This document contains a summary letter for Gregory Coué's graduation work placement at DSM Performance Materials from March to September 2006. The letter summarizes that Gregory worked on a project developing UV curable materials for stereolithography with improved mechanical properties. His work involved literature research, laboratory experiments, operating stereolithography and curing equipment, and mechanical testing of materials. The letter states that Gregory was a valuable member of the R&D team, quickly learned about UV curable materials and his project, and always worked conscientiously to a high standard. The letter writer recommends Gregory for future work.

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Shared Research Unit Performance Materials
Material Science Centre
P.O. Box 18, 6160 MD Geleen,The Netherlands
T (31) 46 4767636 / (31) 46 4761001
F (31) 46 4767569
A department of DEP
Uw kenmerk Ons kenmerk Behandeld door Doorkiesnr.
Reference letter PM-MSC Steeman +31-46-4761629
Onderwerp Datum E-mail
G. Coué 28-09-2006 paul.steeman@dsm.com
dr. ir. Paul Steeman, RPK
Competence manager and Senior Project Leader
DSM Performance Materials R&D
Dear Sir,
In the period March-September 2006 Gregory Coué performed his final graduation
work at the Shared Research Unit Performance Materials of DSM in Geleen, The
Netherlands. He worked as member of a team on a project for the development of UV
curable materials for stereolithographic applications with improved mechanical
properties.
The work Gregory performed involved literature research, chemical laboratory work,
operation of a stereolithography machine and a UV curing rig, and mechanical
characterization of materials with dynamic mechanical and tensile analysis.
Gregory was a very valuable member of the R&D team and fitted into his new
environment very quickly. Within a short period he became familiar with the area of
UV curable materials and the subject of his work. Gregory was very conscientious
and always strived to ensure he completed his work to a high standard.
I would have no hesitation in recommending Gregory to work with you.
Please do not hesitate to get in touch if you need any more information.
Regards
Paul Steeman