STUDY ON RECORDING CHARACTERISTICS OF MULTILAYERED THIN FILM MAGNETIC RECORDING MEDIA

1.研究了垂直磁记录读写特性的解析计算方法.研究了磁团簇记录介质噪声的理论和噪声源的估计方法.研制了用于Co/Pd多层垂直磁记录介质的薄Pd/Si种子层。在Pd/Si种子层制备过程中加入N_2和Ar气体，以及在制备Pd/Si种子层过程中进行后退火，在不严重破坏垂直磁各向异性的情况下，有效地降低了晶间交换耦合的大小，从而提高了读写分辨率，降低了介质噪声。

1. Analytical method for calculation of read-write characteristics of perpendicular magnetic recording was investigated.2. Theory of recording medium noise from magnetic clusters and estimation method of the noise sources were investigated.3. Thin Pd/Si seedlayer for Co/Pd multilayer perpendicular magnetic recording media was developed. The addition of N_2 to Ar gas during the Pd upper-seedlayer deposition and the post-annealing in preparing the Pd/Si seedlayer were effective for decreasing the magnitude of intergranular exchange coupling without serious deterioration of the perpendicular magnetic anisotropy, which resulted in both an increase in the read-write resolution and a decrease in the medium noise.