A mathematical model and experimental verification of the humidity inside hard disk drives.

Abstract

A mathematical model for calculating the humidity change of the hermetic HDD was presented. This model explains how the water vapor absorbing materials behaves and how the water vapor flows through the hermetic parts of the HDD. This model was calculated by numerical simulation. Feasibility of this model was evaluated by comparing the simulated results with the measured values. This model can be used to predict the humidity of the HDD under arbitrary environmental conditions.