Overview of Aluminum Nitride Ceramic Substrate Sheet for Electronic Applications

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 Aluminum Nitride Ceramic Substrate Sheet for Electronic Applications

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 Aluminum Nitride Ceramic Substrate Sheet for Electronic Applications

Light Weight Aluminum Nitride Ceramic Substratum Sheet– High-Performance Material for Electronic Devices

Key Includes

Aluminum nitride (AlN) ceramic substratum sheets offer exceptional thermal conductivity and solid electric insulation. These properties make them optimal for use in high-power electronic tools, LED lighting, laser diodes, and RF modules. Unlike standard alumina ceramics, AlN moves warmth far from sensitive elements rapidly, which assists maintain gadgets running cooler and more accurately.

The material keeps secure performance even at heats. It does not broaden or reduce much when warmed or cooled. This low thermal growth matches well with silicon and other semiconductor products, decreasing stress on circuits during temperature level changes.

Technical Specs

– Thermal Conductivity: 170– 220 W/m · K.- Dielectric Toughness: ≥ 15 kV/mm.
– Volume Resistivity: > 10 ¹⁴ Ω · centimeters.
– CTE (Coefficient of Thermal Growth): 4.5 ppm/ ° C( 25– 400 ° C ).- Pureness: ≥ 99% AlN.
– Surface area Complete: Polished to Ra ≤ 0.2 µm (optional).
– Density Variety: 0.25 mm to 1.5 mm (custom-made sizes available).

Why Choose AlN Substrates?

These substrates handle heat far much better than standard porcelains like alumina. They likewise offer exceptional electrical isolation, which is crucial in compact, high-density circuits. Designers use them where both effective heat removal and reputable insulation are required. The material works well in severe settings and sustains lasting device security.

Makers create AlN sheets under rigorous quality controls to make sure consistent performance. Sheets can be reduced, pierced, or metallized to fulfill details design requirements. This versatility enables integration into a wide range of digital packaging options without endangering thermal or electrical efficiency.

Applications of Aluminum Nitride Ceramic Substrate Sheet for Electronic Applications

Applications of Light Weight Aluminum Nitride Ceramic Substrate Sheets in Electronics

High Thermal Conductivity for Better Warmth Management

Aluminum nitride (AlN) ceramic substratum sheets are extensively made use of in electronic gadgets that produce a great deal of warm. These sheets move heat away from sensitive parts quickly. This aids maintain components awesome and functioning well. Unlike routine porcelains, AlN manages warm much better. It works excellent in power components, LED illumination, and high-frequency circuits where temperature level control matters.

Strong Electric Insulation with Security

Despite the fact that AlN actions heat quickly, it does not perform power. This makes it safe to utilize near live circuits. The product remains steady under high voltage and extreme conditions. Designers choose it for applications like RF devices, sensors, and automobile electronic devices. Its insulation performance stays solid gradually and across different temperature levels.

Compatibility with Modern Manufacturing

AlN substratums work well with typical circuit-making techniques. They can be metalized using thick-film or thin-film processes. This allows developers to build complex circuits directly on the ceramic base. The surface is smooth and uniform, which supports fine-line printing and exact component placement. That’s why it suits today’s portable and high-performance electronic devices.

Reputable Efficiency in Demanding Settings

These substrates stand up to wetness, chemicals, and mechanical stress and anxiety. They do not increase or reduce much when heated or cooled down. This stability stops fractures or failures in difficult operating problems. Industries like aerospace, defense, and commercial automation rely on AlN for long-lasting, dependable efficiency. Whether in extreme cold or high warmth, the material keeps doing its work efficiently.

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 Aluminum Nitride Ceramic Substrate Sheet for Electronic Applications

What is an Aluminum Nitride Ceramic Substrate Sheet?

An Aluminum Nitride (AlN) ceramic substrate sheet is a flat, thin piece made from aluminum nitride. It is used in electronic devices because it handles heat very well and does not conduct electricity. This makes it ideal for parts that get hot but must stay electrically insulated.

Why choose Aluminum Nitride over other materials?

AlN has a high thermal conductivity—much better than standard ceramics like alumina. It moves heat away quickly while keeping electrical isolation strong. It also matches the thermal expansion of silicon closely, which helps prevent cracks or failures when devices heat up or cool down.

Where are these substrates commonly used?

These sheets are used in power electronics, LED lighting, RF components, and laser diodes. Any application needing efficient heat removal with reliable insulation benefits from AlN. You’ll often find them in high-performance circuits, automotive electronics, and telecom hardware.

How durable is Aluminum Nitride?

AlN is hard, chemically stable, and resistant to wear. It holds up well under high temperatures and harsh environments. However, like most ceramics, it can break if dropped or hit hard. Proper handling during assembly is important to avoid damage.

Can Aluminum Nitride substrates be customized?

Yes. Manufacturers can cut, drill, and finish AlN sheets to meet specific design needs. Common customizations include different thicknesses, surface finishes, and metallization patterns. This flexibility allows engineers to integrate AlN into complex electronic systems without major redesigns.