Aluminum Nitride (AlN)

Aluminum Nitride (AIN) is a solid compound made of nitrogen and aluminum.

AIN’s high thermal conductivity is very efficient (generally up to 230W/(m-K), making it appropriate for heat dissipation applications. These applications are vital in automotive, electronics, industrial, aerospace, and medical fields. Its low thermal expansion characteristic is similar to that of silicon, making it an ideal material for electrically insulating, non-toxic substrate materials in hybrid, power, and microwave electronics applications. Additionally, AIN is a hard, durable material and is typically used in semiconductor substrates, heat sinks, and power electronics.

Aluminum Nitride Ceramic

Aluminum Nitride Ceramic is the ideal material choice when high thermal conductivity and electrical insulation are required. Aluminum Nitride offers a combination of high dielectric strength, excellent electrical insulation properties, and low thermal expansion. AlN is optimal for hybrid, power, and microwave electronics applications where an electrically insulating, non-toxic substrate material is needed. It is the perfect material for a wide range of uses in the growing semiconductor, aerospace, defense, and medical industries.

Aluminum Nitride Properties:

• Alternative material to Beryllium Oxide BeO (Hazardous material)
• Chemical Resistance
• Dielectric properties
• High Thermal Conductivity
• High Thermal Stability
• Low Coefficient of Thermal Expansion
• Low Thermal Expansion
• Metallization Properties
• Plasma Resistance

Aluminum Nitride Mechanical, Thermal, and Electrical Properties

*All properties are room temperature values except as noted.

This data is representative of typical values of commercially available material and is for comparative purposes only. The values given are not to be interpreted as absolute properties of the material, nor will Valley assume any legal liability or warranty. The user shall determine the suitability of the material for its intended use and assumes all risk and liability.

Aluminum Nitride Products & Applications

• Aluminum Nitride Ceramic Substrates
• Chamber Fixture and Insulators
• Chamber Rings
• Circuit Boards
• Circuit Carrier Substrates
• Double-Sided Cooling
• Heatsinks
• IC Packaging
• Lasering Components
• LED Applications / LED Ceramics
• Metallized AlN Substrates
• Microwave Device Packages
• Optoelectronic Laser Substrate
• Power Transistor Bases
• Rectifiers
• Semiconductor Heaters
• Setter Plates
• Sintering Trays
• Sputtering Targets
• Thermal Management

Aluminum Nitride CNC Machining

With our 4 and 5-axis CNC equipment, Valley Design’s technicians are experts in CNC machining Aluminum Nitride, bringing 50 years of experience in lapping, polishing, dicing, grinding, and machining Aluminum Nitride ceramics. We produce Aluminum Nitride ceramic components with ground, lapped, and polished surface finishes.

Our machines can process the following:

• Blocks
• Chucks
• Complex Shapes
• Plates
• Rings
• Shims
• Spacers
• Substrates
• Wafers

We provide aluminum nitride blanks that can be lapped, polished, diced, or CNC machined to your specifications. Additionally, we have thousands of finished substrates available in various sizes and thicknesses, ready for shipment.

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