Work & Education
Nov 2021 - present : Airbus Expert - Semiconductor Technology and Devices, Airbus Defence and Space, Friedrichshafen, Germany.
Lead R&D on radiation effects and reliability of ultra-deep-submicron devices across Airbus.
Expert in state-of-the-art semiconductor devices, semiconductor physics and technologies (and failure modes), from classical hi-rel to cutting-edge COTS EEE parts.
Advise Airbus projects on reliability and radiation performance of discrete, power (including wide bandgap devices), as well as integrated technologies (including ultra deep submicron).
Electronic and system design, solution maker for electronic or system designers
Communicate with stakeholders (interfacing position vs large spectrum of executive management, technical, project, and quality management or procurement-commodity interlocutors).
Support technologies roadmap and strategic R&D in semiconductor radiation effects and reliability to effectively transfer innovation to Airbus designs.
Transnational mindset and comfortable with multicultural environment.
Represent Airbus in international working groups or external forums or conference.
October 2023-present : Guest Faculty - Space Electronics, Chair of Pico and Nano Satellites, and Satellite Constellations TUM School of Engineering and Design Technical University of Munich, Germany.
Teach a module on space environment and radiation effects
Hands-on training of space environment modeling software, SEE rate calculations, FASTRAD modeling
June 2016-Nov 2021 : Senior Engineer - Semiconductor Radiation Effects and Reliability, Airbus Defence and Space, Friedrichshafen, Germany.
Lead R&D on radiation effects and reliability of ultra-deep-submicron devices across Airbus Defence and Space.
Design support, development, and radiation analysis of critical electronic systems for Earth observation, Navigation, and Science satellites.
Definition and validation of space radiation environments, and Radiation Hardness Assurance (RHA) requirements for Traditional and New Space programs.
Selection and approval of active EEE components (including COTS) based on their reliability and radiation performance.
Advise transnational EEE teams on semiconductor technology qualification, evaluation of COTS components and new technologies (such as GaN and SiC), Root-Cause Failure Analysis (FA), Radiation qualification etc.
Direct interface with the final customer regarding reliability and radiation effects of semiconductor devices and technology.
Maintain and develop EEE roadmap for deployment in next generation of satellites.
Advise space agencies for various semiconductor reliability and radiation related topics.
Airbus representative on ESA Component Technology Board and ESA Ultra-Deep-Submicron Working Group
October 2014-May 2016: Postdoctoral Research Fellow, Center for Device Thermography and Reliability, University of Bristol, UK.
Coordination of a cross-functional team (engineers, Ph.D. students and Post-docs) to define projects requirements of industrial and government partners on tight deadlines.
Development of novel and state-of-the-art electrical methodologies for understanding device behavior and inherent defects in AlGaN/GaN HEMTs for application in commercial, military, and space electronics.
Development of novel device layouts aimed at understanding reliability concerns in GaN power HEMTs.
Supervised and mentored Ph.D. students to identify problems and work towards a solution
Study radiation effects in the key constituent elements of future III-V HEMTs: III-V channels, barriers and buffer structures, high-K dielectrics and their interfaces with III-V channels.
May 2012-August 2012: Graduate Research Intern, Cisco Systems, San Jose, CA, USA
Project: Reliability Information Interchange Format
Analysis of Radiation-Tolerant Sequential Circuit Elements Designs
Created foundations on a new error reporting standard known as RIIF
Factor affecting Radiation Response of Highly Scaled SRAMs
June 2011-November 2011: International Scholar, IMEC, Belgium
Project: Backside Illuminated CMOS Image Sensors
Modeling, calibration and performance analysis of Novel Backside-Illuminated(BSI) CMOS Image Sensors
Total ionizing dose response of BSI image sensors
Impact of traps on the single-event response of BSI image sensors
Design of rad-hard image sensors as per the specifications of the European Space Agency
August 2010 - August 2014: Graduate Research Assistant, Vanderbilt University Institute for Space and Defense Electronics, Nashville, TN, USA.
Ph.D. Thesis: Sensitivity Analysis of the Radiation Response of FinFETs
Effects of geometry and process variations on the radiation response of FinFETs
Analysis of oxide and interface traps
Radiation Hardness by Design: Model devices to qualify for critical mission components
Masters Thesis: Single Event Effects in SRAMs
Calibrated device modeling of TSMC 40 nm bulk CMOS process
Identified a new phenomenon called Single-Event Upset Reversal Mechanism in Triple-well MOSFETs through TCAD simulations
Experimental validation of the new mechanism discovered
August, 2009 - August, 2010: Graduate Teaching Assistant, Vanderbilt University School of Engineering, Nashville, TN, USA.
Subjects: “VLSI Design”, “Principles and Modeling of Semiconductor Devices”, “Integrated Circuit Technology and Fabrication”, and “Electrical Circuits”
Education
2012 - 2014: Ph.D. Electrical Engineering - Vanderbilt University, USA
Dissertation: Geometric Dependence of the Total Ionizing Dose Response of FinFETs
Advisers: Prof. Dan Fleetwood & Prof. Bharat L. Bhuva
2009 - 2012: M.S. Electrical Engineering - Vanderbilt University, USA
Thesis: Single-event charge collection and upset in 65-nm and 40-nm dual- and triple-well bulk CMOS SRAMs
Advisers: Prof. Bharat L. Bhuva & Prof. Ron Schrimpf
2004 - 2008: B. Tech Electronics & Communication Engineering - West Bengal University of Technology, India
1989 - 2004: South Point High School, Kolkata, India