Title :
Mobility of Z-Dol lubricant thin film on carbon overcoat surface
Author :
Zhu, Lei ; Liew, Tom
Author_Institution :
Data Storage Inst., Nat. Univ. of Singapore, Singapore
fDate :
7/1/2001 12:00:00 AM
Abstract :
We simulate the slider/disk interaction induced Zdol lubricant depletion and flow-back dynamics by time-of-flight secondary ion mass spectrometry (TOF-SIMS). Experimental results show that the lubricant flow rate is inversely proportional to original lubricant thickness. The flow rate on partially removed lubricant layer is much higher than that on lubricant depleted carbon surface. These could be attributed to the increase in disjoining pressure gradient with aid of ion beam sputtering on lubricant surfaces
Keywords :
carbon; lubrication; magnetic disc storage; magnetic heads; polymer films; secondary ion mass spectra; sputtering; surface diffusion; time of flight mass spectra; C; Z-Dol lubricant thin film; carbon overcoat surface; flow-back dynamics; ion beam sputtering; mobility; slider/disk interface; surface diffusion; time-of-flight secondary ion mass spectrometry; Hard disks; Ion beams; Lubricants; Mass spectroscopy; Polymers; Protection; Solids; Sputtering; Thickness measurement; Transistors;
Journal_Title :
Magnetics, IEEE Transactions on
