Use of readback signal modulation to measure head/disk spacing variations in magnetic disk files

IEEE Transactions on Magnetics

Volumn 23, Issue 1, 1987, Pages 233-240

  Shi, W K ^a   Zhu, L Y ^b   Bogy, D B ^b  

^a SHANGHAI JIAO TONG UNIVERSITY   (China)

^b UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DOPPLER EFFECT; LASER BEAMS - APPLICATIONS; MODULATION;

HEAD/DISK SPACING; LASER-DOPPLER VIBROMETER; READBACK SIGNAL MODULATION;

DATA STORAGE, MAGNETIC;

EID: 0022594911     PISSN: 00189464     EISSN: 19410069     Source Type: Journal    
DOI: 10.1109/TMAG.1987.1064817     Document Type: Article

References (10)

1. G. Bouchard, D. K. Miu, D. B. Bogy, and F. E. Talke, “On the dynamics of Winchester and 3370-type sliders used in magnetic recording disk files,” Tribology and Mechanics of Magnetic Storage Systems, ASLE Special Publication SP-16, pp. 90-96, 1985
2. D. B. Bogy, G. Bouchard, W. R. Chang, and F. E. Talke, “Use of the laser-Doppler vibrometer to measure surface topography of magnetic disks,” Wear, vol. 107, pp. 227–244, 1986.
3. D. B. Bogy and F. E. Talke, “Laser Doppler interferometry on magnetic recording systems,” IEEE Trans. Magn., vol. MAG-21, pp. 1332–1337, 1985.
4. G. R. Briggs and P. G. Herkart, “Unshielded capacitor probe technique for determining disk file ceramic slider flying characteristics,” IEEE Trans. Magn., vol. MAG-7, pp. 428–431, 1971.
5. J. M. Fleisher and C. Lin, “Infrared laser interferometer for measuring air-bearing separation,” IBM J. Res. Devel., pp. 529–533, 1974.
6. N. N. Hsu, “A mechanical AE simulator for system calibration and waveform analysis,” 16th Meeting U.S. Acoustic Emission Working Group, Williamsburg, VA, 1977.
7. C. Lin, “Techniques for the measurement of air-bearing separation—A review,” IEEE Trans. Magn., vol. MAG-9, no. 4, 673–667, 1973.
8. D. K. Miu, G. Bouchard, D. B. Bogy, and F. E. Talke, “Dynamic response of a Winchester-type slider measured by laser Doppler interferometry,” IEEE Trans. Magn., vol. MAG-20, no. 5, pp. 927–930, 1984
9. A. Nigam, “A visible laser interferometer for air bearing separation measurement to submicron accuracy,” J. Lubr. Technol., Trans. ASME, vol. 104, pp. 60–65, 1982.
10. K. Ono, “Dynamic characteristics of air-lubricated slider bearing for noncontact magnetic recording,” J. Lubr. Technol. Trans. ASME, pp. 250–260, 1975.