Dynamic stability of contact slider over practical disk surface

Author

Kyoung-Su Park ; Jeong-Il Chun ; Young-Pil Park ; No-Cheol Park

Author_Institution

Dept. of Mech. Eng., Yonsei Univ., Seoul, South Korea

fYear

2002

fDate

27-29 Aug. 2002

Abstract

As the contact slider system has a high area density, this system will be used in future high performance drives. So the dynamic characteristic research for this system is an important issue. The contact slider system is modeled as 2-DOF mathematical model. When slider contacts on disk surface, simulation is performed with contact governing equation. The formula for contact is derived by numerically Green´s function of a semi-infinite elastic body over the contact surface. Otherwise, when the slider flies over disk surface, the analysis is carried out with flying governing equation. Disk surface is composed by the practical disk amplitude with SPM (scanning probe microscopy). Through this model, the flying stability of contact slider are investigated for various parameters.

Keywords

Green´s function methods; magnetic disc storage; magnetic heads; mechanical contact; mechanical stability; scanning probe microscopy; 2-DOF mathematical model; Green´s function; contact slider; disk surface; dynamic stability; elastic body; governing equation; head-disk interface; magnetic recording; numerical simulation; scanning probe microscopy; Damping; Equations; Frequency; Magnetic analysis; Magnetic heads; Magnetic recording; Mathematical model; Microscopy; Probes; Stability;

fLanguage

English

Publisher

ieee

Conference_Titel

Magnetic Recording Conference, 2002. Digest of the Asia-Pacific

Conference_Location

Singapore

Print_ISBN

0-7803-7509-2

Type

conf

DOI

10.1109/APMRC.2002.1037665

Filename

1037665