New approaches to in-contact recording system for high-density recording

Masahiro Yanagisawa

International Journal of Product Development, 2008, vol. 5, issue 3/4, 359-377

Abstract: In this paper, we present some new technologies for in contact systems to achieve higher linear recording density for Hard-Disk Drives (HDDs). An important result for the in-contact slider was obtained, i.e., available slider mass extends to several milligrams which indicate that a conventional process technology can be applied. As a result of new pad design and lubricant materials to enhance attractive force between the head and disk surfaces, small mechanical spacing of 3 nm was confirmed. The heads with a critical load to achieve a zero-wear showed excellent wear performance. A prototype of contact HDD was well functioned on the head tracking.

Keywords: contact recording; hard disk drives; HDDs; head-disk interface; HDI; tribology; high-density recording; linear recording density; wear performance. (search for similar items in EconPapers)
Date: 2008
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