Interlaced magnetic recording

E Hwang, J Park, R Rauschmayer… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this paper, an alternative magnetic recording architecture and corresponding signal
processing schemes are presented, named interlaced magnetic recording (IMR). Tracks are …

Physics of the Sub-Monolayer Lubricant in the Head-Disk Interface

K Ono - Lubricants, 2024 - mdpi.com
This review presents a series of studies which have demonstrated that the diffusion
characteristics of rarefied mobile lubricant films used in modern magnetic disks can be …

Nanoscale heat transfer in the head-disk interface for heat assisted magnetic recording

H Wu, S **ong, S Canchi, E Schreck, D Bogy - Applied Physics Letters, 2016 - pubs.aip.org
Laser heating has been introduced in heat-assisted magnetic recording in order to reduce
the magnetic coercivity and enable data writing. However, the heat flow inside a couple of …

Use of an embedded contact sensor to study nanoscale heat transfer in heat assisted magnetic recording

H Wu, D Bogy - Applied Physics Letters, 2017 - pubs.aip.org
A near field transducer is employed in the heat assisted magnetic recording technology in
order to focus the light energy into a nanoscale spot on the disk. This is necessary to heat …

In-situ sub-angstrom characterization of laser-lubricant interaction in a thermo-tribological system

Q Cheng, S Rajauria, E Schreck, R Smith… - Communications …, 2024 - nature.com
Laser-lubricant interaction has been a critical reliability issue in a thermo-tribological system
named heat-assisted magnetic recording, one of the next generation hard disk drive …

Effect of heat conduction on viscoelastic lubricant behavior during heat-assisted magnetic recording (HAMR): A numerical study

Q Liu, L Peng, K Huang, Y Hu, Z Chen, Z Wang… - Materials Today …, 2024 - Elsevier
Heat-assisted magnetic recording (HAMR) is one of the critical technologies to overcome the
areal density limitations of hard disk drives. In order to reveal the behavior of viscoelastic …

[HTML][HTML] Finite element simulations of sliding contact of the head-disk interface in magnetic storage with lubricant effects

Y Zhang, A Shakil, M Humood… - Applied Surface Science …, 2021 - Elsevier
Perfluoropolyether (PFPE) polymer lubricant performs an important role in protecting both
the writing/reading elements in the recording head and the disk of magnetic storage devices …

Study of perfluoropolyether lubricant consumption and recovery in heat assisted magnetic recording using molecular dynamics simulation method

X Dai, H Li, S Shen, S Wu - IEEE Transactions on Magnetics, 2016 - ieeexplore.ieee.org
Currently, heat-assisted magnetic recording (HAMR) technology has been proposed as a
method for enabling higher storage density. In this paper, the molecular dynamic simulation …

Effect of viscoelasticity on lubricant behavior under heat-assisted magnetic recording conditions

S Sarabi, DB Bogy - Tribology Letters, 2018 - Springer
Abstract In Heat-Assisted Magnetic Recording (HAMR) technology, the lubricant layer
coating on the disk is exposed to severe thermal conditions, leading to evaporation …

Molecular dynamics study of lubricant depletion by pulsed laser heating

YW Seo, A Rosenkranz, FE Talke - Applied Surface Science, 2018 - Elsevier
In this study, molecular dynamics simulations were performed to numerically investigate the
effect of pulsed laser heating on lubricant depletion. The maximum temperature, the …