Thermal displacement characteristics of a chip-on-suspension

A fundamental study on the temperature and slider displacement of a chip-on-suspension (COS) was performed. The results show that the temperature rise in the IC chip is almost proportional to the heating power and that the slider displacement in the tracking direction is almost proportional to the h...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2003-09, Vol.39 (5), p.2243-2245
Main Authors: Ichikawa, R., Tokuyama, M., Masuda, H., Nakamura, S., Saegusa, S.
Format: Article
Language:English
Subjects:
Applied sciences
Disk drives
Displacement measurement
Electronics
Exact sciences and technology
Heating
Laboratories
Magnetic and optical mass memories
Magnetism
Mechanical engineering
Other magnetic recording and storage devices (including tapes, disks, and drums)
Semiconductor device measurement
Storage and reproduction of information
Temperature
Testing
Thermal resistance
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Summary:A fundamental study on the temperature and slider displacement of a chip-on-suspension (COS) was performed. The results show that the temperature rise in the IC chip is almost proportional to the heating power and that the slider displacement in the tracking direction is almost proportional to the heating power applied to the chip. It takes several seconds for the temperature rise of the chip to saturate and the response of the slider displacement is less rapid than the temperature rise of the chip. The vibrational characteristics of the slider are not affected by the temperature rise.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2003.815444