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DTSTAMP:20260504T154601
DTSTART;TZID=America/Detroit:20260513T130000
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SUMMARY:Presentation:Electrohydrodynamic Jet Printing for Autonomous Hybrid Microelectronics Packaging: Process Characterization\, Adaptive Routing\, and Real-Time Sensing
DESCRIPTION:Committee chair: \nProfessor Kira Barton\n\nIn FMCRB 2300 and on Zoom.\n\nAbstract: \nToday's microelectronics are built in billion-dollar fabrication facilities using processes that are fast but inflexible. What if we could instead print electronic circuits the way an inkjet printer puts ink on paper\, but at a scale hundreds of times smaller than a human hair? This vision has driven growing interest in additive manufacturing approaches that can integrate heterogeneous components into functional circuits without the constraints of conventional lithographic fabrication. However\, reliable high-resolution conductive printing\, automated circuit assembly at the microscale\, and real-time process monitoring remain largely unresolved challenges. This dissertation develops an integrated framework toward autonomous micro/nanoscale hybrid electronics packaging using electrohydrodynamic jet (e-jet) printing\, organized around three progressive thrusts.\n\nThe first thrust establishes a characterization and design framework for submicron printed metal nanoparticle interconnects. The three-stage fabrication process from droplet generation\, multilayer line formation\, to thermal sintering is systematically investigated for silver and gold nanoparticle inks. Quantitative models linking process parameters to printed feature dimensions enable reliable submicron patterning\, achieving conductive gold interconnects with line widths down to 300 nm. Integration with micromodular transistors validates the framework at the device level\, with printed interconnects achieving performance comparable to lithography-defined wiring.\n\nThe second thrust develops an automated perception–planning–printing pipeline for adaptive circuit routing. Vision-based component detection and algorithmic route planning enable fully autonomous wiring of randomly placed micro-devices. The framework is validated through fabrication of functional inverter circuits and has been extended to memristive device integration and paper-based flexible substrates\, confirming its applicability across heterogeneous device types and material systems.\n\nThe third thrust introduces optical density as a real-time volumetric sensing modality for micro-additive manufacturing. Quantitative correlations between in-situ optical measurements\, physical line geometry\, and electrical resistivity establish a direct inference chain from real-time sensing to functional performance. This sensing framework is integrated into a closed-loop control architecture for automated line width regulation.\n\nTogether\, these contributions connect process science\, manufacturing automation\, and in-situ sensing into a cohesive framework for autonomous micro/nanoscale electronics fabrication\, advancing printed hybrid microelectronics toward greater functionality\, reliability\, and scalability.
UID:148080-21902926@events.umich.edu
URL:https://events.umich.edu/event/148080
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Michigan Robotics,Robotics
LOCATION:Ford Robotics Building - 2300
CONTACT:
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DTSTAMP:20260513T131053
DTSTART;TZID=America/Detroit:20260513T130000
DTEND;TZID=America/Detroit:20260513T160000
SUMMARY:Class / Instruction:June 1-5 Course - Introduction to Qualitative Research Methods
DESCRIPTION:June 1-5\, 2026\, M-F\n1:00-4:00pm \nA live course via Zoom. Registration and payment are required a minimum of two weeks prior to the start of the course.\n\nFounded in 1948\, the Summer Institute in Survey Research Techniques is designed specifically to meet the needs of professionals and graduate students seeking to deepen their expertise in survey methodology and data collection. Offered through the Michigan Program in Survey and Data Science within the Institute for Social Research at the University of Michigan\, the program provides a rigorous and flexible curriculum that blends theoretical foundations with practical application — entirely online.\n\nIntroduction to Qualitative Research Methods\n\nThis introductory course provides students with a strong foundation in qualitative research\, covering principles of qualitative research\, study design including participant recruitment and sample size estimation. Students also learn how to design and conduct core data collection methods - in-depth interviews\, focus groups\, and observation – and a range of field tasks such as transcription and field training. Then writing and critiquing qualitative methods for academic work. The course is highly interactive\, emphasizing both the principles and skill development through applied activities. The course needs a minimum of 6 registrants and has an enrollment capacity of 10. \n\nDr. Monique Hennink is Professor in the Hubert Department of Global Health in the Rollins School of Public Health and Associated Faculty in Sociology at Emory University. She is also Visiting Professor at University of Michigan\, Department of Epidemiology\, and Instructor at the University of Columbia's EPISUMMER program in Epidemiology. She earned her PhD in Demography in the United Kingdom.\n\nDr Hennink was indicted into Emory’s MilliPub Club in 2023 and 2024 for two research papers. This honors faculty authors of a scientific publication with over 1\,000 citations - considered high impact scholarship. She received the 2020 Provost’s Distinguished Teaching Award for Excellence in Graduate and Professional Education at Emory University. She also received the 'Excellence in Research' Award in 2019 and the 'Excellence in Teaching' Award in 2016 at the Rollins School of Public Health.\n\nShe has particular expertise in applying qualitative research to examine public health issues. She has 30 years’ experience in the design\, conduct\, analysis\, and publication of qualitative health research. She has authored five textbooks on qualitative research\, including: Qualitative Research Methods 2nd edition (2020)\; Focus Group Discussions (2014)\, Qualitative Research Methods (2011) (also translated into Chinese) and International Focus Group Discussions (2007). She teaches graduate-level courses in qualitative research at Emory University. She developed the 'QUAL-WORKS' (https://sph.emory.edu/qual-works) training program in 2013 for public health professionals. Her courses\, workshops and books reflect the application of qualitative methods in globally diverse settings and provide guidance on how to balance methodological rigor with the practical realities of global research. She has also published on various methodological aspects of qualitative research\, such as using interpreters and translators in qualitative data collection\; the effect of using court reporters on data quality\; estimating sample size in qualitative studies\; and highlighting emerging methodological issues in focus group research. She has served as a board member for SAGE Publications on their ‘Cases in Methodology’ work and on the editorial board of the International Journal of Multiple Research Approaches. She co-chaired a three-year scientific panel for the International Union of the Scientific Study of Population (IUSSP)\, on ‘Qualitative Research in Population Studies’ which had a mandate to promote rigor in the use of qualitative methods in the discipline. She has led scientific sessions on qualitative research at key professional forums\, such as: International Congress of Qualitative Inquiry\; International Institute for Qualitative Methods\; European Association of Population Studies\; and the International Union for the Scientific Study of Population.\n\nTextbook Information: Hennink\, Hutter & Bailey (2020) 2nd Ed. Qualitative Research Methods. Sage Publications\; Ritchie et al (2014) Qualitative Research Practice: A Guide for Social Science Students & Researchers. Second Edition\; Emerson et al (2011) Writing Ethnographic Fieldnotes\; Rubin & Rubin (2012) Qualitative Interviewing. The Art of Hearing Data. Third Edition\; Hennink (2014) Focus Group Discussions. Oxford University Press
UID:148255-21903453@events.umich.edu
URL:https://events.umich.edu/event/148255
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Biomedical,Center For Political Studies,Data,Data Analysis,Data Collection,Data Curation,Data Linkage,Data Management,Data Science,Graduate,Graduate and Professional Students,Health,Health Data,Mathematics,Professional Development,Public Health,Research,Survey Methodology,Survey Methods,Survey Research
LOCATION:Off Campus Location
CONTACT:
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