Water adsorption and friction on thin film magnetic recording disks

Tribology Transactions

Volumn 46, Issue 3, 2003, Pages 469-478

  Karis, T E ^a   Tawakkul, M A ^a  

^a SAN JOSE RESEARCH CENTER   (United States)

Author keywords

Adsorption; Disks; Friction; Head; Humidity; Lubricants; Magnetic; Slider; Water; Water thickness

Indexed keywords

ADSORPTION; FRICTION; MAGNETIC RECORDING; THIN FILMS; WATER; FILM GROWTH; MAGNETIC DISK STORAGE;

AREAL DENSITY; DISKS; HEAD; MAGNETIC; SLIDERS; WATER THICKNESS;

MAGNETIC DISK STORAGE; MAGNETIC RECORDING;

ADSORPTION; DISK DRIVE; FILM THICKNESS; FRICTION; HUMIDITY; LUBRICANT; MAGNETIC RECORDING; PERFLUOROPOLYETHER;

EID: 0141750398     PISSN: 10402004     EISSN: 1547397X     Source Type: Journal    
DOI: 10.1080/10402000308982653     Document Type: Article

References (37)

1. Novotny, V. J. and Baldwinson, M. A. (1991), –Lubricant Dynamics in Sliding and Flying,— Jour. Appl. Phys.. 70. 10. pp 5647-5652.
2. Novotny, V. J. (1996), –Mechanical Integration of High Recording Density Drives.— IEEE Trans. Matin., 32. 3. pp 1826-1831.
3. Karis, T. E. and Jhon, M. S. (1998). ‘The Relationship Between PFPE Molecular Rbeology and Tnbology." Trib. Iwtt., 5. 4. pp 283-286.
4. Mate, C. M. and Wilson, R. S. (2001), –Grand Unified Tlicory of Fluorocarbon Polymer Mobility on Disk Surfaces.— in Proc. ACS Symposium Series 7H7. Fluorinated Surfaces. Coatings, amI Films, Costner. D. G. and Grainger. D. W., Eds.. American Chemical Society. Washington. D.C.. pp 83-95.
5. Karis, T. E., Marchon, B., Flores, V. and Scarpulla, M. (2001a). –Lubricant Spin- Off From Magnetic Recording Disks,— Trib. Ltd. II. 3-4. pp 151-159.
6. Wang, R. H., White, R. L., Min, B. G., Kellock, A., Homola, A. and Yoon, D. (1996). “The Interaction of Perfluoro-polyether Lubricant with Hydrogenated Carbon." IEEE Trans Magn.. 32. 5. pp 3777-3779
7. Bhuslutn, B. and Zhao, Z. (1997). –Friction/Stiction and Wear Studies of Magnetic Thm-Film Disks with Two Polar Perfluoropolycther Lubricants,— IEEE Trans Mag.. 33. 1. pp 918-925.
8. Karis, T. E., Tyndall, G. W. and Waltman, R. J. (2001b), “Lubricant Bonding Effects on Thin Film Disk Tribology." Trib. Trans.. 44. 2. pp 249-255.
9. Karis, T. E. (2001). ‘Tribocbemistry in Contact Recording." Trib lu’tt.. 10,3, pp 149-162
10. O’Connor, T. (1995). "Spreading of Ultra-Thin Pcrfluoropolycthcr Films.” PhD thesis. Carnegie Mellon University, Pittsburgh. PA.
11. Min, B. G., Choi, J. W., Brown, U. R. and Yoon, D. Y. (1995). –Spreading Characteristics of Thin Liquid Films of Perfluoropolyalkylcihcrs on Solid Surfaces. Effects of Chain-End Functionality and Humidity.— Trib. Lett. 1. pp 225-232
12. Ma, X. (1998), –Spreading of Pcrfluoropolycther Films on Amorphous Carbon Surfaces,— PhD Thesis. Carnegie Mellon University. Pittsburgh. PA.
13. Karis, T. E. (2000). –Water Adsorption on Thin Film Media.— Jour. Colloi Interface Sci.. 225. pp 196-203.
14. Tyndall, G. W., Waltman, R. J. and Pacansky, J. (2001). “Effect of Adsorbed Wuicr on Pcrfluoropolycther Lubricated Magnetic Recording Disks,” Jour. Appl. Phys., 90, 12, pp 6278-6296.
15. Danusso, F., Levi, M., Gianotti, G. and Turn, S. (1993), “End Unit Effect on the Glass Transition Temperature of Low-Molecular Weight Polymers and Copolymers," Polymer, 34, 17, pp 3687-3693.
16. Karis, T. E., Marchon, B., Hopper, D. A. and Siemens, R. L. (2002), “Perfluoropolycther Characterization by Nuclear Magnetic Resonance Spcctroscopy and Gel Permeation Chromatography,” Jour. Fluor. Chem 118, 12, pp 81-94.
17. Adamson, A. W., Hu, P. and Tadros, M. E. (1974), –Adsorption and Contact Angle Studies,— Jour. Colloid Interface Sci., 49, 2, pp 184-195.
18. Kasai, P. H., Wass, A. and Yen, B. K. (1999), –Carbon Overcoat: Structure and Bonding of Zdol,— Jour. info. Storage Proc. Sys., 1, pp 245-258.
19. Adamson, A. W. (1968), “An Adsorption Model for Contact Angle and Spreading,” Jour. Colloid Interface Sci.t 27, 2, pp 180-187.
20. Adamson, A. W. (1973), “Potential Distortion Model for Contact Angle and Spreading,” Jour. Colloid Interface Sci., 44, 2, pp 273-281.
21. Hirth, J. P. and Pound, G. M. (1963), Condensation and Evaporation, Pergamon Press, The MacMillan Co., New York, p 79.
22. Tanaka, H., Yoncmura, S. and Tokisue, H. (2001), “Slider Dynamics During Continuous Contact with Tcxtured and Smooth Disks in Ultra-Low Flying Height,” IEEE Trans. Mann., 37, 2, pp 906-911.
23. Khurshudov, A., Baumgart, P. and Waltman, R. J. (1999), “In-situ Quantitative Analysis of Nano-Scale Lubricant Migration at the Slider-Disk Interface,” Wear, 225, 229, pp 690-699.
24. Khurshudov, A. and Waltman, R. J. (2001), “The Contribution of Thin PFPE Lubricants to Slider-Disk Spacing,” Trib. Lett., 11, 3 pp 143-149.
25. Waltman, R. J. and Khurshudov, A. G. (2002), “The Contribution of Thin PFPE Lubricants to Slider-Disk Spacing. 2. Effect of Film Thickness and Lubricant End Groups," Trib. Lett., 13, 3 pp 197-202.
26. Cheng, T., Zhao, B., Chao, J., Mccks, S. W. and Velidandea, V. (2000), “The Lubricant Migration Rate on the Hard Disk Surface,” Trib. Lett., 9, 3-4, pp 181-185
27. Oatis, S., Imre, D., McGraw, R. and Xu, J. (1998), “Heterogeneous Nucleation of a Common Atmospheric Aerosol: Ammonium Sulfate,” Geophysical Research Letters, 25, 24, pp 4469-4472.
28. Cass, G. R., Hughes, L. A., Bhave, P., Kleeman, M. J., Allen, J. O. and Salmon, L. G. (2000), “The Chemical Composition of Atmospheric Ultrafine Panicles,” Phil. Trans. Roy. Soc. Lond. A, 358, pp. 2581-2592.
29. Lightstone, J. M., Onasch, T. B., Imre, D. and Oatis, S. (2000), "Deliquescence, Efflorescence, and Water Activity in Ammonium Nitrate and Mixed Ammonium Nitrate/Succinic Acid Microparticles,” Jour. Phys. Chem. A, 104, pp 9337-9346.
30. Hin, D. E., Prud’homme, R. K., Miller, B. and Rebenfeld, L. (1990), “Dynamic Surface Tension of Hydrocarbon and Fluorocarbon Surfactant Solutions using the Maximum Bubble Pressure Method,” Colloid. Surf., 44, pp 101-117.
31. Yanagisawa, M. (1998), “Lubricant Design for Contact Recording Systems," IEICE Trans. Elect., E81-C, 3, pp 343-348.
32. Kato, T., Watanabe, S. and Matsuoka, H. (2000), “Dynamic Characteristics of an ln-Contact Headslider Considering Meniscus Force: Part 1—Formulation and Application to the Disk with Sinusoidal Undulation,” Jour, of Trib., 122, pp 633-638.
33. Kato, T., Watanabe, S. and Matsuoka, H. (2001), “Dynamic Characteristics of an In-Contact Headslider Considering Meniscus Force: Pari 2— Application to the Disk with Random Undulation and Design Conditions,” Jour, of Trib., 123, pp 168-174.
34. Marchon, B., Heiman, N. and Khan, M. R. (1990), “Evidence for Tribochemical Wear on Amorphous Carbon Thin Films,” IEEE Trans. Magn., 26, 1, pp 168-170.
35. Sheng, G. and Zhang, J. (2001), “An Experimental and Theoretical Investigation of Disk Damage Caused by Head-Disk Impact in Loading Process,” IEEE Trans. Magn., 37, 4, pp 1863-1865.
36. Aranson, I. S., Tsimring, L. S. and Vinokur, V. M. (2002), “Stick-SIip Friction and Nucleation Dynamics of Ultrathin Liquid Films,” Phys. Rev. B., 65, 125-402, pp 1-7.
37. Persson, B. J. (1997), “Theory of Friction: Friction Dynamics for Boundary Lubricated Surfaces,” Phys. Rev. B, 55, 12, pp 8004-8012.