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Press Room | Kester

ITASCA, IL — October 5, 2015
Contact: Michelle O’Brien, Marketing & Communications Specialist

Kester will present at the 12th Annual International Wafer-Level Packaging Conference and Tabletop Exhibition which takes place October 13-15 at the DoubleTree San Jose Airport Hotel, San Jose, CA.

On October 14 at 10:45AM, Dan Duffy, Research Scientist, will present “Assemblies Containing Copper Pillar Structures Processed Using One Step Chip Attach Materials (OSCA) and Conventional Mass Reflow Processing”.

To learn more about Kester’s product offering and capabilities, please visit our website at

Speaker Biography
Daniel J. Duffy, PhD, is currently working at Kester Inc. as a Technology Development Manager and Research Scientist with a focus on developing of materials for semiconductor assembly materials and electronic packaging. He received a Ph.D. in Chemistry with research focus on physical chemistry/polymer physics and also holds a B.S. in Chemical Engineering. Both degrees were received from the University of Massachusetts at Amherst. Industrial research experience includes 8+ years focused on developing filler/particle dispersion, surface modification technology, complex fluid rheology design for industrial adhesive applications and high performance electronic packaging and assembly adhesives. Additional areas of research experience include thermodynamic/kinetic aspects of phase behavior in multi component reactive polymer blends, computational chemical modeling, molecular transport kinetics in thin polymer films, photo polymerization, molecular interactions in imprinted polymer films, diamond film coating, and spectroscopic characterization of polymers. Dan is an inventor on 5 patents and has authored over 15 publications in the fields of physical chemistry, polymers, composites and electronic assembly materials.

Michelle O’Brien


Kester is a global supplier of assembly materials for the Electronic Assembly and Semiconductor Packaging industries. Kester is focused on delivering innovative, robust and high-quality solutions to help our customers address their technological challenges. Kester’s current product portfolio includes soldering attachment materials such as solder paste, soldering chemicals, TSF (tacky solder flux) materials, and metal products such as bar, solid and flux-cored wire. Kester is an Illinois Tool Works (ITW) company. ITW is a Fortune 200 company that produces engineered fasteners and components, equipment and consumable systems, and specialty products. It employs approximately 49,000 people, and is based in Glenview, Illinois, with operations in 57 countries.