Tomas Barraza, Phd Email & Phone Number

Durham, North Carolina, US

Working to qualify new power die products in state of the art 200mm SiC fab

Fremont, CA, US

• Improved key customer parameter by over 70% as lead process engineer in DRAM plasma etch demo project
• Led root cause analysis for months-long customer defectivity escalation to improve die loss from 100% to <1%
• Designed and verified model for residue defect formation in EUV photoresist during plasma etch, including fundamental mechanisms and mitigation options for customer consideration
• Responsible for all aspects of customer engagement as principal engineer, including experiment design, execution, data analysis, and weekly presentation of results to customer counterparts

Fremont, CA, US

• Participating in prestigious CoRE rotation program consisting of 3 full-time rotations at Lam as well as leadership development programming that includes presentation to company executives.Process Engineer, Conductor.
• Leading startup of new DRAM EUV bitline contact etch application demo, with ownership over pathfinding process from conceptual stage
• Working directly with customer team onsite to align on project priorities and DOE planning
• Participated in qualification of NAND AHM mask open etch for future customer technology nodeProcess Engineer, CVD/ALD Metals C&F Group:
• Focused on delivering preclean approach that met customer's needs for metallization of future technology nodes
• Organized cross-functional qualification of novel vapor etch preclean tool for business unitProcess Engineer, Surface Integrity Group (Selective Etch):

Durham, North Carolina, US

• Involved in collaborative and individual research projects over duration of PhD studies:
• Developed novel thin film synthesis techniques for hybrid nanomaterials with applications in solar cells and LEDs using a Matrix-Assisted Pulsed Laser Evaporation (MAPLE) system
• Developed first-of-their-kind synthesis guidelines to promote stability and reliably increase solar cell efficiencies from 0.1% to over 12%
• Quickly obtained expertise in benchtop manufacturing techniques for R&D-scale photovoltaic devices, including fumehood nanoparticle synthesis and glovebox wet/dry deposition & assembly
• Organized and participated in regular project meetings with local, national, and international collaborators to review data analyses and align on Design of Experiments (DOE)
• Trained and mentored 10 undergraduate and graduate students in scientific and lab safety methods

Raleigh, North Carolina, US

• Worked under the supervision of senior PhD students performing research for two projects:(1) Applied optics research for the characterization of aircraft coating defects:
• Pioneered the usage of light polarimetry to monitor condition of military aircraft ceramic coatings
• Published 2 peer-reviewed articles describing the broad applications of polarimetry technique
• Worked independently in graduate optics laboratory environment with little supervision
• Performed extensive data analysis on over 100 samples using MATLAB software(2) Materials research for the creation of a microfluidic biomedical device:
• Used soft lithography processing techniques to prototype a microfluidics biomedical device

Doctor Of Philosophy - Phd, Electrical Engineering

Graduate Certificate, International Development Policy

Master Of Science - Ms, Electrical Engineering

Bachelor Of Science - Bs, Electrical Engineering