Title :
Investigation of particle generation in a hard disk drive during the start/stop period
Author :
Park, Hee-Sung ; Yoo, Yong-Cheol ; Bae, Gwi-Nam ; Hwang, Jung-Ho
Author_Institution :
Dept. of Mech. Eng., Yonsei Univ., Seoul, South Korea
fDate :
9/1/1999 12:00:00 AM
Abstract :
Particle contamination in a hard disk drive has been recognized as an important issue because particles can significantly affect the reliability of the drive. In this study, characteristics of the particle generation in a hard disk drive during the start/stop period were investigated. The number of particles generated in the drive was measured at 5 locations using CNC (condensation nucleus counter) with a sampling probe. It was found that most of the particles were generated whenever the drive started or stopped. The number of particles detected by the condensation nucleus counter depended on parameters including sampling location and sampling velocity
Keywords :
disc drives; hard discs; reliability; wear; condensation nucleus counter; hard disk drive; particle generation; reliability; sampling location; sampling probe; sampling velocity; start/stop period; Character generation; Computer numerical control; Contamination; Counting circuits; Drives; Hard disks; Nuclear measurements; Particle measurements; Pollution measurement; Sampling methods;
Journal_Title :
Magnetics, IEEE Transactions on
