Aluminum Nitride Ring

Aluminum Nitride Ring

Aluminum Nitride Ring

Purity: 95%-99%

  • Custom sizes and standard sizes in stock
  • Quick Lead Time
  • Competitive Price

Aluminum Nitride Ring is a high-performance ceramic material with exceptional thermal conductivity, electrical insulation, and high-temperature resistance. It is widely used as an insulating component and wear-resistant sealing ring. As a leading supplier and manufacturer of premium alumina products, Shanghai Yuepeng can supply high-quality aluminum nitride rings with various specifications and competitive prices, offering customized solutions to meet specific requirements.

Aluminum Nitride Ring Data Sheet

Reference Code:HM1921
Purity:95%-99%
Density:3.32 g/cm3
Appearance:Dark Gray / Light Gray / Beige

Aluminum Nitride Ring Description

Aluminum Nitride Ring is made from high-purity aluminum nitride ceramic, possessing exceptional thermal conductivity (170-230 W/m·K), excellent electrical insulation, and high-temperature resistance (up to over 1000℃). Shanghai Yuepeng can supply customized solutions in diameter, thickness, and surface finish to meet diverse industrial and research requirements.

Aluminum Nitride Ring 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 Ring Applications

  • Semiconductor Equipment: Used as insulating and structural parts in wafer processing and packaging, thanks to its high purity and thermal conductivity.
  • Power Electronics: Serves as a heat-dissipating and electrically insulating ring in high-power modules and converters.
  • Vacuum and Plasma Systems: Functions as a stable insulating component in high-vacuum and plasma processing environments where thermal and chemical resistance are required.
  • LED and Optoelectronics: Applied in LED packaging and optoelectronic devices to manage heat flow and maintain electrical isolation.
  • Aerospace and Automotive: Acts as a durable structural and insulating ring in systems exposed to extreme thermal cycling and mechanical stress.

Aluminum Nitride Material Properties

PropertyUnitHMAN1000HMAN2000HMAN3000HMAN4000HMAN1000S
Densityg/cm33.323.323.323.303.30
Young’s ModulusGPa 300-350300-350300-350300-350350
Fracture Toughness KICMPa m1/23332.53
Poisson’s Ratio 0.220.220.220.220.22
Compressive StrengthMPa30003000300030003000
Flexural Strength @ 25°CMPa350350350350350
HardnessGPa1010101211

PropertyUnitHMAN1000HMAN2000HMAN3000HMAN4000HMAN1000S
Thermal Conductivity @ 25°CW/mK170200230200170
CTE 25°C ➞ 400°C10-6/K4.54.54.53.54.6
Max Temperature (Air)°C12001200120012001200
Max Temperature (Inert)°C12001200120012001200

PropertyUnitHMAN1000HMAN2000HMAN3000HMAN4000HMAN1000S
Dielectric Constant1 MHz8.88.88.58.58.8
Dielectric Loss1 MHz5×10-45×10-45×10-45×10-45×10-4
Dielectric Strength DC @ 25°CkV/mm1515151514
Volume Resistivity @ 25°Cohm-cm >1013>1013>1013 >1014 >1014

Aluminum Nitride Material Grades

HMAN1000 is our standard high purity aluminium nitride with a thermal conductivity of 170 W/mK. This is the same thermal performance as our substrate material but offers the possibility of larger pieces in length/width and in thicknesses up to 30mm.
HMAN1000 has good coefficient of thermal expansion – matched to silicon and gallium nitride over wide temperature ranges.

HMAN100 Applications:

  • High power insulators
  • Laser components
  • Water cooled heatsinks
  • Power electronics
  • Aerospace, medical and semiconductor components

HMAN1000S 170 W/mK is our standard high thermal conductivity substrate material, However, other high-performance grades are also available.

HMAN1000S Applications:

  • Heat sinks
  • Heat spreaders
  • Laser heatsinks power rectifiers
  • Aerospace, power electronics, rectifiers

HMAN2000 is one of our enhanced grades of aluminium nitride, offering all the mechanical performance of HMAN1000 with the enhanced benefits of 200 W/mK thermal conductance.

HMAN2000 Applications:

  • Heat sinks
  • Heat spreaders
  • Laser heatsinks power rectifiers
  • Aerospace, power electronics, rectifiers

HMAN3000 is one of our enhanced grades of aluminium nitride offering, all the mechanical performance of HMAN1000 with the enhanced benefits of 230 W/mK thermal conductance.

HMAN3000 Applications:

  • Heat sinks
  • Heat spreaders
  • Laser heatsinks power rectifiers
  • Aerospace, power electronics, rectifiers

HMAN4000 is one of our enhanced grades of aluminium nitride offering, all the mechanical performance of HMAN1000 with the enhanced benefits of 200 W/mK thermal conductance.

HMAN4000 Applications:

  • Heat sinks
  • Heat spreaders
  • Laser heatsinks power rectifiers
  • Aerospace, power electronics, rectifiers

Aluminum Nitride Ceramic Machining

Aluminum Nitride Ceramic Machining

Aluminum Nitride (AlN) ceramic machining is a precise process used to fabricate high-performance components from aluminum nitride materials. Machining aluminum nitride ceramics requires specialized equipment and techniques to handle their brittleness and hardness. Proper tooling and controlled environments are essential to avoid material damage and achieve the desired surface finish and dimensional accuracy. The common machining methods are as follows:

  • Diamond Cutting: Diamond tools are used to achieve fine precision and smooth surface finishes, ideal for complex shapes.
  • Laser Cutting: A non-contact method used for intricate shapes, with high precision and minimal thermal impact.
  • Precision Grinding: Utilized to achieve fine tolerances and surface finishes. Requires special care to prevent cracking or chipping due to the ceramic’s brittleness.
  • Wire EDM (Electrical Discharge Machining): A method often used for intricate cutting, especially for thin and complex geometries.

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.

ceramic packing

Get A Quote

We will check and get back to you in 24 hours.

To customize your aluminum nitride ring, please provide the following details:

  1. Dimensions: Inner Diameter x Outer Diameter x Height (thickness)
  2. Material Grade: Specify the material grades.
  3. Purity of the material
  4. Tolerances: Specify the tolerances you can apcept.
  5. Surface Finish: polished, rough, etc.
  6. Quantity of the rings you need
  7. Alternatively, you can provide a drawing with your specifications.

Once we have these details, we can provide you with a quote within 24 hours.

We carry a wide variety of aluminum nitride products in stock, and for these, there is generally no minimum order requirement. However, for custom orders, we typically set a minimum order value of $200. The lead time for stock items is usually 1-2 weeks, while custom orders usually take 3-4 weeks, depending on the specifics of the order.

Unlike alumina or quartz, aluminum nitride ring combines high thermal conductivity with excellent electrical insulation, making it especially suitable for high-performance electronic and optoelectronic applications.

Yes, aluminum nitride ring performs well in vacuum and plasma systems due to its chemical stability, low outgassing, and resistance to harsh processing conditions.

Shanghai Yuepeng Tech, established in 2022 in Shanghai, China, is a specialized supplier and manufacturer of aluminum nitride products. With extensive expertise in supply and export, we offer competitive pricing and customized solutions tailored to specific requirements, ensuring outstanding quality and customer satisfaction. As a professional provider of refractory metals, specialty alloys, spherical powders, and various advanced materials, we serve the research, development, and large-scale industrial production needs of the scientific and industrial sectors.

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