Overview of High Purity Aluminum Nitride Powder for Electronic Materials

Aluminum Nitride (AlN) ceramic is an advanced technical ceramic material known for its unique combination of extremely high thermal conductivity and excellent electrical insulation properties. Unlike traditional alumina or beryllium oxide ceramics, AlN offers a thermal conductivity close to that of metals like aluminum and copper, while still acting as a robust electrical insulator. It is typically produced via powder processing and sintering, resulting in a dense, hard, and durable material ideal for demanding thermal management applications.

Features of High Purity Aluminum Nitride Powder for Electronic Materials

High Thermal Conductivity: Possesses a theoretical thermal conductivity of up to 320 W/m·K, with commercial grades typically ranging from 170 to 230 W/m·K, effectively dissipating heat in high-power circuits.

Excellent Electrical Insulation: Despite its metal-like heat transfer, it maintains a high volume resistivity and dielectric strength, preventing short circuits and ensuring device safety.

Low Thermal Expansion Coefficient (CTE): Its CTE closely matches that of silicon (Si) and Silicon Carbide (SiC), minimizing thermal stress and improving reliability in semiconductor packaging.

High Mechanical Strength & Corrosion Resistance: It offers good flexural strength and is resistant to attack from many molten metals and chemicals.

Non-Toxic: AlN is a safe alternative to Beryllium Oxide (BeO) ceramics, which pose serious health risks during processing and disposal.

Specification of High Purity Aluminum Nitride Powder for Electronic Materials

High Purity Light Weight Aluminum Nitride Powder for Electronic Products

Product Summary

This light weight aluminum nitride (AlN) powder is created innovative digital applications. It uses outstanding thermal conductivity and strong electrical insulation. The product supports efficiency in high-power and high-frequency devices where warm management matters most.

Pureness and Structure

The powder includes at least 99.9% aluminum nitride. Impurities like oxygen, carbon, and steels are maintained very low. Oxygen stays below 0.4 wt%, while complete metal impurities remain under 50 ppm. This level of pureness guarantees stable habits in sensitive electronic environments.

Physical Attributes

Bits are fine and uniform. Typical fragment dimension varies from 0.5 to 2.0 micrometers. The powder flows well and loads largely, which assists throughout shaping and sintering. Its white to off-white color indicates marginal contamination.

Trick Efficiency Includes

Thermal Conductivity: Provides up to 170– 200 W/m · K in completely densified porcelains.
Electrical Resistivity: Goes beyond 10¹⁴ Ω · centimeters at space temperature.
Dielectric Toughness: Maintains stability above 15 kV/mm.
These traits make it perfect for substrates, warmth spreaders, and protecting layers in power components, LEDs, and RF parts.

Handling and Storage

Store the powder in a dry, covered container away from dampness. Light weight aluminum nitride reacts gradually with water, developing ammonia. Usage handwear covers and eye security during handling. Maintain in a trendy, ventilated location.

Quality Assurance

Every set undergoes rigorous screening using ICP-MS, XRD, and laser diffraction. Certifications of analysis include data on pureness, bit size distribution, and trace elements. Manufacturing follows ISO 9001 requirements to guarantee consistency and dependability.

Applications of High Purity Aluminum Nitride Powder for Electronic Materials

Applications of High Purity Light Weight Aluminum Nitride Powder in Electronic Products

Thermal Monitoring in Power Electronic Devices

High pureness aluminum nitride (AlN) powder is extensively used to make ceramic substrates and warm spreaders. These parts aid relocate warmth away from delicate digital components. AlN has strong thermal conductivity however does not perform power. This makes it ideal for power components, LED motorists, and electric automobile inverters where warmth develops fast.

Substrates for High-Frequency Gadgets

In radio frequency (RF) and microwave applications, signal loss should stay reduced. AlN-based porcelains supply low dielectric loss and steady electrical efficiency at high frequencies. Engineers use them in 5G base terminals, radar systems, and satellite interaction equipment. The product maintains signals clear and gadgets trustworthy.

Shielding Layers in Semiconductor Product Packaging

Modern chips require protection from warmth and electrical disturbance. Slim movies made from high pureness AlN function as insulators in advanced product packaging. They stop brief circuits while permitting efficient heat flow. This is vital for cpus, memory chips, and sensing units utilized in smart devices and data facilities.

Parts for Optoelectronics

AlN also plays a role in light-emitting tools. It works as a buffer layer in ultraviolet (UV) LEDs and laser diodes. Its crystal framework matches well with various other nitride materials like gallium nitride. This helps expand top quality layers that discharge light successfully and last much longer.

Specialized Sensors and MEMS

Micro-electromechanical systems (MEMS) usually require materials that deal with tension and heat without deteriorating. AlN’s piezoelectric homes allow it to convert mechanical energy right into electrical signals. This feature is utilized in pressure sensing units, resonators, and timing tools discovered in vehicle and commercial devices.

High pureness aluminum nitride powder remains a vital enabler throughout many cutting-edge electronic fields. Its unique mix of thermal, electrical, and mechanical characteristics sustains smaller, faster, and much more resilient tools.

Company Introduction

Welcome to Eduloc, a leading global supplier of high-quality ceramic grinding balls. Our product range includes,Mullite Ceramic, Quartz Ceramic, Aluminum Nitride Ceramic, Silicon Nitride Ceramic, Silicon Carbide Ceramic designed for industries such as mining, chemicals, coatings, electronics, and pharmaceuticals. We are committed to providing durable and efficient grinding solutions tailored to our customers’ diverse needs. With advanced manufacturing technology and stringent quality control, our ceramic grinding balls excel in wear resistance, corrosion resistance, and thermal stability. Partner with us for reliable products and exceptional service that enhance your production efficiency and reliability.

If you have any questions, please feel free to contact us.

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of High Purity Aluminum Nitride Powder for Electronic Materials

Frequently Asked Questions About High Purity Aluminum Nitride Powder

What is high purity aluminum nitride powder used for?

This powder is mainly used in electronic materials. It works well in ceramic substrates, heat sinks, and insulating parts. Because it conducts heat fast but does not conduct electricity, it fits many high-performance electronics.

Why does purity matter for this powder?

Higher purity means better thermal conductivity and electrical insulation. Impurities can lower performance or cause failures in sensitive devices. Most electronic uses need at least 99.5% pure aluminum nitride.

How is the powder made?

It is usually made by reacting aluminum with nitrogen gas at high temperatures. Some methods also use carbothermal reduction. After production, the powder goes through strict cleaning and testing to reach required purity levels.

Can this powder be stored safely?

Yes, but it must stay dry. Aluminum nitride reacts with moisture and may release ammonia gas. Keep it sealed in a dry, cool place. Use airtight containers with desiccants when storing long term.

Is this material safe to handle?

It is safe if handled correctly. Avoid breathing the fine dust. Always wear gloves, eye protection, and a mask during handling. Follow standard safety rules for fine powders used in labs or factories.