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http://dx.doi.org/10.7844/kirr.2016.25.6.3

Manufacture of Dismantling Apparatus for Waste CPU Chip and Performance Evaluation  

Joe, Aram (Department of Earth Resources and Environmental Engineering, Hanyang University)
Park, Seungsoo (Department of Earth Resources and Environmental Engineering, Hanyang University)
Kim, Boram (Department of Earth Resources and Environmental Engineering, Hanyang University)
Park, Jaikoo (Department of Earth Resources and Environmental Engineering, Hanyang University)
Publication Information
Resources Recycling / v.25, no.6, 2016 , pp. 3-12 More about this Journal
Abstract
In this study, Au distribution in F-PGA chip and W-BGA chip were examined to recover Au effectively from CPU chips. The result showed that 80.8% and 89.8% of Au exist in terminal of F-PGA chip and bare die of W-BGA chip, respectively. Based on the fact that Au exists in specific parts of the chips, an CPU chip dismantling apparatus was developed. The experimental variables were roller rotating speed, heat temperature of IR heater and heating time. Terminals of F-PGA chips were completely recovered under the temperature of $300^{\circ}C$ and the residence time of 90 s. Bare dies of W-BGA chips were completely recovered as well under the temperature of $300^{\circ}C$, the roller rotating rate of 90 rpm and the residence time of 90 s.
Keywords
Au; CPU chip; Dismantling process; Chip dismantling apparatus;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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