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A Spin Stand Study of Head-to-Media Spacing Sensitivity for Shingled Magnetic Recording
Pichet Nhunork,Chanon Warisarn,Damrongsak Tongsomporn 대한전자공학회 2017 대한전자공학회 학술대회 Vol.2017 No.1
Shingled magnetic recording (SMR) is a new hard drive technology that allows the tracks on a platter to be layered on top of each other, just like roof shingles on a house, to increase the platter density or tracks per inch (TPI), which leads to achieve the higher areal density (AD). At high AD; however, head-to-media spacing (HMS) must be investigated due to it directly affects to write and read performance in the writing and reading processes. Therefore, this paper presents the HMS sensitivity for both of conventional magnetic recording (CMR) and SMR on the spin stand tester. The experimental results indicate that the HMS characteristics of SMR have almost the same trend as for CMR, which reveals that shingled writing technique can be adopted to extend the AD of the currently magnetic recording technology.