氮化铝粉末制备与应用研究进展

Progress in Preparation and Application of Aluminum Nitride Powder

氮化铝陶瓷因具有高导热率、各种电性能优越、机械性能好、良好的化学稳定性等优点,可作为封装散热基板和电子元件制造的理想材料。而氮化铝陶瓷的优良性能基于其粉体的高品质,要想获得性能优良氮化铝陶瓷,关键是要制备高质量的氮化铝粉体。随着5G时代的到来,氮化铝作为最理想的基片材料,如何制备高质量高性能的氮化铝粉末成为先进材料方向的研究重点。系统介绍了当前氮化铝粉末的制备工艺及研究现状,对影响氮化铝粉末制备的因素进行阐述说明,并对催化剂应用效果进行了对比研讨,然后通过实验探讨氮化铝粉末在5G覆铜板的导热应用,以及对未来氮化铝的发展前景进行了展望。

Aluminum nitride ceramics can be used as package heat dissipation substrate and electronic component,due to their high thermal conductivity,promising electrical properties,high mechanical strength and high chemical stability.The performance of aluminum nitride ceramics is strongly dependent on the quality of the powders.To obtain aluminum nitride ceramics with excellent properties,it is necessary to prepare high-quality aluminum nitride powders.With the advent of the 5 G era,aluminum nitride is the most ideal material as substrates,thus attracting intensive attentions.By focusing on structure and performance,this article was aimed to systematically discuss the processing and research status of aluminum nitride powders.The factors influencing the properties of aluminum nitride powders were explained,while the effects of catalysts were compared and discussed.Then,the thermal application of aluminum nitride in 5 G copper-clad laminates was experimentally explored and the development prospects of aluminum nitride in the future were ellaborated.