General Information
    • ISSN: 2010-0221
    • Frequency: Bimonthly
    • DOI: 10.18178/IJCEA
    • Editor-in-Chief: Prof. Dr. Shen-Ming Chen
    • Executive Editor: Mr. Ron C. Wu
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Editor-in-chief
Prof. Dr. Shen-Ming Chen
National Taipei University of Technology, Taiwan
 

IJCEA 2013 Vol.4(4): 174-177 ISSN: 2010-0221
DOI: 10.7763/IJCEA.2013.V4.288

Experimental Investigation of Ultrasonic and Megasonic Frequency on Cleaning of Various Disk Drive Components

Vetrimurugan, Mike Goodson, Terry Lim, Samiheta, Nagarajan, and J. Siddharth
Abstract—This study investigates the effect of frequency on cleaning of various Hard Disk Drive (HDD) components. The disk drive components used for this study was aluminum metal spacer, e-coated disk separator and plastic separator. The frequency used for this study was 58/132 kHz, 132 kHz, 360 kHz, 470 kHz and 1 MHz. In this study multiple extraction method was used to find the cleanability and erodability of the parts and liquid particle counter was used to measure the particle concentration in the extracted solution. The result indicates that dual frequency i.e 58/132 kHz is more suitable for cleaning of aluminum metal spacer and e-coated disk separator, 360 kHz and 470 kHz is more suitable for cleaning of plastic disk separator. The result shows that 360 kHz is the supreme frequency for final rinsing. 360 kHz frequency also found to be a better washing and rinsing frequency for various HDD components. Cleaning the parts with multiple frequencies gives higher cleanabilit

Index Terms—Ultrasonic, megasonic, multiple extraction, liquid particle count, maximum cleaning potential, asymptote value.

Vetrimurugan, Terry Lim, and Samiheta are with the Crest Ultrasonics, Malaysia (e-mail: vetri_praviswa@act.crestm.com, terrylim@crestcn.com)
Mike Goodson is with the Crest Ultrasonics, USA.
Nagarajan and J. Siddharth are with the Indian Institute of Technology, Madras (e-mail: mgoodson@crest-ultrasonics.com).

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Cite:Vetrimurugan, Mike Goodson, Terry Lim, Samiheta, Nagarajan, and J. Siddharth, "Experimental Investigation of Ultrasonic and Megasonic Frequency on Cleaning of Various Disk Drive Components," International Journal of Chemical Engineering and Applications vol. 4, no. 4 pp. 174-177, 2013.

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