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Improving suspension manufacturing yield using polynomial regression

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5 Author(s)
Ritthidetch, T. ; Fac. of Eng., King Mongkut''s Inst. of Technol. Ladkrabang, Bangkok, Thailand ; Masuchun, R. ; Chaikla, A. ; Julsereewong, P.
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This paper proposes the technique to adjust the roll and pitch directions of the flex suspension assembly in a disk drive production. The adjustment is accomplished using a number of laser beam projections, which can be approximated using the polynomial regression model of the existing measured roll and pitch directions. Information derived from the analysis can help improve manufacturing yield. The performances of the proposed technique were observed using the flex suspension assembly plant in Thailand as an illustrative case study. The experimental results are given to support the improving manufacturing yields and some economic benefits of the proposed technique.

Published in:

Control, Automation, Robotics and Vision Conference, 2004. ICARCV 2004 8th  (Volume:3 )

Date of Conference:

6-9 Dec. 2004