Overview of aluminum nitride ceramics

Aluminum Nitride Ceramic is an advanced ceramic material with aluminum nitride as the main component. It has been widely used in electronics, optics, and mechanics due to its unique properties.

Features of aluminum nitride ceramics

High thermal conductivity: Aluminum nitride ceramics have relatively high thermal conductivity, usually between 170-260 W/m·K, which makes it an excellent heat dissipation material. It is especially suitable for electronic devices that require efficient heat dissipation, such as substrate materials for power semiconductor devices.

Good electrical insulation: Despite its high thermal conductivity, aluminum nitride ceramics are excellent insulators of electricity, which can effectively prevent current leakage and ensure the safe operation of electronic components.

Low dielectric constant and dielectric loss: These characteristics make aluminum nitride ceramics very suitable for use in high-frequency circuits because it can reduce energy loss during signal transmission.

High temperature resistance: Aluminum nitride ceramics can maintain structural stability and strength at extremely high temperatures. Its melting point is about 2800°C, so it is suitable for applications in high temperature environments.

Low thermal expansion coefficient: Compared with semiconductor materials such as silicon, aluminum nitride has a lower thermal expansion coefficient, which means it has better dimensional stability when the temperature changes, which helps improve packaging reliability.

Corrosion resistance: Aluminum nitride ceramics have good chemical stability to most molten metals and are not easily oxidized or corroded, allowing them to perform well in harsh environments.

High mechanical strength: Although not as hard as some other types of ceramic materials, aluminum nitride ceramics still provide enough mechanical strength to allow them to be used in many structural applications.

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Specifications of Aluminium Nitride / AlN Ceramic Substrate / Wafer / Plate / Board For High Power Led

Aluminium Nitride (AlN) ceramic substratums are made for high-power LED applications. These products handle extreme thermal and electrical needs. The main benefit is high thermal conductivity. AlN substratums reach 170-200 W/mK. This guarantees efficient warmth dissipation. It protects against LED getting too hot. It extends tool life-span.

AlN ceramic offers exceptional electric insulation. It endures high voltages. This makes it risk-free for electronic circuits. The dielectric strength mores than 15 kV/mm. It decreases electric leakage. It supports steady performance in rough conditions.

The thermal growth coefficient matches semiconductors like silicon. It lowers tension at product interfaces. This protects against splitting throughout temperature changes. It makes certain reliability in thermal cycling. AlN substratums keep architectural stability from -50 ° C to
350 ° C. These substratums are highly resilient. They resist chemical deterioration. They are not affected by wetness or UV exposure. Surface smoothness is vital. AlN wafers have a surface roughness below 0.1 µm. This enables specific deposition of LED layers. It boosts light result performance.

Standard thickness ranges from 0.25 mm to 1.5 mm. Sizes vary from tiny chips to big boards up to 150 mm x 150 mm. Custom shapes and openings are available. Laser reducing makes sure precision. Metallization options include gold, silver, or copper layers. These enhance electric connections.

AlN ceramics are suitable for high-power LEDs. They are used in vehicle lights, industrial systems, and UV LEDs. Their thermal management minimizes the demand for added air conditioning components. This conserves area and cost.

The material is RoHS-compliant. It meets industry security requirements. It is lead-free and environmentally friendly. Makers provide stringent quality assurance. Each set goes through thermal and electrical tests.

AlN substratums sustain innovative LED styles. They make it possible for higher power densities. They boost illumination and efficiency. Custom options are offered for specific task needs. Technical support helps optimize substrate specifications.

The mix of high thermal conductivity, electric insulation, and sturdiness makes AlN ceramics a leading option. They attend to essential challenges in high-power LED applications. They guarantee long-term efficiency under requiring problems.

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Applications of Aluminium Nitride / AlN Ceramic Substrate / Wafer / Plate / Board For High Power Led

Aluminum nitride (AlN) ceramic substratums, wafers, plates, and boards are essential for high-power LED systems. AlN porcelains take care of severe warmth efficiently. High-power LEDs produce significant thermal energy throughout operation. Effective warm dissipation is required to stop performance loss. AlN substrates succeed right here. Their thermal conductivity is a lot greater than conventional materials like alumina. This maintains LED temperatures stable. Secure temperatures extend LED life-span. They additionally maintain illumination and color accuracy.

AlN ceramics give solid electric insulation. Electric failures prevail in high-power gadgets. AlN protects against current leakage. This makes sure risk-free operation in demanding settings. AlN additionally stands up to thermal shock. Fast temperature adjustments do not harm the product. This reliability fits applications with frequent power cycling.

High-power LEDs are used in automobile lighting, industrial devices, and UV healing systems. AlN substratums sustain these applications. They handle warm in portable layouts. Smaller sized LED components take advantage of AlN’s slim, lightweight framework. This permits high-density product packaging. More LEDs match minimal rooms without overheating.

AlN wafers function well with semiconductor procedures. They integrate smoothly right into LED production. Thin-film circuits bond quickly to AlN surface areas. This improves electric links. Signal loss reduces. AlN plates also deal with high soldering temperature levels. Metallic coatings stick strongly. Solid bonds prevent detachment during LED assembly.

Telecommunication systems make use of high-power LEDs for optical signaling. AlN boards make sure steady efficiency in these setups. Heat from long term procedure dissipates promptly. Signal uniformity continues to be high. AlN’s chemical stability matters also. It resists corrosion from wetness or reactive gases. LEDs last longer in extreme problems.

AlN ceramic remedies address key difficulties in high-power LED innovation. They incorporate thermal administration, electric safety and security, and mechanical resilience. Manufacturers depend on AlN for reliable, high-performance LED items. Its properties fulfill the requirements of advanced lighting and electronic systems.

Company Introduction

Advanced Ceramics founded on October 17, 2014, is a high-tech enterprise committed to the research and development, production, processing, sales and technical services of ceramic relative materials and products.. Since its establishment in 2014, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Silicon carbide ceramic products, Boron Carbide Ceramic Products, Boron Nitride Ceramic Products, Silicon Carbide Ceramic Products, Silicon Nitride Ceramic Products, Zirconium Dioxide Ceramic Products, Quartz Products, etc. Please feel free to contact us.(nanotrun@yahoo.com)

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5 FAQs of Aluminium Nitride / AlN Ceramic Substrate / Wafer / Plate / Board For High Power Led

What is aluminium nitride ceramic substrate? Aluminium nitride (AlN) ceramic substrate is a material used for electronic components. It is made by sintering aluminium nitride powder at high temperatures. This creates a dense, hard surface ideal for handling high heat. Its main role is to support LED chips while moving heat away from them. This prevents overheating and improves performance.

Why use AlN for high-power LEDs? High-power LEDs create a lot of heat during operation. AlN ceramic substrates manage this heat better than other materials. They have excellent thermal conductivity, moving heat quickly from the LED chip to the heat sink. This keeps the LED cooler, extends its lifespan, and maintains brightness. Materials like alumina or metal cores cannot match AlN’s efficiency in high-temperature conditions.

What benefits does AlN offer over other ceramics? AlN has higher thermal conductivity than alumina or aluminum oxide. It conducts heat up to 170-200 W/mK, while alumina only reaches around 24 W/mK. AlN also resists electrical breakdown and works well in high-frequency circuits. Its thermal expansion rate is close to silicon, reducing stress in bonded components. These traits make it reliable for demanding applications.

How does thermal conductivity affect performance? Higher thermal conductivity means faster heat transfer. AlN substrates move heat away from LED chips more effectively. This lowers the operating temperature of the LED. Cooler LEDs last longer, produce stable light output, and reduce energy waste. Poor heat dissipation causes chips to fail early or dim over time. AlN solves this problem in high-power setups.

Are there special handling requirements for AlN substrates? AlN is brittle like most ceramics. Avoid dropping or applying sudden force. Store it in dry conditions to prevent moisture absorption. Clean surfaces with alcohol before attaching components to ensure strong bonding. Use compatible solders or adhesives rated for high temperatures. Follow manufacturer guidelines for machining or cutting to avoid cracks. Proper handling ensures maximum durability and performance.

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