Disc drive technology: still jumping the hurdles

The workstation has made the leap from desk-side to desk-top-but not at the expense of computing power or storage capacity. Today´s design and graphics systems share a voracious appetite for both. Space and power consumption have become increasingly important considerations for all components of these systems. For these reasons the 3.5 inch disc drive has overtaken 5 inch as the drive of choice for integration within the workstation. High end 3.5 inch products are now at the edge of drive technology, offering up to 200 Mbytes formatted storage capacity in half-height form factor. Development of higher storage capacity within the same package continues. The mechanics and electronic control system comprising the 3.5 inch disc memory are a microcosm of engineering excellence. From fundamental materials science through precision mechanical design to the forefront of servo and signal systems engineering, they reflect advances in many disciplines