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http://dx.doi.org/10.5050/KSNVE.2015.25.3.176

Fatigue Life Estimation of Solid-state Drive due to the Effect of Dummy Solder Ball under Forced Vibration  

Lee, Juyub (Department of Mechanical Convergence Engineering, Hanyang University)
Jang, Gunhee (Department of Mechanical Convergence Engineering, Hanyang University)
Jang, Jinwoo (Department of Mechanical Convergence Engineering, Hanyang University)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.25, no.3, 2015 , pp. 176-183 More about this Journal
Abstract
This research proposes a method to estimate the fatigue life of SSD(solid-state drive) due to the effect of dummy solder ball under forced vibration. A finite element model of the SSD was developed to simulate the forced vibration and a modal testing was performed to verify the developed finite element model. Fatigue life of the SSD under vibration was experimentally determined according to JEDEC standard in which the SSD was excited by a sinusoidal sweep vibration within the narrow frequency band around the first natural frequency until the SSD fails. Basquin's equation was introduced to estimate the fatigue life of the SSD due to the effect of dummy solder balls. It shows that the dummy solder balls are effective elements of the SSD to increase the fatigue life of an SSD by increasing 700 times of the fatigue life of the given SSD.
Keywords
SSD(solid-state drive); Fatigue Life; Forced Vibration; Dummy Solder Ball;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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