the range of -200℃ to 800℃, adapting to extreme temperature changes without performance loss.

Can an Aluminum Nitride Washer be used in semiconductor manufacturing processes?

Yes. It can serve as vacuum chamber sealing gaskets and wafer carrier insulating gaskets, resisting corrosion and avoiding metal contamination to wafers.

Get A Quote

Request a personalized quote tailored to your specific requirements.