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I Charles Ume

Affiliations: 
Georgia Institute of Technology, Atlanta, GA 
Area:
Mechanical Engineering, Packaging Engineering
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"I Ume"
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Hai Ding grad student 2003 Georgia Tech
Bao Mi grad student 2003 Georgia Tech
Dathan S. Erdahl grad student 2005 Georgia Tech
Reinhard E. Powell grad student 2006 Georgia Tech
Tsun-Yen Wu grad student 2011 Georgia Tech

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Publications

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Kang S, Ume IC. (2018) Dynamic digital fringe projection technique for measuring the warpage of unpainted PBGA packages and boards The International Journal of Advanced Manufacturing Technology. 96: 3235-3249
Yang L, Ume IC. (2017) Measurement of weld penetration depths in thin structures using transmission coefficients of laser-generated Lamb waves and neural network. Ultrasonics. 78: 96-109
Yang L, Ume IC. (2015) Inspection of notch depths in thin structures using transmission coefficients of laser-generated Lamb waves. Ultrasonics. 63: 168-73
Yang L, Gong J, Ume IC. (2015) Fundamental Study of Microelectronic Chips’ Response Under Laser Excitation and Signal Processing Methods Journal of Nondestructive Evaluation. 34
Kang S, Ume IC. (2014) Automatic Segmentation Method for Segmenting PBGA Package and PWB Regions during Warpage Measurement of Unpainted PWB Assembly Journal of Microelectronics and Electronic Packaging. 2014: 574-579
Kang S, Ume IC. (2014) Comparison of Warpage Measurement Capabilities and Results Obtained by Using Laser and Digital Fringe Projection Methods Journal of Electronic Packaging. 136: 31007
Kang S, Ume IC. (2013) Techniques for Measuring Warpage of Chip Packages, PWBs, and PWB Assemblies Ieee Transactions On Components, Packaging and Manufacturing Technology. 3: 1533-1544
Gong J, Ume IC. (2013) Nondestructive Evaluation of Poor-Wetted Lead-Free Solder Bumps in Ball Grid Array Packages Using Laser Ultrasound and Interferometric Technique Ieee Transactions On Components, Packaging and Manufacturing Technology. 3: 1301-1309
Wu T, Ume IC. (2012) Prediction and experimental validation of penetration depth of butt welds in thin plates using superimposed laser sources Ndt & E International. 50: 10-19
Wu T, Ume IC. (2011) Fundamental study of laser generation of narrowband Lamb waves using superimposed line sources technique Ndt & E International. 44: 315-323
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