A study of the head disk interface shock failure mechanism

1994 ◽  
Vol 30 (6) ◽  
pp. 4155-4157 ◽  
Author(s):  
S. Kumar ◽  
V.D. Khanna ◽  
M. Sri-Jayantha
Keyword(s):  
Failure Mechanism ◽  
Head Disk Interface ◽  
Disk Interface

Effect of particulate contamination on the friction and wear of a magnetic head-rigid disk interface

2000 ◽  
Vol 214 (5) ◽  
pp. 493-505 ◽  
Author(s):  
S Chandra ◽  
B Bhushan
Keyword(s):  
Failure Mechanism ◽  
Friction And Wear ◽  
Particle Concentration ◽  
Damage Mechanism ◽  
Flying Height ◽  
Head Disk Interface ◽  
Magnetic Head ◽  
Disk Interface ◽  
Particulate Contamination ◽  
Rigid Disks

Particulate contamination studies were carried out with laser-textured and mechanically textured magnetic rigid disks and nanosliders. The effects of particle concentration and its size, particle material, duration of exposure to contamination, interface speed and disk textures were studied. The head-disk interface (HDI) durability increased as particle concentration decreased. The effect of different hard-particle materials was attributed to how easily it can form agglomerates. Data indicate that limited-time exposure to a class 10 000 environment will not deter tribological performance of the HDI. In a contaminated environment, head flying in the data zone exhibited higher durability than that in the-lase textured zone. However, the mechanically textured disk and the data zone of laser-textured disks showed comparable durability in the presence of contamination. The HDI damage mechanism and pattern changed as the disk speed changed. A failure mechanism to show how the airborne particles interact with the interface is presented. The effects of the HDI geometry, flying height, pitch angle which controls the air flow pattern govern the failure mechanism in the flying mode.

Study of clock head/disk interface failure mechanism in servo-writing process

1998 ◽  
Vol 34 (4) ◽  
pp. 1723-1725 ◽  
Author(s):  
Bo Liu ◽  
Gang Sheng ◽  
Qisuo Chen ◽  
Qingfang Leng ◽  
C.T. Yeo ◽  
...  
Keyword(s):  
Failure Mechanism ◽  
Writing Process ◽  
Head Disk Interface ◽  
Interface Failure ◽  
Disk Interface

Effect of media overcoat on van der Waals interaction at the head–disk interface

2005 ◽  
Vol 97 (12) ◽  
pp. 126106 ◽  
Author(s):  
Raymond R. Dagastine ◽  
Lee R. White ◽  
Paul M. Jones ◽  
Yiao-Tee Hsia
Keyword(s):  
Van Der Waals ◽  
Van Der Waals Interaction ◽  
Head Disk Interface ◽  
Disk Interface

Head–Disk Interface Materials Issues in Heat-Assisted Magnetic Recording

2014 ◽  
Vol 50 (3) ◽  
pp. 137-143 ◽  
Author(s):  
Bruno Marchon ◽  
Xing-Cai Guo ◽  
Bala Krishna Pathem ◽  
Franck Rose ◽  
Qing Dai ◽  
...  
Keyword(s):  
Magnetic Recording ◽  
Head Disk Interface ◽  
Heat Assisted Magnetic Recording ◽  
Disk Interface ◽  
Interface Materials
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