Asperity compliance of typical magnetic tapes is investigated as a function of contact pressure using intensity-based three-wavelength interferometry. Each spacing data is the average of 300 × 700 physical points. Asperity compliance curves for BaFe tape, MP tape, ME tape, and CrO2 tape were obtained. The experimental data was curve-fit using a parabolic contact model and the Greenwood-Williamson contact model. In addition, a comparison of the present results with previous measurements is presented.

1.
Baugh, E., Swenson, J., and Talke, F. E., 1997, “Simultaneous Three-wavelength Interferometer for Head/Tape Spacing Measurement,” to appear in JOURNAL OF TRIBOLOGY.
2.
Baugh, E., 1995, Users Guide to 3C2D Three-Color Two-Dimensional Head/Tape Spacing Measurement Package, CMRR, UCSD.
3.
Greenwood, J. A., and Williamson, J. B. P., 1966, “Contact of Nominally Flat Surface,” Proceedings of Royal Society (London), Series A295, pp. 300–319.
4.
Lacey
C.
, and
Talke
F. E.
,
1992
, “
Measurement and Simulation of Partial Contact at the Head/Tape Interface
,”
ASME JOURNAL OF TRIBOLOGY
, Vol.
114
, No.
4
, pp.
646
652
.
5.
Lacey, C., 1992, “The Head/Tape Interface,” Ph.D. thesis, CMRR, UCSD.
6.
Rancourt, J. D., 1987, Optical Thin Films: User’s Handbook, Macmillan, New York.
7.
Wang
E. L.
,
Wu
Y.
, and
Talke
F. E.
,
1996
, “
Tape Asperity Compliance Measurement Using a Pneumatic Method
,”
IEEE Transactions on Magnetics
, Vol.
32
, No.
5
, pp.
3732
3734
.
8.
Wu
Y.
, and
Talke
F. E.
,
1996
, “
The Effect of Surface Roughness on the Head-Tape Interface
,”
ASME JOURNAL OF TRIBOLOGY
, Vol.
118
, pp.
376
381
.
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