手机用烧结钕铁硼材料的发展  

Development of Sintered Nd-Fe-B Material Used in Mobile Phone

作　　者：韩卫平[1] 王奇 程星华[1] 许义堂 Han Weiping;Wang Qi;Cheng Xinghua;Xu Yitang(Advanced Technology&Materials Co.,Ltd.,Beijing 100086,China)

机构地区：[1]安泰科技股份有限公司,北京100086

出　　处：《广东化工》2024年第12期72-74,共3页Guangdong Chemical Industry

基　　金：安泰科技股份有限公司收益分享型项目。

摘　　要：本文主要分析了目前高端手机市场用烧结钕铁硼材料的发展状况,从摄像头音圈马达用烧结钕铁硼、振动马达用烧结钕铁硼、磁吸及TWS耳机用烧结钕铁硼三个主要方面对目前市场的应用进行了详细的分析和说明。并对烧结钕铁硼材料的需求性能、材料制备工艺、加工技术、电镀技术、自动充磁和检验技术的现状进行了详细的分析。并指出高性能材料制备,高精度加工方法,低磁衰电镀工艺及自动充磁检验一体化,是未来一段时期高端手机用烧结钕铁硼材料的发展方向。The article mainly analyzed the development of the use of sintered NdFeB magnets in the high-end mobile phone markets,and provided a detailed explanation of the current market applications from three main aspects,Voice coil sintered NdFeB,vibration motor sintered NdFeB,magnetic suction&TWS sintered NdFeB.A separate analysis was conducted on the material preparation process,high-accuracy machining processing technology,electroplating technology,automatic magnetization,and inspection technology of magnets.The development direction of sintered NdFeB magnets was prospected for high-end mobile phones in the future,including grain boundary diffusion material preparing,high-accuracy machining,low magnetic property loss plating technology and automatic magnetizing&inspection equipment.

关 键 词：烧结钕铁硼 渗透 矫顽力 高精度加工 震动马达 

分 类 号：TG174.444[金属学及工艺—金属表面处理] TM272[金属学及工艺—金属学]