On the improvement of variations in producing magnetic heads using tracking control

Conference proceedings article

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Publication Details

Author list: Manangan J., Panomruttanarug B., Yaemglin T.

Publisher: Hindawi

Publication year: 2019

Volume number: 2019-February

Start page: 1317

End page: 1322

Number of pages: 6

ISBN: 9781538663769

ISSN: 0146-9428

eISSN: 1745-4557

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85069052702&doi=10.1109%2fICIT.2019.8755119&partnerID=40&md5=b1f495c257eb67afbfa5b88f4171a061

Languages: English-Great Britain (EN-GB)

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Abstract

In hard disk drive manufacturing, the lapping process is a key procedure to produce high quality magnetic heads. In a lapping machine, an appropriate amount of force will be applied to lap a slider bar until reaching the target. A tilt angle can be adjusted to get an alignment between the secondary element and the primary element. The technique of tuning the tilt angle is provided in this paper. The behavior of lapping is first studied to approximate the desired path. The tracking control is then designed based on a classical control technique to follow the path. The experiments were carried out to show the effectiveness of the control scheme. ฉ 2019 IEEE.

Keywords

Lapping