Aluminum nitride ceramic PCB

Material Composition

The Aluminum Nitride Ceramic PCB is composed of high-quality ceramic materials, specifically ceramic PCB and ceramic substrate. This combination ensures exceptional thermal conductivity and electrical insulation properties.

Performance Characteristics

The PCB features a 2-layer ceramic structure with a white color appearance. The thickness of the aluminum nitride layer is precisely 0.635mm, providing a sturdy base for components. The copper thickness of 1OZ (35um) ensures good electrical conductivity, while the immersion gold surface treatment with a gold thickness of >=3U” enhances corrosion resistance and ensures smooth soldering processes.

Distinctive Features

• High Thermal Conductivity: Aluminum nitride offers excellent thermal conductivity, making it suitable for high-power and high-frequency applications.
• Durability: Ceramic materials are known for their hardness and durability, contributing to the PCB’s long lifespan.
• Precision: The minimum aperture of 0.8mm allows for the placement of fine components, ensuring high-density packaging.

Production Process

The production of Aluminum Nitride Ceramic PCBs involves several critical steps:

1. Material Preparation: High-quality aluminum nitride powder and other ceramic materials are mixed and pressed into the desired shape.
2. Sintering: The pressed ceramic substrate undergoes sintering at high temperatures to achieve the required density and strength.
3. Copper Deposition: A layer of copper is deposited on the ceramic substrate using advanced metallization techniques.
4. Circuit Patterning: The copper layer is etched to form the desired circuit patterns.
5. Hole Drilling: Through holes are drilled to allow for interconnections between layers.
6. Ceramic Dam Technology: This unique technology ensures the precise alignment and sealing of holes, enhancing the PCB’s reliability.
7. Surface Treatment: The PCB undergoes immersion gold plating to provide a corrosion-resistant surface finish.

Application Scenarios

Aluminum Nitride Ceramic PCBs are ideal for various high-performance applications:

• High-Power Electronics: Suitable for use in power supplies, inverters, and other high-power electronic devices due to their excellent thermal management capabilities.
• High-Frequency Circuits: Perfect for RF and microwave circuits that require low loss and high stability.
• Medical Equipment: Used in medical devices that demand precision, reliability, and high-performance electronics.
• Aerospace and Defense: Ideal for applications in harsh environments where durability and thermal resistance are crucial.

In summary, Aluminum Nitride Ceramic PCBs offer a combination of exceptional thermal conductivity, durability, and precision, making them ideal for high-performance electronics across various industries.