Tribological behavior of rigid disks with high density micro cone-shaped projections

Author

Kozu, Junichi ; Kuriyama, Toshihiko ; Seo, Yuzo ; Arita, Yoji ; Yokoyama, Fumiaki

Author_Institution

Yokohama Res. Center, Mitsubishi Chem. Corp., Yokohama, Japan

Volume

32

Issue

5

fYear

1996

fDate

9/1/1996 12:00:00 AM

Firstpage

3768

Lastpage

3770

Abstract

Micro cone-shaped projections formed on the NiP surface by laser technique are described as a new texture of rigid disks. In order to achieve the lower glide height (G/H), the projection height must be lower. Therefore, it is required that the projection spacing is short and the top shape of projection has large curvature as that real contact area between a slider and a projection does not increase. Optimized texture pattern guaranteed 1.2 uin. G/H showed excellent CSS performances. The good tribological durability is attributed to the precise controllability of the real contact area according to the projection density, considering the wear of carbon layer

Keywords

hard discs; laser materials processing; magnetic recording; nickel compounds; surface texture; wear; CSS performance; NiP; NiP surface; carbon layer; contact area; glide height; laser technique; micro cone-shaped projections; rigid disk; texture; tribological durability; wear; Cascading style sheets; Chemical lasers; Laser beams; Laser tuning; Optical surface waves; Shape; Surface emitting lasers; Surface texture; Surface topography; Temperature;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.538830

Filename

538830