Indian Institute of Technology Roorkee
29th June - 2nd July 2017

Invited Talks
P. Chakrabarti  
Professor, IIT BHU

P. Chakrabarti, former Director of Motilal Nehru National Institute of Technology, Allahabad is currently with the Department of Electronics Engineering, IIT(BHU) as Professor (HAG). He has made a significant contribution in experimental and theoretical research in the areas of Microelectronics and Photonics. He has been the Coordinator of the Centre for Research in Microelectronics, IT-BHU during 2005-2011 and the founder Coordinator of Micro-Electro-Mechanical Systems (MEMS) Centre at IT-BHU. His research group has strong collaborations with the Optoelectronics Research group, Lancaster University, Lancaster, UK and the Nanomaterials research group, University of New South Wales, Australia. Seventeen students have been awarded Ph.D. degree so far under his supervision. He has successfully completed a number of R & D projects sponsored by government funding agencies such as, DST, CSIR, DRDO etc. He has published over 250 research papers in leading technical journals and in Conference Proceedings and filed 3 patents. He has authored three text books and edited four Proceedings. He earned hisB.Tech. andM.Tech. Degrees from the University of Calcutta, Kolkata in 1980 and 1982 respectively and Ph.D. Degree in Electronics Engineering from the Institute of Technology (BHU) in 1988. He is a recipient of Indian National Science Academy (INSA) Visiting Fellowship to conduct experimental research at the Microelectronics Centre, Indian institute of Technology, Kharagpur and Senior Visiting Fellowship of Engineering and Physical Sciences Research Council (EPSRC), UK. Prof. Chakrabarti is a Fellow of Institution of Engineers and a Senior Member of IEEE, USA. He has been awarded Amity Academic Excellence Award-2015. He is appointed as Associate Editor, Journal of Electronic Materials-Springer.
TITLE OF TALK: Organic Semiconductor Devices: Potential and Challenges.

Abstract of the talk:
The advent of conducting polymers opened up new avenues for exploration of novel organic materials for fabrication of a variety of electronic and optoelectronic devices. Organic semiconductors constitute a new class of materials consisting of small molecules and polymers with semiconducting properties [1]. Over the past two decades, organic semiconducting polymers like polyaniline, polythiophene, polyacetylene, polypyrrole, polyindole, polycarbazole etc. have been gaining increasing interest in the fabrication of different electronic, optoelectronic and energy storage devices. Low-cost manufacturing, easy fabrication methods compared to inorganic devices, light weight and compatibility with flexible substrates are some of the exciting features of organic semiconductor devices. Organic semiconducting polymer films can be obtained by employing chemical and electrochemical techniques. The electrochemical method is generally preferred because one can modify properties of the organic semiconducting film by changing conditions like oxidation potential, solvent concentration, deposition time, electrolyte type and deposition techniques (chronoamperometry or cyclic voltammetry). These materials have been extensively used for development of organic Schottky diodes (OSDs), organic photodiodes (OPDs), organic light-emitting diodes (OLEDs), organic field-effect-transistors (OFETs) or organic thin-film transistors (OTFTs), organic solar cells, organic quantum dots (OQDs) and memory devices. As organic semiconductors can be grown on flexible substrates these devices are quite attractive for development of flexible displays and flexible electronic circuits. It has been envisaged that OLEDs and flexible photovoltaic devices, in particular shall have a major share of global market by the end of this decade. However, there are several challenges including reliability, stability and interface issues that need to be addressed for successful deployment of these materials for the desired applications. This article reviews the state-of-the-art of electronic and optoelectronic devices based on organic semiconductors. It also focuses on various issues and challenges pertaining to these materials vis-à-vis their inorganic counterparts. Finally, the article also presents a few novel thin-film organic semiconductor devices developed in our laboratory. 
[1] H. Shirakawa and S. Ikeda, “Infrared Spectra of Poly(acetylene),” Polymer Journal, vol. 2, pp. 231-244, 1971 

Devesh Dwivedi  
Deputy Director  
ASIC Product Development  
GlobalFoundries, India

Dr. Devesh Dwivedi has ~21+ years of experience (~17+ years of industry + 4 years of research). He holds a Ph. D. degree in Electronics Engineering (Microelectronics) from IIT BHU. Since July 2015 he is working as Deputy Director, ASIC Product Engineering, GlobalFoundries, Bangalore. Prior to this he worked with System and Technology Group, IBM, 2008 to 2015. He worked on system-z, system-p and testsite projects. He was leading and managing custom IP (Memory, High Speed Serial Links & Analog Mixed signal) design and development at IBM India Pvt. Ltd, Bangalore, India. He started his carrier as SRAM circuit design engineer with ST Microelectronics in 1999. He has designed and developed several complex and state-of-the-art memories (custom as well compilable) for ASIC OEMs and Server products. Dr. Dwivedi has 8 patents, 3 defensive publications and 34 paper publications. He is member of technical review committees, patent and paper review board. He is examiner for graduate, post graduates and PhD thesis from Tier-1 technical institute and universities in India. He has delivered several invited talks at Institutes, Universities, National and International conferences. He also visiting professor at NIT & IIT, IEEE member. He supervised 2 PhD students and 10 Master students for their thesis work. He is also editorial board member for conference/journal publications in the area of electronics and communications.

TITLE OF TALK: Deep Sub micron technology- Challenges and opportunity.
 Maryam Shojaei Baghini  
Professor, IIT Bombay 

Maryam Shojaei Baghini is currently a professor in Department of Electrical Engineering, IIT-Bombay. Her areas of research are: device circuit co-design methodologies for emerging technologies, sensor circuits and systems, integrated circuits and systems and signal/data processing for agriculture, healthcare and environmental applications, energy harvesting, power management integrated circuits and systems, and low-energy integrated circuit design. She has completed 16 research projects funded by Government and industries. Her students team have designed and tested more than 17 different full custom ICs for various applications. She is author/co-author of more than 185 papers in peer reviewed international journals and conferences. She is also inventor/co-inventor of 1 granted Indian patent, 6 granted US patents and 37 more filed patent applications. She is recipient/joint recipient of 11 awards, of which the latest award is IIT-Bombay Impactful Research Award in 2015. Prof. Shojaei has served/is serving as track chair and TPC member of 13 conferences. 
TITLE OF TALK: Circuit structures, trade-offs and design optimization in CMOS signal conditioning circuits for personal healthcare.

Abstract of the talk:
With the rapid progress of sensors in various areas ranging from environmental monitoring till healthcare analog signal conditioning (ASC) finds more scope and challenge. ASC for the personal monitoring and point of care applications must address the trade-off among internal noise, external noise immunity, linearity, dynamic range and power dissipation while adapting to multi-sensor arrangement. 
Considering rapid expansion of the mobile phones and cloud computing preliminary and necessary vital information may be acquired without disturbing the daily life of individuals. So as quality mobile technology has become affordable the trend for quality healthcare is expected to follow that same path. 
This talk focuses on CMOS integrated ASC circuits covering wide range of required functionalities, the design aspects, trade-offs and procedures associated with their design optimization. Library of such integrated circuits potentially can become “standard cells” of CMOS SoCs for personal healthcare applications. 


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