Surface energy of a magnetic recording disk: influence of the carbon overcoat composition

Surface energy is an important surface property of a magnetic recording disk There are three predominant factors that influence the surface energy of a disk: (1) lubricant, (2) carbon overcoat and (3) interaction between the lubricant and carbon overcoat. In this work we show how the lubricant thick...

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Bibliographic Details
Published inIEEE transactions on magnetics Vol. 35; no. 5; pp. 2391 - 2393
Main Authors Leezenberg, P.B., Martner, C.C., Hermsmeier, B.D., Crowder, M.S.
Format Journal Article Conference Proceeding
LanguageEnglish
Published New York, NY IEEE 01.09.1999
Institute of Electrical and Electronics Engineers
Subjects
Amorphous materials
Applied sciences
Contacts
Disk recording
Drives
Electronics
Exact sciences and technology
Lubricants
Magnetic devices
Magnetic films
Magnetic recording
Mechanical factors
Optical films
Other magnetic recording and storage devices (including tapes, disks, and drums)
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Surface resistance
Amorphous hydrogenated material
Magnetic disk
Experimental study
Coatings
Carbon
Surface energy
Magnetic recording
Lubricant
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Summary:Surface energy is an important surface property of a magnetic recording disk There are three predominant factors that influence the surface energy of a disk: (1) lubricant, (2) carbon overcoat and (3) interaction between the lubricant and carbon overcoat. In this work we show how the lubricant thickness and carbon overcoat composition influence the surface energy of the disk Furthermore, we are able to ascertain interactions at the lubricant-overcoat interface by studying the surface energy of the disk.
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ISSN:0018-9464
1941-0069
DOI:10.1109/20.800835