Title :
Flying height-attitude observation and investigation of sliders in load/unload process
Author :
Zhou, Jiang ; Ma, Yansheng ; Liu, Bo ; Leng, Qingfang ; Matsumoto, Masaaki ; Xu, Junguo
Author_Institution :
Data Storage Inst., Singapore, Singapore
fDate :
9/1/2002 12:00:00 AM
Abstract :
A novel flying height-attitude testing system was developed based on white-light interferometry. Flying heights at three desired locations on the slider surface can be determined simultaneously with this system and, thus, slider attitude can be fully determined from the measurement results. Load and unload processes were systematically studied with this system and some details were revealed.
Keywords :
attitude measurement; hard discs; height measurement; light interferometry; flying height-attitude testing system; gimbal vibrations; hard disk drives; head-disk spacing; load processes; load/unload process; pitch angle fluctuations; slider attitude determination; slider surface locations; suspension vibrations; unload processes; white-light interferometry; Image edge detection; Memory; Mirrors; Optical interferometry; Optical surface waves; Photodetectors; Position measurement; Surface waves; System testing; Wavelength measurement;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2002.802830
