Stephen Cheng

Research Assistant for Prof. Hooman Mohseni at Northwestern University
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us****@****om
(386) 825-5501
Location
JE

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Experience

    • United States
    • Higher Education
    • 700 & Above Employee
    • Research Assistant for Prof. Hooman Mohseni
      • Apr 2022 - Present

      • Conduct research funded by Sandia National Laboratories on high resistance, thin film memristors with the aim of investigating their state switching and retention capabilities for potential use in ReRAM and low voltage systems• Directed thousands of measurement scans on hundreds of devices using a pulse generator, delay generator, low noise amplifier, and digital multimeter, and wrote Python scripts to graph and analyze data and record measurement minutes• Created a Python GUI to automate the test equipment and implement an algorithm to optimize the research process• Use PowerPoint to analyze and present data at weekly and biweekly meetings to my professor and Sandia• Awarded a $5400 grant from the Northwestern ECE Department Undergraduate Summer Research Award 2022

    • Engineering Aide at Center for Hierarchical Materials Design
      • Jan 2022 - Mar 2022

      • Operated a powder-bed metal additive manufacturing machine to produce aluminum token samples of varying size and layout for use in research towards improving the porosity and structural stability of metal additive manufacturing• Created CAD models of samples using SolidWorks and determined layouts for builds to ensure even production• Decontaminated build chamber and valves and replaced aluminum powder after each build to guarantee build purity

    • United States
    • Automotive
    • 1 - 100 Employee
    • Electrical Team Member
      • Sep 2021 - Present

      • Designed a light control board schematic and layout in EAGLE using a 555 timer, LDO regulator, digital logic gates, external control inputs and outputs, Molex connectors, and transistor buffers to drive the LEDs • Lead assembly of the light control PCB, including soldering SMD components, testing continuing and voltage outputs using multimeters and oscilloscopes, crimping Molex connectors, and repairing connections with jumper wires • Created documentation files for the light control circuit and write biweekly reports to record progress • Collaborated on battery box assembly and achieved a 10% size reduction compared to the previous model: measured 100+ battery impedances, soldered loose connections, epoxied thermistors, and crimped relay ring terminal contacts

  • Self-employed
    • Short Hills, New Jersey, United States
    • Private Tutor
      • Jun 2019 - Aug 2021

      • Provided private lessons for over 10 elementary and middle school students in Math, English, and Violin • Ensured one student to make the honor roll of the American Math Competition 8 • Created effective practicing and studying strategies tailored to each student that addressed their weaknesses and cultivated their strengths • Provided private lessons for over 10 elementary and middle school students in Math, English, and Violin • Ensured one student to make the honor roll of the American Math Competition 8 • Created effective practicing and studying strategies tailored to each student that addressed their weaknesses and cultivated their strengths

Education

  • Northwestern University
    Bachelor of Science - BS, Electrical Engineering
    2021 - 2025
  • Millburn Public High School
    2017 - 2021

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