📄 Fabrication, Design and Automation of Inorganic Printed Electronics 📄
April 16th, 9:30 am
Mehdi Tahoori, Karlsruhe Institute of Technology
Mehdi Tahoori is currently a Full Professor and the Chair of Dependable Nano-Computing, Institute of Computer Science and Engineering, Department of Computer Science, Karlsruhe Institute of Technology, Karlsruhe, Germany. He received the B.S. degree in computer engineering from the Sharif University of Technology, Tehran, Iran, in 2000, and the M.S. and Ph.D. degrees in electrical engineering from Stanford University, Stanford, CA, in 2002 and 2003, respectively. In 2003, he was an Assistant Professor with the Department of Electrical and Computer Engineering, Northeastern University, where he became an Associate Professor in 2009. From August to December 2015, he was a visiting professor at VLSI Design and Education Center (VDEC), University of Tokyo, Japan. From 2002 to 2003, he was a Research Scientist with Fujitsu Laboratories of America, Sunnyvale, CA. He has authored over 300 publications in major journals and conference proceedings on a wide range of topics, from dependable computing and emerging nanotechnologies to system biology, and holds several US and European patents. He is currently the editor-in-chief of Microelectronic Reliability journal, associate editor for IEEE Design and Test Magazine, coordinating editor for Springer Journal of Electronic Testing (JETTA), and associate editor of IET Computers and Digital Techniques. He is the program chair of VLSI Test Symposium 2018 and General Chair of European Test Symposium 2019. Prof. Tahoori was a recipient of the National Science Foundation Early Faculty Development (CAREER) Award. He has received a number of best paper nominations and awards at various conferences and journals.
Flexible electronics is an emerging and fast growing field which can be used in many demanding and emerging application domains such as wearables, smart sensors, and Internet of Things (IoT). Unlike traditional computing and electronics domain which is mostly driven by performance characteristics, flexible electronics are mainly associated with low fabrication costs (as they are used even in consumer market) and low energy consumption (as they could be used in energy-harvested systems). Printed electronics offer certain technological advantages over their silicon based counterparts, like mechanical flexibility, low process temperatures, maskless and additive manufacturing possibilities. However, it is essential that the printed devices operate at low supply voltages. Electrolyte gated field effect transistors (EGFETs) using solution-processed inorganic materials which are fully printed using inkject printers at low temperatures are very promising to provide such solutions. In this talk, I discuss the technology, process, modeling, fabrication, and design (automation) aspects of circuits based on EGFETs. I show how the measurements performed in the lab can accurately be modeled to be integrated in the design automation tool flow in the form of Process Design Kit (PDK). I also review some of the remaining challenges with this technology and associated design implications.
📄 Transforming the Internet of ‘Body’ with Human Body Communication 📄
April 18th, 9:00 am
Shreyas Sen, Purdue University
Shreyas Sen is an Assistant Professor in ECE, Purdue University. Dr. Sen received his Ph.D. from ECE, Georgia Tech in 2011 and has over 5 years of industry research experience in Intel Labs, Qualcomm and Rambus. His current research interests include circuits/systems for IoT, Biomedical and Security. Dr. Sen’s work has been covered by 30+ news releases worldwide, invited appearance on Indian National TV CNBC TV18 Young Turks Program and by Radio Interview on NPR subsidiary Lakeshore Public Radio. In 2018, Dr. Sen was chosen by MIT Technology Review as one of the top 10 Indian Inventors Worldwide under 35 (MIT TR35 India Award), for the invention of using the Human Body as a Wire, which has the potential to transform healthcare, neuroscience and human-computer interaction. He has co-authored 2 book chapters, over 120 journal and conference papers and has 15 patents granted/pending. Dr. Sen is a recipient of the AFOSR Young Investigator Award 2016, NSF CISE CRII Award 2017, Google Faculty Research Award 2017, Intel Labs Divisional Recognition Award 2014 for industry-wide impact on USB-C type, Purdue HKN Beta Chapter Outstanding Professor Award 2018, Intel PhD Fellowship 2010, IEEE Microwave Fellowship 2008, GSRC Margarida Jacome Best Research Award 2007, Best Paper Awards at HOST 2017 and 2018, ICCAD Best-in-Track Award 2014, VTS Honorable Mention Award 2014, RWS Best Paper Award 2008, Intel Labs Quality Award 2012, SRC Inventor Recognition Award 2008 and Young Engineering Fellowship 2005. He serves/has served as an Associate Editor for IEEE Design & Test, Executive Committee member of IEEE Central Indiana Section, ETS and Technical Program Committee member of DAC, CICC, DATE, ISLPED, ICCAD, ITC, VLSI Design, IMSTW and VDAT. Dr. Sen is a Senior Member of IEEE.
With the continued miniaturization of unit computing, in foreseeable future, humans will be immersed in connected sensing and computing devices that form a complex distributed network connected to the cloud. Like the devices itself, humans are integral part of such networks designed to improve quality of human lives. The number of wearable devices are expected to grow to 600 million by 2020. These wearable/implanted devices present in, on and around the human body forms a complex network of sensor, actuation, computation, storage, communication and energy nodes on a human body, namely the Internet of Body (IoB). IoB devices are typically interconnected using wireless body area network (WBAN) that suffers from connectivity bottleneck due to (1) high energy-cost of WBAN connectivity and (2) large data traffic through energy-sparse size-constrained devices. This talk will highlight how (1) Human Body Communication (HBC) provides an alternate energy-efficient and secure communication medium between wearable/implantable devices by using the human body as a conducting medium and provide order of magnitude improvement in physical security (as the critical information is contained within the human body and cannot be snooped on unless the person is physically touched) and energy-efficiency (due to low loss and broadband electrical conduction properties of human body). The science of signal propagation through human body will be explained using unifying BioPhysical models, followed by custom integrated circuit design that leverages the understanding to achieve >100x better energy-efficiency, compared to WBAN. (2) The edge-nodes will generate high data traffic leading to low battery-lifetime and increased network congestion. We will highlight how Context-aware Edge-analytics in IoB promises significant reduction in data-traffic without much loss of information content. This talk will conclude by highlighting how the combined benefit of HBC and Edge-analytics has the potential to transform Healthcare, Human Computer Interaction (HCI) and Neuroscience using IoB.