Media corrosion: Not just an overcoat problem

IEEE Transactions on Magnetics

Volumn 46, Issue 1, 2010, Pages 92-94

  Dai, Q ^a   Marchon, B ^a   Do, H ^a   Takano, K ^a   Wang, J L ^b  

^a HITACHI AMERICA LTD   (United States)

^b SAN JOSE RESEARCH CENTER   (United States)

Author keywords

EIS; Overcoat; PMR corrosion; Roughness

Indexed keywords

CAPPING LAYER; EIS; PERPENDICULAR MAGNETIC RECORDING MEDIA; SEGREGANTS; SURFACE ENERGIES;

ATOMIC FORCE MICROSCOPY; ATOMIC SPECTROSCOPY; ELECTROCHEMICAL CORROSION; MAGNETIC RECORDING; SURFACE CHEMISTRY; SURFACE TENSION;

ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY;

EID: 73249118672     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2009.2034473     Document Type: Article

References (8)

1. R. W. J. Chia, J. Edwards, M. Geisler, and C. Wang, "Effect of disk roughness and carbon impact energy on corrosion protection of magnetic recording films," Tribol. Int., vol.33, pp. 323-327, 2000.
2. Q. Dai, U. Nayak, D. Margulies, B. Marchon, R.Waltman, K. Takano, and J. Wang, "Tribological issues in perpendicular recording media," Tribol. Lett., vol.26, pp. 1-9, 2007.
3. J. Ross-Macdonald, Ed., Impedance Spectrocopy. New York:Wiley, Editor.
4. B. K. Yen, R. L. White, R. J.Waltman, C. M. Mate, Y. Sonobe, and B. Marchon, "Coverage and properties of a-SiN hard disk overcoat," J. Appl. Phys., vol.93, pp. 8704-8706, 2003.
5. Q. Dai, B. K. Yen, R. White, P. Peterson, and B. Marchon, "Toward an understanding of overcoat corrosion protection," IEEE Trans. Magn., vol.39, no.5, p. 2450, Sep. 2003.
6. S. Y. Jung and T. M. Devine, "Influence of nanothick layers of DLC on the rates of electrochemical reduction reactions on magnetic hard disks," J. Electrochem. Soc., vol.151, pp. B195-B205, 2004.
7. S. H. Overbury, P. A. Bertrand, and G. A. Somorjai, "Surface composition of binary-systems-Prediction of surface phase-diagrams of solid-solutions," Chem. Rev., vol.75, pp. 547-560, 1975.
8. D. Margulies et al., unpublished TEM data.