Punsiri Lakruwan Samarasinghe, PhD
3015 Greenridge Dr, Apt. 57 – Houston, Texas 77057 – Mobile: (203)-685-0002
Email: firstname.lastname@example.org – LinkedIn: www.linkedin.com/in/psamaras
Semiconductor – MEMS & Instrumentation – Micro Electro Mechanical System – Device Fabrication
Research & Development
Electrical Engineer with specialized knowledge of MEMS & Instrumentation. Background in Engineering, Physics, Chemistry,
Material Science and semiconductor process fabrication with emphasis on photolithography tool operation and process development.
Experience with process tool hardware with ability to diagnose and repair hardware, software and electrical glitches. Knowledge of
front end and back end semiconductor processing such as thermal, wet/plasma wafer clean, deposition and etch processes in
addition to knowledge of photolithography processes. Strong analytical and interpersonal skills. Works effectively in a team-oriented
or in an independent environment.
Texas A & M University, College Station TX, USA
PhD in Electrical Engineering (Device Science and Nanotechnology), GPA: 3.47/4.0 – 12/2014
Dissertation Title Microstructure Bio-Material for Behavioral Analysis
Master of Engineering in Electrical Engineering (Electromagnetics and Microwaves), GPA: 3.23/4.0 –12/2008
University of Bridgeport, Bridgeport CT, USA
Bachelor of Science Degree in Computer Engineering, Minor in Mathematics, GPA: 3.34/4.0 – 5/2006
Presidents List: Spring 2003/Fall 2004
Engineering/Semiconductor Analysis Validation Knowledge
Knowledge of semiconductor wafer Conduct statistical analysis with Proficiency with bench level test
fabrication with emphasis on background in SPC. equipment (i.e. DC power
photolithography unit step, device Devices supplies, oscilloscopes, multi-
physics, effects of process parameters Device fabrication, MEMS, Photo meters)/Capable of developing
and contamination on device Lithography, Instrumentation, Device a detailed validation plan for
performance and reliability, optical Analysis & Characterization, data the device datasheet specs and
physics and the effects of interactions analysis & manipulation, MEMS system tests. Schematic
between photoresist polymers, Surface/Optical Analysis, Electrical capture tools and techniques
exposure dosage, develop and Engineering. to develop high-performance
hardbake processes to obtain desired Research & Development lab boards/ Working knowledge
device profiles. Strong background in R&D. of PCB layout best practices.
PROFESSIONAL WORK HISTORY
Texas A&M University, College Station, TX (Jan 2009 –May 2015)
Department of Electrical Engineering (Dec 2014 –May 2015)
Trained the Device Science and Nanotechnology research group. Performed independent volunteer research work.
Research Assistant – Department of Electrical Engineering (Jan 2009 – Dec 2014)
Designed and developed a multilayer fabrication technique for polymer fabrication by photo-lithography.
Designed, developed and fabricated MEMS devices for Optical analysis/Analytical characterization.
Designed, developed and fabricated Micro Devices for micro-mechanical/surface analysis.
Conducted R&D for the Device Science and Nanotechnology research group.
Graduate Teaching Assistant – ECEN 214 (Electrical Circuit Theory), ECEN 215 (Principles of Electrical Engineering),
ECEN 248 (Introduction to Digital Systems Design) – Department of Electrical Engineering (Aug 2009 – May 2014)
Led group lab work (circuit design), mentored undergraduate students, prepared quizzes, prepared experimental
instructions, graded the assignments, responded questions, LabVIEW/EWB/VHDL software demonstrations, helped with
homework and led exam help sessions for undergraduate students.
Resume of: Punsiri Lakruwan Samarasinghe, PhD Page 2
PROFESSIONAL WORK HISTORY
Pitney Bowes Inc, Engineering Research Lab, Shelton, CT (Aug 2006 – Jan 2007)
Diagnosed and addressed electro mechanical issues of the Lemans & Sebring early development project for United States
Postal Services (USPS). Maintained HW/SW trouble code logs via SureTrac software.
University of Bridgeport, Information Technology Department, Bridgeport CT (May 2005 – May 2006)
Involved in system troubleshooting, image copying of hard drives (Norton ghost software).
Network management in Bridgeport campus and Stamford campus which is affiliated to the UB.
Maintained an active directory under a domain name and named all the computers under that directory.
Provided system upgrading with latest software package installation. Backup PST files and configuring outlook settings
including SMTP and POP3 mail settings according to the particular ISP’s of the university machines.
University of Bridgeport, Bridgeport CT – Volunteer Work (May 2005 – May 2006)
Columnist for “The Scribe” (University of Bridgeport official newspaper).
Department of Electrical Engineering, Texas A&M, College Station, TX, USA (Jan. 2014 – Aug. 2014)
Designed & developed a micro-device to change steering angle for optical characterization via DC power voltage variable
(0.5V-10V) solenoid electro-magnet. Magnetized the nematodes by chemical synthesis with 50nm magnetic beads (Turbo
Beads). Designed micro-device photo-mask in AutoCAD and 3D structure designed in SolidWorks. MEMS device fabricated
by photo-lithography on a Silicon wafer substrate.
Department of Electrical Engineering, Texas A&M, College Station, TX, USA (Jan 2013 – Dec. 2014)
Designed & developed a micro-device to encapsulate AOB & NOB bacteria to enhance nitrification process.
Photo-mask of the MEMS device designed in AutoCAD and 3D structure designed in SolidWorks. Fabricated MEMS device by
photo-lithography application on a Silicon substrate. Oxygen plasma RIE applied for the device cleaning.
Department of Electrical Engineering, Texas A&M, College Station, TX, USA (Jan 2012 – Dec 2012)
Designed & developed a micro-device for producing high yield of microspheres (Diameter 100, 200, 300um).
Master mold of the MEMS device fabricated by applying SU8 negative photo-resist on a Silicon substrate.
Department of Electrical Engineering, Texas A&M, College Station, TX, USA (July 2009 – Dec 2011)
Designed & developed a micro-device for Optical analysis of MDA 231, MCF 7 cancer cells.
MEMS device fabricated by photo lithography applying SU8-2025 photoresist on a Silicon substrate and master mold of the
device fabricated in PDMS (Polydimethylsiloxane) soft polymer. Oxygen plasma RIE applied for the device cleaning.
Jun Kameoka, S A P L Samarasinghe, Michael V Pishko, Kung-Hui Chu; “Fabrication of 3D bacterial microenvironment
modules by 3D dry lift off”
Software: Adobe Photoshop, MS Excel, HTML, Lotus 123, MS Word, MS Outlook, MS FrontPage, ArcSoft Photo impression,
AutoCAD, SolidWorks, MS Extend and similar software packages.
Simulation Tools: PSPICE, LabVIEW, MATLAB, EWB.
Hardware language: VHDL.
Fabrication: Photo-Lithography, Etching, Wafer handling, MEMS Device Analysis/Design/Characterization.
Equipment: FE-SEM, AFM, Reactive Iron Etcher (RIE), Mask Aligner, Fourier Transform Infrared Spectroscopy (FTIR), Confocal
Microscope, Oscilloscope, Function Generator, Spectrum Analyzer, AC/DC Power Supplies, FPGA.
Polymer: Photo-Resist (SU-8, Shipley), PEGDA (Polyethylene (glycol) Diacrylate) Hydrogel, Collagen, Matrigel,
Graduate Assistantship – Texas A&M University (2009-2014).
Academic Scholarship – University of Bridgeport (2002-2006).
President’s list – University of Bridgeport for the 2003/2004 Academic Years.
Presidents Scout of Sri Lanka (Equivalent to Eagle Scout in USA) – 2000.
Jun Kameoka, Kung-Hui Chu, S A P L Samarasinghe; “Hydrogel Micro-system with Multiple Bacteria to Enhance Ammonia
Removal Process”. International Conference on Nanochannels, Microchannels and Minichannels (ICNMM) Technical
Presentation, July 6–9, 2015, San Francisco, CA.
Assistant Scout Leader of the Royal College, Sri Lanka scout troop.
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