Pit detection using a contact sensor

J. Xu, Y. Shimizu, J. Liu, T. Shiramatsu, M. Furukawa, J. Li, H. Kohira

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Pit detection study of a thermal contact sensor was carried out by both experiments and simulation. The experimental results showed that the thermal contact sensor was able to detect a small pit with good sensitivity. And the simulation study revealed that the mechanism of pit detection is due to worse cooling, which results in higher sensor temperature, because the sensor/disk spacing is larger on the pit. The maximum temperature increase is significant initially with increasing pit depth but saturates when the depth is larger than 60 nm.

Original languageEnglish
Title of host publication2012 Digest APMRC - Asia-Pacific Magnetic Recording Conference
Subtitle of host publicationA Strong Tradition. An Exciting New Look!
Publication statusPublished - 2012 Dec 1
Event2012 Asia-Pacific Magnetic Recording Conference: A Strong Tradition. An Exciting New Look!, APMRC 2012 - Singapore, Singapore
Duration: 2012 Oct 312012 Nov 2

Publication series

Name2012 Digest APMRC - Asia-Pacific Magnetic Recording Conference: A Strong Tradition. An Exciting New Look!

Other

Other2012 Asia-Pacific Magnetic Recording Conference: A Strong Tradition. An Exciting New Look!, APMRC 2012
CountrySingapore
CitySingapore
Period12/10/3112/11/2

Keywords

  • Contact sensor
  • disk defect
  • head disk interface

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

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  • Cite this

    Xu, J., Shimizu, Y., Liu, J., Shiramatsu, T., Furukawa, M., Li, J., & Kohira, H. (2012). Pit detection using a contact sensor. In 2012 Digest APMRC - Asia-Pacific Magnetic Recording Conference: A Strong Tradition. An Exciting New Look! [6401684] (2012 Digest APMRC - Asia-Pacific Magnetic Recording Conference: A Strong Tradition. An Exciting New Look!).