The static induction gate structure provides the high turn-on gain. This functionally integrated power device propose the high efficiency to switch the large energy. These devices can be operated at high speed and can perform complex and novel circuit functions with reduced component counts. Skewness and kurtosis of the individual disk surfaces are calculated and deviation of the height distributions and bearing area curves from Gaussian behavior is determined. Modern digital control theory is used in servo algorithm design, and the servo algorithm is implemented by a high-speed microprocessor, OES 22040 model.
Margin is derived from half window minus bit-shift value.
According to the curve, once the constant margin threshold is set, then the optimum zone number is also determined. Each zone is determined by the intersection of a particular threshold and margins curve at different transfer rate. In this paper, two new methods are developed to divide zones. The recent development for laptop and notepad PCs further demands the need for low power and smaller files. The technology trends in magnetic recording in terms of areal density, volumetric efficiency, and material advances based on published data are reviewed.