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.

(CNC Machining Aluminum Nitride Aln Ceramic Square Crucible Ring/Substrate/Parts)

Specifications of CNC Machining Aluminum Nitride Aln Ceramic Square Crucible Ring/Substrate/Parts

This product is made from aluminum nitride (AlN) ceramic. It is designed for high-performance applications needing thermal management, chemical resistance, and electrical insulation. The material has a thermal conductivity of 170-180 W/mK. It works well in high-temperature environments up to 1400°C. It resists corrosion from molten metals, acids, and alkalis. The dielectric strength is over 15 kV/mm, making it ideal for electronic components.

CNC machining ensures precise dimensions and tight tolerances. Standard sizes range from 10 mm to 500 mm in outer diameter. Wall thickness can be customized between 1 mm and 50 mm. Surface roughness is controlled to Ra ≤0.4 μm. This reduces friction and improves wear resistance. Complex shapes like crucibles, rings, substrates, or custom parts are achievable.

The material purity is above 99.5%. This minimizes impurities affecting performance. Aluminum nitride ceramic is non-reactive. It avoids contaminating sensitive processes in semiconductor manufacturing or metallurgy. The low thermal expansion coefficient (4.6×10⁻⁶/°C) prevents cracking under rapid temperature changes.

Applications include vacuum chambers, wafer handling, and LED packaging. It is used in aerospace for radar components. The automotive industry uses it for power electronics. Medical devices benefit from its biocompatibility.

Quality control includes X-ray fluorescence (XRF) testing. This checks material composition. Dimensional accuracy is verified with coordinate measuring machines (CMM). Surface defects are inspected using microscopy. Each batch undergoes thermal cycling tests. Leak detection ensures hermetic seals in crucibles or substrates.

Custom orders are available. Modifications include threaded holes, grooves, or coatings. Lead time depends on complexity. Standard parts ship within 7-10 days. Packaging uses anti-static materials. It prevents damage during transit. Technical support assists with design optimization for specific use cases.

(CNC Machining Aluminum Nitride Aln Ceramic Square Crucible Ring/Substrate/Parts)

Applications of CNC Machining Aluminum Nitride Aln Ceramic Square Crucible Ring/Substrate/Parts

CNC machining aluminum nitride (AlN) ceramic parts creates high-performance components for requiring industries. Aluminum nitride offers solid thermal conductivity, excellent electrical insulation, and resistance to severe warm and chemical deterioration. These residential or commercial properties make it perfect for applications where products have to take care of severe problems without degrading.

CNC machining makes certain accuracy fit AlN porcelains. The process permits tight tolerances and smooth surface coatings. Complicated geometries are attainable, satisfying precise requirements for specific components. This precision is vital in sectors such as electronics and semiconductor manufacturing, where even minor flaws can affect efficiency.

AlN ceramic crucible rings are widely utilized in steel melting processes. They endure heats and withstand reactions with molten metals. This toughness extends tools life and reduces contamination risks. Semiconductor production relies upon AlN substratums for placing electronic elements. The material’s thermal monitoring homes avoid overheating in circuits, boosting tool reliability.

LED makers make use of AlN ceramic parts to handle heat in high-power lighting systems. Effective heat dissipation extends LED life-span and maintains brightness. The electronics market gain from AlN’s electrical insulation in power modules and radio-frequency parts. It ensures steady procedure under high voltages and frequencies.

Aerospace and automotive sectors use CNC-machined AlN components in sensors and engine parts. These parts endure high-stress atmospheres, supplying dependability in critical systems. The chemical industry utilizes AlN crucibles and activators for processing corrosive materials. Their resistance to acids and alkalis ensures safe, lasting usage.

Personalized AlN elements are customized for details industrial needs. CNC machining adapts to one-of-a-kind designs, sustaining prototyping and automation. The combination of product properties and precision manufacturing makes light weight aluminum nitride porcelains a preferred selection for sophisticated design applications.

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)

Payment Methods

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

Shipment Methods

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

5 FAQs of CNC Machining Aluminum Nitride Aln Ceramic Square Crucible Ring/Substrate/Parts

What makes Aluminum Nitride (AlN) ceramic suitable for CNC machining?
Aluminum Nitride ceramic has high thermal conductivity and excellent electrical insulation. These properties make it ideal for high-temperature and high-power applications. The material is hard but can be precisely machined using advanced CNC tools. This ensures complex shapes and tight tolerances are achieved without compromising structural integrity.

What tolerances can CNC machining achieve for AlN ceramic parts?
CNC machining typically achieves tolerances within ±0.01 mm for AlN ceramic components. The process uses diamond-coated tools to handle the material’s hardness. Surface finishes as smooth as Ra 0.2 μm are possible. Exact tolerances depend on part geometry and machining complexity.

What industries use CNC-machined AlN ceramic crucibles, rings, or substrates?
These parts are common in semiconductors, LED manufacturing, and power electronics. They handle extreme heat and electrical stress in applications like wafer processing or laser diode packaging. Aerospace and automotive sectors also use them for sensors and high-frequency devices.

Can custom shapes or sizes be produced with CNC machining for AlN ceramic?
Yes. CNC machining allows customization of dimensions, holes, grooves, or surface patterns. Engineers work with CAD designs to meet specific requirements. Prototyping and small-batch production are feasible. Complex designs may need longer machining times or specialized tooling.

How should AlN ceramic parts be handled after CNC machining?
Avoid mechanical impact or sudden temperature changes. Clean parts with non-abrasive methods like ultrasonic washing. Store them in dry environments to prevent moisture absorption. Use protective packaging during transport to prevent chipping or cracking. Direct contact with metals or aggressive chemicals should be avoided unless specified.

(CNC Machining Aluminum Nitride Aln Ceramic Square Crucible Ring/Substrate/Parts)