Ritu Rashmi
Ph.D.
Mumbai
Summary
Self-motivated and growth-oriented individual with over ten years of research experience in fabrication of semiconductor devices, radiating systems and sensors. I am passionate about teaching and have a strong inclination towards research and development of novel devices and materials.
Overview
1
1
Language
12
12
years of professional experience
Work History
Senior Project Engineer
IITBNF, IIT Bombay
08.2015 - 12.2016
- My role involved a feasibility check of proposals and overseeing the execution of 100% of the projects submitted under the Indian Nano Users Program (INUP), Department of Electrical Engineering, IIT Bombay.
- Calculated risks during project development and managed risks throughout projects.
Research Fellow
IIT Bombay
06.2006 - 06.2008
- In this capacity, I was primarily involved with optimizing the electron beam lithography process for sub-100 nm MOSFET fabrication.
- Conducted advanced research utilizing computational modeling tools to analyze complex data sets.
Project Assistant
National Metallurgical Laboratory
06.2005 - 05.2006
- As a part of the job, I was involved in the fabrication of ceramic composites using a self-sustaining high-temperature synthesis reaction (SHS), ensuring 100% completion of the project.
- Maintained a high level of accuracy in all project documentation, ensuring consistency and clarity throughout the lifecycle of projects.
Education
Ph.D. - Electrical Engineering, Microelectronics
Indian Institute of Technology, Bombay
Mumbai, India04-2016
Master of Science - Physics, Electronics and Microwave
Ranchi University
Ranchi, India11-2003
Skills
Modelling Tools and Software : High Frequency Structure Simulator, IE3D, CST Microwave Studio, COMSOL Multiphysics, Clewin, GDSII
Fabrication and Characterization Tools : Optical Lithography, Electron Beam Lithography, Laser Writer, Wafer Bonder, Metal Sputter and Evaporation, Diffusion and Oxide Growth furnace, Etching, Gold Electroplating, UV-Vis, XRD, FTIR, contact angle, Spinner, Vector Network Analyzer, Spectrum Analyzer, Impedance Analyzer, Scanning Electron Microscope, Profilometer and Ellipsometer
Operating System : Windows
Physics
Semiconductor Engineering
Antenna
Teaching
Research
Material science
Soft Lithography
RESEARCH INTEREST
My research interest lie primarily in the area of modelling, simulation, fabrication and testing of 2D and 3D antennas, Optical antennas, Frequency selective surface, Terahertz absorber and filters, Flexible electronics, High power semiconductor devices, Composites, novel materials, Diatoms, MEMS, soft lithography and microfluidics.
RESEARCH EXPERIENCE
- Design of Dual Band Gap Coupled Hexagonal Ring Antenna
- Used MoM based IE3D platform for designing microstrip Hexagonal Ring antenna loaded with horizontal and vertical gaps for dual mode operation.
- Formulated design equations and carried out simulations for detailed analysis of parametric variations.
- SAW Patch Antenna for Radio Frequency Identification Tagging Systems
- Passive Surface Acoustic Wave Transponder based RFID Tagging System operational in ISM band was designed and analyzed using IE3D simulator.
- Micro fabrication of the device was achieved on Quartz substrate and was subsequently tested using Vector Spectrum Analyzer, radiation characteristics like radiation pattern and S parameter were analyzed.
- Design and Fabrication of Three-Dimensional Lens Antenna using Micro-stereolithography process
- A high directive electrically small three-dimensional lens antenna was designed for Ka band frequency node
- The designed antenna was fabricated using rapid prototype process of micro-stereolithography and subsequently tested and compared with a rectangular patch antenna of same footprint
- Meta material - Antenna array Platform for Explosive Detection
- Designed metamaterial and staircase antenna array system operating at same frequency
- Demonstrated proof of concept relating TNT detection using FEM based HFSS simulator
- Compact Reflective Phase Shifter
- Designed and modelled ultra-wide bandwidth diode-less elliptical reflective phase shifter using CST microwave Studio platform
- Comparative analysis of elliptical phase shifter with that of a semi-elliptical phase shifter was carried out for enhanced bandwidth and compact device
PATENT
R. Rashmi, S.P. Duttagupta, K. P. Ray, P. S. Gandhi and R. P. R. C. Aiyar. Three Dimensional Ka-band Lens-antenna using Micro stereo lithography process. Patent application number 3869/MUM/2013 granted in October 2013 (India)
ACADEMIC ACHIEVEMENT
Gold medallist in M.Sc. Physics, Ranchi University, 2003, Qualified GATE 2008 with 95.09 percentile in Physics and all India rank of 280/5925
PUBLICATIONS
- K. P. Ray, M. D. Pandey, R. Rashmi and S. P. Duttagupta, “Compact configurations of hexagonal microstrip antennas,” Microwave Opt Technol Lett 55(2013), 604 - 608
- R. Rashmi, S. P. Duttagupta, K. P. Ray and M. D. Pandey, “Range detection of moisture plume with miniaturized microwave sensor,” Proceedings of First International Symp. on Physics and Technology of Sensors, 2012, pp. 98-
- R. Rashmi, K. P. Ray and S. P. Duttagupta, “Bandwidth Enhancement using Gap-Coupled Hexagonal Microstrip Antennas in L Band,” Microwave Opt Technol Lett 55(2013), 2703 - 2708
Timeline
Senior Project Engineer
IITBNF, IIT Bombay
08.2015 - 12.2016
Research Fellow
IIT Bombay
06.2006 - 06.2008
Project Assistant
National Metallurgical Laboratory
06.2005 - 05.2006
Master of Science - Physics, Electronics and Microwave
Ranchi University
Ph.D. - Electrical Engineering, Microelectronics
Indian Institute of Technology, Bombay