PROFESSIONAL PROFILE:

• 10+ years of hands - on experience of working with semiconductor processing, nanofabrication techniques, nanofabrication process and characterization tools, and optimization of process parameters.
• 4+ years of experience of working on Yield and Reliability Analysis, Fault Isolation(FI) and Fault Analysis (FA), Statistical Process Control (SPC), DOE, testing and reliability of Semiconductor product.
• Extensive research experience and educational background in the areas of semiconductor and magnetic device physics, electrical characterization of devices, Analog and Mixed Signal circuit design, circuit testing and debugging, Nanomagnetism, and Spintronics.
• Proficient in programming/scripting languages: Python, Ruby, Swift, JavaScript, C, SQL and JSL. Experience of iPhone App, Mac desktop app and Web App development.
• Experience with IOT implementation using Raspberry Pi, Arduino etc.
• Yield analysis work at Confidential helped to solve process problems and improved product yield and enhance high frequency performance. Won Divisional Award at Confidential in 2015 for the work.
• Developed Fault Isolation (FI) and Fault Analysis (FA) techniques at Confidential for SRAM circuit debug that enabled faster debug process and improve product yield. Won divisional award at Confidential in 2012 for Debug work.
• Mechanical and electrical design, and implementation of a prototype for a table-top Magnetic Annealing System. The system consists of a closed loop feedback system for precise temperature ramping.
• Proposed and designed an experimental system to observe high-speed switching mechanism of ensemble of magnetically coupled Nanomagnets and led the team effort to implement the system.
• Proposed, designed, simulated and experimentally demonstrated low-power, CMOS compatible implementation of nanomagnet logic (NML) system. Won “Best in Session” presentation award in Techcon 2009 for this work.
• Proposed and designed a ultra-low power clocking mechanism for Magnetic RAM (MRAM) and nanomagnet logic (NML), using magnetostriction effect.

TECHNICAL SKILLS:

Data Analysis Techniques: Yeild analysis using JMP and JSL scripts including correlation analysis, GVB analysis etc. Use of Python tools for big-data analysis.

Measurement, Characterization and Microscopy: Magnetic and Electrical Charcterization of Thin films and pattrened devices, Fault Isolation tools and techniques, Semiconducotr Parameter Analyzer, oscilloscope, network analyzer, CV profiler, probe station, elipsometer, surface profiler,IR, AFM, MFM, SEM, SQUID, FIB, VSM, PEEM, TIVA, IREM, OBIRCH, LTM, LVP, XIVA, four probe meaurements. Experience of working with High Vacuum Systems, pumps, pressure guage etc., and have therotical knowledge as well in the area due to university course work.

Embedded System and IOT tools: Arduino and Raspberry Pi programming.

Programming/Scripting Languages: Python, Ruby, Ruby on Rails, HTML/CSS/JS, Swift/iOS development, JMP/JSL, SQL, C, MATLAB, Verilog, VHDL.

Micro and Nanofabrication Processes and Tools: photolithography, electron beam lithography, mask making, thermal oxidation, metal evaporation and sputter, ALD, lift-off, PECVD, LPCVD, plasma etching, RTP, annealing furnace, RIE, DRIE, wet etching, CMP, dicing saw, and other CMOS processes and tools.

Computer Aided Design and simulation Tools: Medici, Davinci, Sentaurus Device, COMSOL, Maxwell, HFSS, Q3D Extractor, OOMMF, Cadence CAD Tools, L-Edit, Layout Editor, HSPICE, Smart SPICE, PSPICE, Orcad, various FPGA design tools, TI microcontroller programming tools, Eagle, Easy-PC PCB, Cadstar and other PCB layout tools, Mathematica, Visio Technical, Origin, Kaleidagraph, Labview.

RECENT WORK EXPERIENCE:

Engineer and iOS instructor

Confidential, Beaverton, Oregon

PTD Yield Engineer

Confidential, Hillsboro, Oregon

PTD FI Engineer

Confidential, Hillsboro, Oregon

Postdoctoral Researcher

Confidential, Berkeley, CA.

Responsibilities:

• Design and simulation of CMOS-based pulsed current source for Nanomagnetic Logic (NML) system, and power and speed calculation of NML system.
• Design and implementation of high-speed, high-power pulsed current source to observe of high-speed switching dynamics of nanomagnet ensemble.
• Ultra-low power clocking mechanism for MRAM and nanomagnet logic (NML), using magnetostriction effect.
• Investigation of high-speed switching dynamics of nanomagnet ensemble, using Photoemission Electron Microscopy (PEEM).
• Design, simulation, fabrication, material characterization and testing of clock structure for MQCA.
• Analytical calculation and simulation of NML circuit design parameters.
• Developing GUI-based simulator for numerical simulation of nanomagnet switching dynamics, including spin torque effects.
• Lithography and etching of closely spaced thin-film metal structures.
• Statistical Analysis of SORT and ETEST data to find out End of Line (EOL) impact of process changes.
• Development of debug/FI techniques and device characterization to facilitate FI/FA process for SRAM circuit.
• Generating EOL indicator for failure modes, and generating script to facilitate yield analysis.
• Baseline analysis to predict possible yield improvement by semiconductor process changes.
• Analyzing failure and debug data to correlate failure modes to process.
• Design and optimization of nanofabrication process.
• Transistor- level analog and RF circuit design.
• Electronic and magnetic device characterization and modeling.