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Why Has Aluminum Nitride Become the Preferred Material for Electronic Packaging?

Jul 31, 2025

In today's era of high-power, highly integrated electronics, aluminum nitride (AlN) ceramics have emerged as the packaging material of choice due to three core advantages. First, its exceptional thermal conductivity (170-210W/m·K) is 6-8 times higher than traditional alumina, effectively addressing thermal challenges in 5G base stations, electric vehicles, and other applications. Second, AlN's thermal expansion coefficient (4.5×10⁻⁶/℃) perfectly matches silicon chips, significantly reducing thermal stress and improving device reliability by over 10 times. Most importantly, as a non-toxic, environmentally friendly material, it completely avoids the safety hazards of beryllia while offering comparable thermal performance.

 

High-purity aluminum nitride powder

 

 Market data shows that AlN packaging can reduce power module operating temperatures by 30-45°C, extend lifespan by 2-3 times, and actually lower total costs by 15-30%. With the explosive growth of 5G, AI, and electric vehicles, AlN's penetration rate in high-end packaging is expected to exceed 40% within three years. For electronics manufacturers pursuing high performance and reliability, early adoption of AlN technology will be key to winning the next-generation product competition. We offer complete solutions from sample testing to mass production support to help customers achieve rapid technology upgrades.

 

High thermal conductivity aluminum nitride substrate

 

About Xiamen Juci Technology Co., LTD

 

Xiamen Juci Technology Co., Ltd. is the largest manufacturer of aluminum nitride powder in China in terms of output. The aluminum nitride powder and customized ceramics produced by Xiamen Juci Technology Co., Ltd. feature higher thermal conductivity and more competitive prices. We are committed to providing customers with advanced thermal management technologies and offering effective thermal management solutions for industries such as 5G, semiconductors, new energy, aerospace, etc.

 

Media Contact:
Xiamen Juci Technology Co., Ltd.

Phone: +86 592 7080230
Email: miki_huang@chinajuci.com

Website: www.jucialnglobal.com

 

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