Carrier erasure current method for in-situ monitoring of head-disk spacing variation

IEEE Transactions on Magnetics

Volumn 35, Issue 2 PART 1, 1999, Pages 939-944

  Liu, Bo ^a   Chen, Qisuo ^a  

^a DATA STORAGE INSTITUTE   (Singapore)

Author keywords

Carrier current erasure; Dynamic load unload; Head disk spacing; Magnetic disk drive; Read write head; Track seeking

Indexed keywords

EID: 0000515983     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/20.753812     Document Type: Article

References (8)

1. C.Lin, "Techniques for the Measurement of Air-Bearing Separation - A Review", IEEE Trans.Magn., Vol.9 (4), pp667-673, 1973
2. J.M.Fleisher and C.Lin, "Infrared Laser Interferometer for Measuring Air-Bearing Separation", IBM J.Res.&Devel., pp.539-533, 1974.
3. Yufeng Li, Aric Menon, "Flying Height measurement metrology for Ultra-Low Spacing in Rigid magnetic Recording", IEEE Trans. on Magn. Vol.32 No.1, 1996.
4. C.Lacay, R.Shelor, A.J.Cormier, F.E. Talke, "Interferometric Measurement of Disk/Slider Spacing: the Effect of Phase Shift on Reflection", IEEE Trans. on Magn. Vol.29 No.6, 1993.
5. W.K.Shi, L.Y.Zhu and D.B.Bogy, "Use of Readback signal Modulation to Measure Head/Disk Spacing Variations in Magnetic Disk Files", IEEE Trans.on Magn., Vol.23, No. 1, pp233-239, 1987
6. Klaas B.Klaassen and Jack C.L.van Peppen, "Method and Circuitry for In-Situ Measurement of Transducer/ Recording Media Clearance and Transducer Magnetic Stability", US Patent 5,130,866.
7. C.D.Mee and E.Daniel, "Magnetic Recording Volume I: Technology", pp25, 1987
8. B. Liu, Q.S. Chen, Z.M. Yuan and G. Sheng, "Track Seeking, Head-Disk Spacing Variation and Head-Disk Interface Failure" IEEE Trans. on Magn., Vol.33, No. 5, Sep. 1997; pp 3136-3123.