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简单介绍了超顺磁效应的概念及引起的原因,概括地介绍了纵向记录技术和AFC技术的主要研究思路,详细阐述了垂直磁性记录技术的建模(磁单元垂直排列方式、磁单元S-N邻接方式)思想及其主要特点,综述了两种磁记录技术降低与克服超顺磁效应的方法,以及磁记录技术的研究与发展情况。
The concept of superparamagnetic effect and its causes are briefly introduced. The main research ideas of longitudinal recording technology and AFC technology are briefly introduced. The vertical magnetic recording technology modeling (vertical arrangement of magnetic units, SN of magnetic units Mode) and its main features, reviewed two methods of magnetic recording technology to reduce and overcome the superparamagnetic effect, as well as the magnetic recording technology research and development.