Eden Prairie, Minnesota – Dr. Dehua Yang, President of Ebatco, has presented “Spectral Analysis of Microcrystals, Glass Fragments and Gemstones” at the Workshop on Microspectroscopy held at Northwestern University on April 8, 2009. Sponsored by Craic Technologies, hosted by Dr. Jiaxing Huang, Professor of Materials Science and Engineering, Northwestern University, the workshop were attended by more than 20 Northwestern faculty and staff members, graduate students, and industrial researchers from adjacent companies. A copy of the program can be viewed here: Program and Registration Form