金属渗透梯度层陶瓷基片在LED散热中的应用  

Application for LED heat dissipation with ceramic substrate based on gradient layer for metal penetration

作　　者：何永祥 金小平 杨松 黄大康 

机构地区：[1]杭州流明科技有限公司,浙江杭州3114222 [2]浙江省交通科学研究所,浙江杭州310006

出　　处：《中国计量学院学报》2012年第4期363-368,共6页Journal of China Jiliang University

基　　金：浙江省重大科技专项资助项目(No.2009C11016)

摘　　要：在LED散热领域,铝基板居很大市场份额.介绍了金属渗透梯度层陶瓷基片,这种陶瓷基片由陶瓷与金属材料相互扩散形成的,导热性、绝缘性、抗剥离强度及抗震动性好,可解决大功率LED的散热问题.这种基板已用于制作大功率LED灯,并取得了明显的社会经济效益.In the field of heat dissipation,the aluminum substrate occupies a large market share.Now,the ceramic substrate based on gradient layer for metal penetration was introduced.This kind of ceramic substrate formed from ceramics-metallic materials on inter diffusion had rich characteristics in thermal conductivity,insulating property and adhesive force.Heat dissipation problems accompanied with high-power LED could be resolved by means of using this kind of ceramic substrate.This kind of substrate has been used to produce lamps,with high-power LED,and obvious social and economic benefits have been achieved.

关 键 词：光谱红移 陶瓷基片 金属渗透梯度层 丝网印刷 减低热阻 

分 类 号：TN312.8[电子电信—物理电子学]