硬式磁碟片機械研磨紋理與表面磨潤性質的研究

Abstract

本研究是以機械研磨的方法，嘗試由研磨參數（磁碟轉速、滾輪振盪頻率 、研磨時間）的變化，得到不同的碟片表面形狀，再經由標準製程製作硬 式磁碟片。可由其表面分析（溝紋夾角、表面均方根、平均粗糙度），磁 性量測（異方性、抗磁力），磨潤性質測試（摩擦係數、起飛速度），來 探討研磨條件與磨潤性質的關係。從一系列的分析與研究，我們可以發現 藉由交叉夾角的增加或者適合的表面線密度，去得到較佳的磨潤性質。這 對於高密度磁碟片的發展，將有一定的幫助。 In this study, the correlation between mechanical texturing and surface tribological properties of rigid disk was investigated. The texturing parameters, including spin velocity of disk, vi- brational frequency of roller, and texturing time, were changed to observe their effects on surface morphology. These disks were produced by using the standard process. Correlation between tex- turing conditions and tribological properties were discussed in terms of surface analysis ( cross angle, root-mean- square, and average roughness ), and tribological properties test ( coeffi- cient of friction and takeoff velocity ). We could obtain the better tribological properties with the cross angle increasing or the optimum surface line density from a series of measurement and analysises. The better tribological properties were helpful for the development of high recording density rigid disk.