Flying height measurement

Details Flying height measurement Flying height measurement

2011-01-18

2011-01-18

Wong, K. (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S077040

Reexamination Certificate

active

07872828

ABSTRACT:
Some of the embodiments of the present disclosure provide a disk drive system comprising a disk drive system comprising a disk having a track upon a surface of the disk, the track including a first data-storing sector and a second data storing sector, and a servo sector located between the first data-storing sector and the second data-storing sector, the servo sector including a first flying height (FH) field having a predetermined pattern. Other embodiments are also described and claimed.

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Suzuki, Kenji and Kurita, Masayuki, A MEMS-Based Active-Head Slider for Flying Height Control in Magnetic Recording, JSME International Journal, 2004, pp. 453-458, Series B, vol. 47, No. 3.
Schultz, Brian E., Thermal Fly-height Control (TFC) Technology in Hitachi Hard Disc Drives, www.hitachigst.com, 2006, pp. 1-4, Hitachi Global Storage Technologies, San Jose, CA.
Xu, Jianfeng, Kiely, James, Hsia, Yiao-Tee, adn Talke, Frank E., Head-Medium Spacing Measurement Using the Read-Back Signal, IEEE Transactions on Magnetics, Oct. 2006, pp. 2486-2488, vol. 42, No. 10, University of California at San Diego, La Jolla, CA.
KnowledgeTek Servo Writing, Sect 7: Position Systems, pp. 7-31 to 7-34, KnowledgeTeck, Inc.

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