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Thermal management of heat sensitive components in Pb-free assemblyRaut, Rahul. January 2005 (has links)
Thesis (M.S.)--State University of New York at Binghamton, Department of Systems Science & Industrial Engineering, 2005. / Includes bibliographical references.
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Effects of Lanthanum doping on the microstructure and mechanical behavior of a SnAg alloyPei, Min. January 2007 (has links)
Thesis (Ph. D.)--Mechanical Engineering, Georgia Institute of Technology, 2007. / Neu, Richard W., Committee Member ; Sanders, Thomas H. Jr., Committee Member ; Wong, C.P., Committee Member ; McDowell, David L., Committee Member ; Qu, Jianmin, Committee Chair.
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A systematic approach for selection of best PB-free printed circuit board (PCB) surface finishSubbarayan, Guhan. January 2007 (has links)
Thesis (Ph. D.)--State University of New York at Binghamton, Department of Systems Science and Industrial Engineering, 2007. / Includes bibliographical references (leaves 203-208).
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Process analysis and performance characterization of a novel anisotropic conductive adhesive for lead-free surface mount electronics assemblyRamkumar, S. Manian. January 2008 (has links)
Thesis (Ph. D.)--State University of New York at Binghamton, Department of Systems Science and Industrial Engineering, 2007. / Includes bibliographical references (leaves 278-290).
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Interfacial reliability of Pb-free flip-chip BGA packageTang, Zhenming. January 2008 (has links)
Thesis (Ph. D.)--State University of New York at Binghamton, Thomas J. Watson School of Engineering and Applied Science, Department of Mechanical Engineering, 2008. / Includes bibliographical references.
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Organizational Commitment in a Self-Managing Work Team EnvironmentRuggiere, Paul John 12 1900 (has links)
This study examines the determinants of organizational commitment in a self-managing work team setting. The data used in the study are from a sample of 313 employees in an electronics manufacturing plant. Chapter one introduces the reader to the topic of self-managing work teams and explains the relevance of commitment to this organizational structure. Chapter two is a review of the literature which focuses on commitment, its determinants, and two theories used to explain the relationship between them. The remaining chapters describe the methodology used in the study, explain the findings and draw conclusions. Of all the factors analyzed, only perceived organizational support and autonomy were found to influence commitment in this sample. The relevance of these findings for business and academia is discussed.
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Development, characterization, and piezoelectric fatigue behavior of lead-free perovskite piezoelectric ceramicsPatterson, Eric Andrew 17 September 2012 (has links)
Much recent research has focused on the development lead-free perovskite piezoelectrics as environmentally compatible alternatives to lead zirconate titanate (PZT). Two main categories of lead free perovskite piezoelectric ceramic systems were investigated as potential replacements to lead zirconate titanate (PZT) for actuator devices. First, solid solutions based on Li, Ta, and Sb modified (K���.���Na���.���)NbO��� (KNN) lead-free perovskite systems were created using standard solid state methods. Secondly, Bi-based materials a variety of compositions were explored for (1-x)(Bi���.���Na���.���)TiO���-xBi(Zn���.���Ti���.���)O��� (BNT-BZT) and Bi(Zn���.���Ti���.���)O������(Bi���.���K���.���)TiO������(Bi���.���Na���.���)TiO��� (BZT-BKT-BNT).
It was shown that when BNT-BKT is combined with increasing concentrations of Bi(Zn[subscript 1/2]Ti[subscript 1/2])O��� (BZT), a transition from normal ferroelectric behavior to a material with large electric field induced strains was observed. The higher BZT containing compositions are characterized by large hysteretic strains (> 0.3%) with no negative strains that might indicate domain switching. This work summarizes and analyzes the fatigue behavior of the new generation of Pb-free piezoelectric materials. In piezoelectric materials, fatigue is observed as a degradation in the electromechanical properties under the application of a bipolar or unipolar cyclic electrical load. In Pb-based materials such as lead zirconate titanate (PZT), fatigue has been studied in great depth for both bulk and thin film applications. In PZT, fatigue can result from microcracking or electrode effects (especially in thin films). Ultimately, however, it is electronic and ionic point defects that are the most influential mechanism.
Therefore, this work also analyzes the fatigue characteristics of bulk polycrystalline ceramics of the modified-KNN and BNT-BKT-BZT compositions developed. The defect chemistry that underpins the fatigue behavior will be examined and the results will be compared to the existing body of work on PZT. It will be demonstrated that while some Pb-free materials show severe property degradation under cyclic loading, other materials such as BNT-BKT-BZT essentially exhibit fatigue-free piezoelectric properties with chemical doping or other modifications. Based on these results, these new Pb-free materials have great potential for use in piezoelectric applications requiring a large number of drive cycles such as MEMS devices or high frequency actuators. / Graduation date: 2013
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Pb-free process development and microstructural analysis of capacitor filter assemblies using solder preformsShah, Vatsal. January 2005 (has links)
Thesis (M.S.)--State University of New York at Binghamton, Department of Systems Science and Industrial Engineering, 2005. / Includes bibliographical references (p. 94-96).
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Process development and microstructural analysis of capacitor filter assemblies using lead free solder preformsVishwanathan, Krishnan. January 2007 (has links)
Thesis (M.S.)--State University of New York at Binghamton, Thomas J. Watson School of Engineering and Applied Science, Department of Systems Science and Industrial Engineering, 2007. / Includes bibliographical references.
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Investigation of bulk solder and intermetallic failures in PB free BGA by joint level testingTumne, Pushkraj Satish. January 2009 (has links)
Thesis (M.S.)--State University of New York at Binghamton, Thomas J. Watson School of Engineering and Applied Science, Department or Systems Science and Industrial Engineering, 2009. / Includes bibliographical references.
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