Tc. Fu et Db. Bogy, DYNAMIC LOAD HEAD-DISK INTERFACE DURABILITY OF 50 PERCENT SLIDERS ANDPOLISHED DISKS, IEEE transactions on magnetics, 32(5), 1996, pp. 3747-3749
The dynamic load head-disk interface durability is experimentally inve
stigated using 50 percent TPC sliders and super-smooth disks. Severe h
ead-disk contact conditions are applied and disk-synchronized head loa
ding motions are performed in order to see the effect of repeated dyna
mic load head-disk contacts. Readback signals are recorded and analyze
d, and the disk surfaces of the head-disk contact area are examined af
ter 100,000 repeated contacts. The results are compared with those of
our previous study. We find that the dynamic load head-disk interface
durability of 50 percent TPC sliders and polished disks is superior to
that of 70 percent taper-flat sliders and textured disks, and the exp
erimental results suggest that better dynamic load head-disk interface
reliability can be achieved with good head-loading velocity control,
even though head-disk contact may occur during loading.