Are you looking for the best aluminum substrate factories in China to meet your electronic component needs? Here’s a guide to help you navigate the top players in the industry. From PCBTok to Mascera Tec, we’ll compare their products, advantages, and what sets them apart in the world of ceramic substrates. Let’s dive in and find the perfect fit for your project.

China Aluminum Nitride Substrate Manufacturers

Product Details: Mascera produces high-quality aluminum nitride (AlN) substrates with customizable sizes according to customer requirements. These substrates are widely applied in large-scale integrated circuits or high power modules. Key dimensions include lengths and widths such as 110110 mm, 101.6101.6 mm, and others, with thickness options ranging from 0.38 mm to 1.5 mm. The substrates can undergo various processing treatments like laser cutting, laser scribing, hole drilling, polishing, and DPC&DBC metallization.

Pros:
– High thermal conductivity up to 170 w/mk, which ef…
– Good electrical insulation and low dielectric cons…
– Similar thermal expansion coefficient to silicon,…
– High mechanical strength and good corrosion resist…
– Non-toxic and suitable for various applications in…

Cons:
– Higher cost compared to other ceramic materials li…
– Limited availability in certain regions due to spe…

China’s Leading Supplier of Aluminum Nitride Substrates

Product Details: Aluminum Nitride Substrates are grey or white ceramic materials with a density of 3.26 g/cm³. They have excellent insulating properties and high thermal conductivity. These substrates are commonly used in High Power LEDs, Sensors, ICs, and other applications. They undergo 100% E-Test and AOI, and comply with IPC Class 2 or 3 standards. PCBTok offers customized production, 24-hour quick turnaround, and sample pieces before mass production.

Pros:
– Exceptional insulation capacity (>1.10¹² Ωcm)
– Outstanding metallization capability
– Very low adherence
– Non-toxic to the environment, serving as an excell…
– Remarkable surface flatness
– Excellent dimensional stability even under extreme…
– Excellent tolerance to wear and corrosion
– Protected by an Aluminum Oxide Layer up to 137°C

Cons:
– Can be costly compared to standard PCBs due to the…

Aluminum Nitride Ceramic Substrate Suppliers In China

Product Details: Huaqing specializes in designing, R&D, and producing Aluminum Nitride Ceramic Substrates for over 19 years. These substrates are shipped directly from the factory. They are primarily used in applications such as 5G communication, LED packaging, semiconductor, power modules (IGBT), image sensing, and new energy vehicles.

Pros:
– Highly experienced and qualified professionals wit…
– Direct factory shipping ensuring quality and effic…
– Customization options available to meet specific n…
– Wide range of applications including advanced tech…

Cons:
– No specific details on pricing or cost-effectivene…
– Limited information on the environmental impact or…

China Aluminum Nitride Substrate Suppliers, Manufacturers

China Alumina Substrate Manufacturers

Product Details: Mascera offers alumina ceramic substrates, primarily made of 96% alumina (Al2O3) ceramic. These substrates are used in electronic package applications, thick film electronics, and power modules. They can be customized in size and have a delivery time as short as 7 days. The substrates are produced through direct bonding of copper (DBC) or other metallization methods. They are also available as ceramic PCBs with enhanced heat dissipation, current-carrying capacity, and electrical insulation compared to traditional PCBs.

Pros:
– Good electrical insulation
– Low dielectric properties
– Good heat resistance and wear resistance
– High thermal conductivity for efficient heat dissi…
– High mechanical strength and durability
– Smooth and flat surface with high precision (flatn…
– Strong bonding force in ceramic PCBs, ensuring rel…
– Customizable sizes and quick delivery options

Cons:
– Limited to specific applications such as thick fil…
– May require specialized handling due to high hardn…
– Higher cost compared to traditional PCB materials…

Metal-Substrate PCB, Single Sided Aluminum …

Product Details: China PCB Win Technology Co., Ltd offers Metal-Substrate PCBs, specifically single-sided aluminum substrate boards. These boards are known for their good heat dissipation performance due to the use of pure aluminum. The boards also feature Toyo white ink, which does not discolor after high-temperature baking.

Pros:
– Good heat dissipation performance due to pure alum…
– Toyo white ink does not produce discoloration afte…

Cons:
– No specific cons mentioned on the webpage
– Potential higher cost compared to other substrate…

Aluminum Nitride Substrate

Product Details: Aluminum Nitride (AlN) substrate, Material: AlN Ceramic, Thermal Conductivity: 170-230 W/m.K, Density: 3.30 g/cm3, Color: Grey & Dark Grey, Max. Working Temperature: 1,500 degree C. It has low thermal expansion, high temperature resistance, corrosion resistance, and a thermal expansion coefficient close to that of silicon.

Pros:
– High thermal conductivity for efficient heat dissi…
– Excellent electrical insulation
– Low thermal expansion
– High temperature resistance
– Corrosion and erosion resistant
– Good metallization capacity
– Thermal expansion coefficient close to that of sil…

Cons:
– High production cost due to advanced material and…
– Limited availability compared to other ceramic sub…
– Requires specialized handling and processing due t…

30mm Aluminum Nitride Wafer Substrate

Product Details: The 30mm Aluminum Nitride Wafer Substrate is designed for high-power applications, including LEDs, laser diodes, and RF components. It offers high thermal conductivity, electrical insulation, and a coefficient of thermal expansion that matches silicon and gallium nitride. This substrate is suitable for ultraviolet (UV) LEDs, UV detectors, and UV lasers, providing a robust and reliable foundation for these devices.

Pros:
– High thermal conductivity
– Electrical insulation properties
– Coefficient of thermal expansion matched to silico…
– Suitable for high-power LEDs, laser diodes, and RF…
– Robust and reliable foundation for UV LEDs, UV det…

Cons:
– Can be difficult and costly to manufacture in smal…
– Limited availability in certain thicknesses and cu…

Aluminum Extrusions From the People’s Republic of China

0.38mm 0.5mm 0.635mm 1mm Aluminum Nitride AlN …

Product Details: The 0.38mm, 0.5mm, 0.635mm, and 1mm Aluminum Nitride (AlN) substrates are made from Aluminum Nitride Ceramic. The forming method used is Tape Casting. These substrates are designed for use as Bare Ceramic Circuit Boards.

Pros:
– High Thermal Conductivity (≧180 W/m.K)
– CTE (Coefficient of Thermal Expansion) matching Si…
– High flexural strength (≧450 MPa)
– High dielectric strength (≧17 KV/mm)

Cons:
– Higher cost compared to other ceramic materials li…
– Requires precise handling due to its brittle natur…

Comparison Table

Frequently Asked Questions (FAQs)

What is an Aluminum Substrate and How is it Made?

An aluminum substrate is a type of printed circuit board (PCB) that uses aluminum as the base material. It is made by preparing an aluminum base, applying a dielectric layer for insulation, and then patterning a conductive circuit layer, usually made of copper, on top. The process includes cleaning and smoothing the aluminum surface, applying a thermally conductive epoxy resin as the dielectric layer, and using techniques like etching or printing to create the circuit pattern.

What are the Key Benefits of Using Aluminum Substrates?

Using aluminum substrates offers several benefits. They provide superior thermal management due to aluminum’s high thermal conductivity, which can eliminate the need for additional heat sinks or fans. Aluminum substrates are also lightweight, compact, and cost-effective compared to traditional substrates like ceramic or metal core PCBs. Additionally, they are environmentally friendly and highly recyclable, making them a sustainable choice.

How Do Aluminum Substrates Compare to Traditional PCB Materials?

Aluminum substrates have several advantages over traditional materials. They are significantly cheaper than FR4 (a common PCB material), with aluminum costing around $2 per kilogram compared to $6 per kilogram for FR4 in large quantities. Aluminum also has a coefficient of thermal expansion close to that of copper and better dimensional stability than FR4. This makes aluminum substrates a more economical and reliable option for many applications.

What Applications Are Aluminum Substrates Best Suited For?

Aluminum substrates are ideal for applications where thermal management and cost-effectiveness are crucial. They are commonly used in LED lighting systems, automotive electronics, especially in electric vehicle powertrains, and in aerospace systems where weight reduction and compact design are essential. Their superior thermal conductivity and lightweight properties make them a preferred choice for high-power and high-reliability electronic devices.

What Quality Control Measures Are Taken in Aluminum Substrate Manufacturing?

Aluminum substrate manufacturing involves rigorous quality control checks. After the substrate is prepared and the circuit pattern is applied, the substrates undergo surface finishing processes such as solder masking and surface coating. They are then subjected to thorough quality control testing to ensure they meet specifications and standards. This includes inspections for electrical performance, dimensional accuracy, and surface finish quality to guarantee reliability and performance.