This paper proposes a design method for determining the configuration of a TPC slider by using an optimization technique in order to meet the desired flying characteristics over the entire recording band. The desired flying characteristics considered in this study are to minimize the variation in flying height from a target value, to maintain the pitch angle as large as possible, to keep the roll angle as small as possible, and to keep the outside rail to fly lower than the inside rail. The design variables selected are left-side step width, pad width, right-side step width, side step depth, front taper height, and pivot offset in the transverse direction of the slider. The sequential quadratic programming (SQP) method in Automated Design Synthesis (ADS) is used to efficiently find the optimum design variables which simultaneously meet all the desired flying characteristics. To validate the suggested design method, a computer program is developed and applied to the configuration design of two TPC slider models positioned by a rotary actuator. The optimum configurations of each slider model are automatically obtained for three different target flying heights with the same predefined skew angle range without any difficulty. This shows the effectiveness of the proposed design method in comparison with the conventional one based on the parametric study.

1.
Cha
E.
, and
Bogy
D. B.
,
1995
, “
A Numerical Scheme for Static and Dynamic Simulation of Subambient Pressure Shaped Rail Sliders
,”
ASME JOURNAL OF TRIBOLOGY
, Vol.
117
, No.
1
, pp.
36
46
.
2.
Choi
D.-H.
, and
Yoon
S.-J.
,
1994
, “
Static Analysis of Flying Characteristics of the Head Slider by Using an Optimization Technique
,”
ASME JOURNAL OF TRIBOLOGY
, Vol.
116
, No.
1
, pp.
90
94
.
3.
Fukui
S.
, and
Kaneko
R.
,
1988
, “
Analysis of Ultra-Thin Gas Film Lubrication Based on Linearized Boltzmann Equation: First Report-Derivation of a Generalized Lubrication Equation Including Thermal Creep Flow
,”
ASME JOURNAL OF TRIBOLOGY
, Vol.
110
, No.
5
, pp.
253
262
.
4.
Fukui
S.
, and
Kaneko
R.
,
1990
, “
A Database for Interpolation of Poiseuille Flow Rates for High Knudsen Number Lubrication Problems
,”
ASME JOURNAL OF TRIBOLOGY
, Vol.
112
, pp.
78
83
.
5.
Kumaran, A. R., Lue, K., and Talke, F. E., 1989, “The Effect of Leading Edge Taper Angle on the Flying Characteristics and Impact Response of Winchester Type Sliders,” Tribology and Mechanics of Magnetic Storage Systems, Vol. VI, pp. 53–58.
6.
O’Hara
M. A.
, and
Bogy
D. B.
,
1995
, “
Robust Design Optimization Techniques for Ultra-Low Flying Sliders
,”
IEEE Transactions on Magnetics
, Vol.
31
, No.
6
, pp.
2955
2957
.
7.
Vanderplaats, G. N., 1984, Numerical Optimization Techniques for Engineering Design, McGraw-Hill.
8.
Vanderplaats, G. N., 1985, ADS—A Fortran Program for Automated Design Synthesis Version 1.10, Engineering Design Optimization, Inc.
9.
White, J. W., 1986, “An Air Bearing Slider with Uniform Flying Height and Fast Take-Off Characteristics,” Tribology and Mechanics of Magnetic Storage Systems, Vol. III, pp. 95–101.
10.
White
J. W.
,
1991
, “
The Transverse Pressure Contour Slider: Flying Characteristics and Comparisons with Taper-Flat and Cross-Cut Type Sliders
,”
Advances in Information Storage Systems
, Vol.
3
, pp.
1
14
.
11.
White
J. W.
,
1993
, “
The Complexity of Analysis and the Challenge of Air-Bearing Design at Flying Heights of Three Microinches
,”
Advances in Information Storage Systems
, Vol.
5
, pp.
409
434
.
This content is only available via PDF.
You do not currently have access to this content.