Fillers are key components in thermal interface materials (TIMs), enhancing their thermal conductivity, mechanical properties, and stability. Typically, fillers are solid particles dispersed within a polymer or grease matrix, serving to improve heat transfer efficiency.
The Roles of Fillers in Thermal Interface Materials:
Enhancing Thermal Conductivity
The base polymer or grease itself has very low thermal conductivity, typically in the range of 0.1–0.3 W/m·K, which is insufficient for the heat dissipation requirements of high-power electronic devices. The addition of fillers is the primary method for enhancing the thermal conductivity of TIMs. For instance, aluminum nitride (AlN) filler, due to its inherently very high intrinsic thermal conductivity (theoretical value can reach up to 320 W/m·K), can significantly improve the overall thermal performance of the composite material, enabling it to reach 10 W/m·K or even higher. This facilitates efficient heat transfer from the heat source to the heat sink.
About Xiamen Juci Technology Co., LTD
Xiamen Juci Technology Co., Ltd. is a leading producer and supplier of high-performance aluminum nitride (AlN) filler. Our company is based on independent research and development and large-scale production, aiming to provide customers with high-quality aluminum nitride powder. Juci Technology is committed to becoming your strategic partner in enhancing thermal management efficiency and product reliability with stable and reliable products.
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Xiamen Juci Technology Co., Ltd.
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Email : chenxiaofang@chinajuci.com
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