11.5 Gb/in/sup 2/ recording using spin-valve heads in tape systems

A study on high-density recording with particulate tape media for data storage systems

“…[16] Thus, discussions were initiated among the Information Storage Industry Consortium (INSIC), the industrial organization for tape systems, regarding the nextgeneration tape that would succeed MP tape.…”

Metal Evaporated Media

“…GMR technology provides additional sensitivity compared to AMR technology. The availability of GMR sensors, thus gave the opportunity to demonstrate even higher recording densities (Kagawa et al, 1997;Motohashi et al, 2007;Ozue et al, 2002;Suzuki et al, 2004;Tetsukawa et al, 2002). Areal density of 4, 11.5, and 23 Gb/in.…”

“…Areal density of 4, 11.5, and 23 Gb/in. 2 were achieved using GMR sensors and optimized Co-CoO metal evaporated media between the years 2002 and 2007 (Motohashi et al, 2007;Ozue et al, 2002;Tetsukawa et al, 2002). These demonstrations exploited fully the possibility to tune the medium magnetic properties with the evaporation conditions and therefore to adjust the medium Mr.t product to the sensitivity of the available GMR readers.…”

Recording Performances of Perfectly Aligned HSS Heads

“…The improvement came from a better alignment of the magnetic poles of the MIG write head, achieved by mechanical trimming. A recording density of 11.5 was reported in [2] using thin ME tape and a GMR read head, without addressing the side writing/erasing issue. However, such density can practically be achieved only if the erase bands are reduced close to 0.…”