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Proceedings Paper

Optimization design for head/media zone-bit recording
Author(s): Lilian Huang; Hui-Tsern Tseng
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Paper Abstract

In order to divide the disk surface into optimum zones, the head/media margin characteristic curve at various transfer rate throughout disk surface is needed. Margin is derived from half window minus bit-shift value. According to the curve, once the constant margin threshold is set, then the optimum zone number is also determined. Each zone is determined by the intersection of a particular threshold and margins curve at different transfer rate. In this paper, two new methods are developed to divide zones. First, the setting threshold to a constant margin (nsec), one third of the half window of the inner-most transfer rate, 13.3 Mb/s, six zones can be obtained and total capacity is 42.0 MB, which is 26.3 increment by comparing with the capacity of the single zone. Second, setting the threshold to a relative margin ( of the half window, the same number of zones also can be obtained with 44.4 MB total capacity, which is 33.5 increment by comparing with the capacity of the single zone.

Paper Details

Date Published: 28 October 1992
PDF: 4 pages
Proc. SPIE 1816, Electro-Optic Computer Peripherals Technology, (28 October 1992); doi: 10.1117/12.131333
Show Author Affiliations
Lilian Huang, Industrial Technology Research Institute (Taiwan)
Hui-Tsern Tseng, Industrial Technology Research Institute (Taiwan)

Published in SPIE Proceedings Vol. 1816:
Electro-Optic Computer Peripherals Technology
Eric G. Lean; Min-Shyong Lin, Editor(s)

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