Future vertex detection at an upgraded KEK-B factory, already the highest luminosity collider in the world, will require a detector technology capable of withstanding the increased track densities and larger radiation exposures.
In order to remain competitive with other data storage technologies, the tape industry is planning to significantly increase track densities on tape.
Due to the need for precise vertexing at future higher luminosity B-factories with the expectedly increasing track densities and radiation exposures, upgrade of present silicon strip detectors with thin, radiation resistant pixel detectors is highly desired.
Although linear density has increased dramatically increases in track density are limited by servo bandwidths, which are controlled by the actuator resonance.
The coverage gradually increased, tracking expression level, with much higher read densities for the most highly-expressed genes (Wilcoxon-Mann-Whitney p = 10−16) (Figure 4, upper panel).
Thus, AAM tracking optimization is applied to increase tracking precision.
As the recording track density increases in hard-disk drives, the off-track error-rejection capability of the servo controller must also be increased.
The general design would remain the same until the demise of half-inch reel-to-reel tapes in the 1990s, with only incremental improvements: more (9) tracks, increased recording density (200, 556, 800, 1600, 6250 bpi/cpi), automatic recognition of different densities, longer tapes (2400 and 3600 feet), greater speed, and automatic loading (compare with the DEC TU-45 from 1977).
As the track density of hard disk drives increases, further improvement in the performance of the read/write head positioning servo system is required.
The enrichment ratio was defined as the ratio of the track density (tracks/µm) inside adhesions to the track density outside adhesions within a given area.
