Surfactants play a variety of critical roles in tribology. In addition to controlling friction and
wear, they also allow for control of a wide range of properties of lubricants, such as …

We report experimental data that suggest the existence of a critical clearance between the
flying head and the disk in a hard disk drive, below which significant lubricant transfer from …

Lubricant accumulation on the slider's surface of a hard disk drive (HDD) has a detrimental
effect on its read/write performance. Air flow through the slider-disk clearance moves some …

This chapter focuses on lubricants for the magnetic recording disk and the spindle bearing
motor. Rheological measurements are employed not only to characterize the viscosity but …

A modified coarse-grained, bead-spring model was used to investigate the effect of lubricant
fragments (LF) on lubricant transfer from a rotating disk to a slider in this paper. The …

Heat assisted magnetic recording is a promising technique to overcome the
superparamagnetic limit. However, it brings about serious problems to the slider-disk …

When the storage density is several Tb/in 2, the head-disk spacing will drop into an
angstrom-scale regime. At such small clearance, the electrostatic force (EF) becomes …

The contact potential across the head-disk interface is investigated. AC voltage was applied
to the disk surface using a mercury connector located at the top of the spindle, keeping the …

The electrostatic force at head-disk interface (HDI) becomes increasingly significant when
the head-disk clearance is dropping into 1 nm scheme. Therefore, detecting and eliminating …

The lubricant transfer at the head disk interface of hard disk drives was investigated by the
direct simulation Monte Carlo method. It was found that the air molecules between the disk …