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![The left side shows the inside of a disk drive as the recording head... | Download Scientific Diagram The left side shows the inside of a disk drive as the recording head... | Download Scientific Diagram](https://www.researchgate.net/publication/307087859/figure/fig7/AS:399679092215812@1472302329329/The-left-side-shows-the-inside-of-a-disk-drive-as-the-recording-head-flies-over-the.png)