Design and Fabrication of Next-Generation Lanthanum-Doped Lead-free Solder for Reliable Microelectronics Applications in Severe Environment
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(2) AVERTISSEMENT. Ce document est le fruit d'un long travail approuvé par le jury de soutenance et mis à disposition de l'ensemble de la communauté universitaire élargie. Il est soumis à la propriété intellectuelle de l'auteur. Ceci implique une obligation de citation et de référencement lors de l’utilisation de ce document. D'autre part, toute contrefaçon, plagiat, reproduction encourt une poursuite pénale.. illicite. Contact : ddoc-theses-contact@univ-lorraine.fr. LIENS Code de la Propriété Intellectuelle. articles L 122. 4 Code de la Propriété Intellectuelle. articles L 335.2- L 335.10 http://www.cfcopies.com/V2/leg/leg_droi.php http://www.culture.gouv.fr/culture/infos-pratiques/droits/protection.htm.
(3) DESIGN AND FABRICATION OF LANTHANUM-DOPED NEXT GENERATION LEAD-FREE SOLDER FOR RELIABLE MICROELECTRONICS APPLICATIONS IN SEVERE ENVIRONMENT. A Dissertation Submitted to the Academic Faculty in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy in the School of Energy, Mechanics and Materials (EMMA). Discipline: Materials Science Specialty: Mechanics of Materials. by. MUHAMMAD SADIQ Defense: 19 June, 2012. University of Lorraine, Metz, France. LEM3 UMR-CNRS 7239-Ile du Saulcy, 57045 Cedex 01 Metz-France Tel : 0387.31.53.60-Fax : 0387.31.53.66-Email: saf.lem3@univ-metz.fr Web : http://www.lpmm.univ-metz.fr/web-lem3/.
(4) Doctoral Committee:. M. Raphael PESCI. Arts et Métiers ParisTech, Metz, France. President of Jury. M. Karim INAL. Ecole Nationale Supérieure des Mines de Saint-Etienne, France. Reviewer. M. Olaf van der SLUIS. Eindhoven University of Technology, The Netherlands. Reviewer. Mme. Suriyakan KLEITZ. Techno-Research Group, Schlumberger, Paris, France. Examinator. Mme. Stephanie BLANC. Techno-Research Group, Schlumberger, Paris, France. Examinator. M. El Mostafa DAYA. LEM3, University of Lorraine, France. Co-Supervisor. M. Mohammed CHERKAOUI. Georgia Tech Lorraine, Metz, France. Supervisor.
(5) Dedicated to my Parents.
(6) ACKNOWLEDGEMENTS First of all, I would like to thank Dr. Mohammed Cherkaoui for providing me an opportunity to work under his supervision. His support, guidance and motivation have always been a great inspiration during the entire work. I would like to thank Dr. Karim Inal, Dr. Olaf Van der Sluis, Dr. El Mostafa Daya, Dr. Raphael Pesci, Dr. Suriyakan Kleitz and Mme. Stephanie Blanc who accepted my request to be the part of my PhD committee. I strongly appreciate their suggestions and remarks. I would like to thank the whole techno-group of Schlumberger, Paris, for providing me an opportunity to work on such a challenging project. I am extremely thankful to Dr. Raphael Pesci for all his contributions, support and motivation during the entire experimental work.. +LV ³frLHQGO\´ attitude gave me the real. motivation to work in a friendly environment. I am thankful to Dr. El-Mostafa Daya and Dr. Jean-Marc Raulot from LEM3, University of Lorraine, France for their enriching discussions and valuable remarks. I would like to thank Jean-Sebastien Lecomte for his help in Nanoindentation, Claude Guyomard for the die design, Olivier Naegelen for the sample casting and Marc Wary for the polishing and etching processes. I am also thankful to Abderrahim Nachit and Ammar for their help in the electrical characterization of the solder alloys. I am thankful to Dr. Min Pei for his help in the coarsening models and David Macel for his support in wettability testing. My experience at University of Lorraine was made more pleasant by my colleagues Wei, Mathieu, Bhasker, Malek and Liaqat, Sajid, Rafiq, Armaghan, Aamer, Jawad, Khuda Bux, Mohsin and Fahd. I would like to thank all of them..
(7) I would like to offer special thanks to my brother Muhammad Arif for all his help and support in editing and organizing my thesis. I would like to thank the whole team of University of Lorraine who helped me in everything to make this period more interesting and enjoyable..
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