NDLI: Study of the Adsorption of Siloxane and Hydrocarbon Contaminants onto the Surfaces at the Head/Disk Interface of a Hard Disk Drive by Thermal Desorption Spectroscopy

Content Provider	Springer Nature Link
Author	Akamatsu, Naotoshi Ohtani, Toshiaki
Copyright Year	2002
Abstract	The adsorption of siloxanes and hydrocarbons, which are common harmful contaminants found on hard disk drives (HDDs), has been investigated by thermal desorption spectroscopy (TDS). The desorption energy of each molecule from various modeled surfaces at the head/disk interface (HDI) was determined. The surfaces studied in this literature were (a) hydrogenated amorphous carbon (a-C:H), (b) a-C:H with perfluoropolyether (PFPE) and (c) a nascent surface of a-C:H. Considerable variations in the monolayer desorption energy of a siloxane model compound were observed. The monolayer desorption energy of a siloxane model compound from a plain a-C:H surface is higher than that from an a-C:H surface with perfluoropolyether, while that from a nascent a-C:H surface is far higher than that from an a-C:H surface. Meanwhile, the monolayer desorption energy of a hydrocarbon model compound from a-C:H is a little bit higher than that from a-C:H with perfluoropolyether. These results suggest that the adsorption of these harmful contaminants can be decreased by the control of HDI surfaces, and therefore we can reduce the risk of failure of HDDs.
Starting Page	15
Ending Page	20
Page Count	6
File Format	PDF
ISSN	10238883
Journal	Tribology Letters
Volume Number	13
Issue Number	1
e-ISSN	15732711
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2002-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Physical Chemistry Surfaces and Interfaces, Thin Films Mechanics
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Mechanics of Materials Mechanical Engineering Surfaces and Interfaces

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Study of the Adsorption of Siloxane and Hydrocarbon Contaminants onto the Surfaces at the Head/Disk Interface of a Hard Disk Drive by Thermal Desorption Spectroscopy

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