Overview of High Thermal Aluminum Nitride Ceramic Disc Substrate

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 Thermal Aluminum Nitride Ceramic Disc Substrate

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 Thermal Aluminum Nitride Ceramic Disc Substrate

High Thermal Aluminum Nitride Porcelain Disc Substratum

Trick Includes

This aluminum nitride (AlN) ceramic disc substratum supplies outstanding thermal conductivity . It moves heat away quickly, which maintains electronic components cool throughout operation. The material also has strong electric insulation , so it obstructs current flow while managing high voltages safely.

The disc is made from high-purity AlN powder. This gives it a dense, consistent framework with couple of flaws. As a result, it reveals high mechanical strength and withstands splitting under stress and anxiety or thermal cycling. Its thermal expansion closely matches usual semiconductor materials like silicon. This match decreases strain when components warm up or cool down.

Technical Facts

– Thermal Conductivity : 170– 220 W/m · K.- Dielectric Stamina : ≥ 15 kV/mm.
– Volume Resistivity : > 10 ¹⁴ Ω · centimeters.
– Coefficient of Thermal Expansion (CTE) : 4.5 ppm/ ° C( 25– 400 ° C).- Purity : ≥ 99% AlN.
– Surface area Monotony : ≤ 0.01 mm.
– Available Sizes : 25 mm to 100 mm (personalized dimensions on request).
– Thickness Range : 0.25 mm to 2.0 mm.

The substratum works well in harsh settings. It remains steady at temperature levels up to 1370 ° C in inert ambiences. It also withstands rust from many chemicals made use of in electronics making.

Common Uses

Engineers use this AlN disc in power components, LED lights bases, laser diode installs, and RF tools. It’s optimal any place quickly warmth removal and strong electric seclusion are needed. The smooth surface permits simple metalization, sustaining direct bonding of copper or various other conductive layers.

Applications of High Thermal Aluminum Nitride Ceramic Disc Substrate

Applications of High Thermal Light Weight Aluminum Nitride Porcelain Disc Substratum

Power Electronic Devices and LED Lighting

Light weight aluminum nitride (AlN) ceramic disc substratums deal with warm better than most materials. This makes them excellent for power electronics. Gadgets like inverters, converters, and motor drives create a great deal of warmth throughout procedure. AlN substratums pull this warm away quickly. That keeps components awesome and functioning much longer. In high-power LED illumination, the very same attribute avoids overheating. LEDs stay bright and last longer when installed on AlN discs.

RF and Microwave Equipments

These substratums additionally work well in superhigh frequency (RF) and microwave applications. They supply reduced signal loss and stable performance at high regularities. Base terminals, radar systems, and satellite communication gear all take advantage of AlN’s electrical insulation and thermal control. The product does not conflict with signals. At the very same time, it relocates heat out swiftly. This equilibrium is tough to discover in other ceramics.

Automotive and Electric Cars

Modern cars utilize even more electronics than ever before. Electric automobiles (EVs) specifically require parts that take care of warm without failing. AlN ceramic discs sustain EV power modules, battery management systems, and onboard chargers. They withstand rough conditions under the hood. Their strong thermal conductivity aids prevent locations. That means much safer, much more trustworthy car performance.

Sensors and Industrial Equipment

In industrial setups, sensors have to run nonstop in difficult environments. AlN substrates offer these sensors a secure base. They resist thermal shock and chemical wear. Temperature sensing units, pressure screens, and laser systems all utilize AlN discs to stay exact with time. Manufacturing facilities depend on this integrity to maintain manufacturing smooth.

High thermal light weight aluminum nitride ceramic disc substrates solve genuine problems where heat and efficiency matter. Their mix of insulation, strength, and cooling ability makes them a clever option across many innovative modern technologies.

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.

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

5 FAQs of High Thermal Aluminum Nitride Ceramic Disc Substrate

Frequently Asked Questions About High Thermal Aluminum Nitride Ceramic Disc Substrates

What is an aluminum nitride ceramic disc substrate?

It is a round ceramic base made from aluminum nitride (AlN). This material handles heat very well. It also insulates electricity effectively. Engineers use it in electronics that need to stay cool and work reliably.

Why choose aluminum nitride over other ceramics?

Aluminum nitride moves heat away much faster than standard ceramics like alumina. Its thermal conductivity can be 7–10 times higher. At the same time, it still blocks electric current well. This makes it ideal for power devices and high-frequency circuits.

Where are these substrates commonly used?

You’ll find them in LED lighting, laser diodes, RF modules, and power electronics. They are also used in automotive sensors and aerospace systems. Any application needing fast heat removal and strong electrical insulation benefits from AlN discs.

Can these substrates handle high temperatures?

Yes. Aluminum nitride stays stable at temperatures above 1,000°C. It does not crack or warp easily under thermal stress. This reliability helps electronic parts last longer, even in tough environments.

Are aluminum nitride substrates hard to machine or process?

They are harder than metals but can be shaped using diamond tools. Most customers buy them pre-cut to size with smooth surfaces. Manufacturers offer custom diameters, thicknesses, and finishes to match specific designs. This reduces extra work during assembly.