Hyeryun HWANG
Yongin-si,41
Summary
Analytical and detail-oriented M.S. researcher with hands-on experience in nanoscale characterization and process optimization of N-doped carbon dot TFTs. Proficient in thin film metrology using SEM, AFM, and XRD, and skilled in troubleshooting and interpreting nanoscale data. Experienced in yield analysis using the Commonality method, and proposing improvement plans based on statistical insights. Proven leadership from managing high-pressure operations at McDonald’s, with a strong customer-focused mindset.
Overview
7
7
years of professional experience
1
1
Certification
Work History
M.S. Researcher
Myongji University
Yongin
03.2023 - 02.2025
- Design and implementation of N-doped carbondot(N-CD) TFT device characteristics
- Experience in optimizing device characteristics by adjusting photo, etching, and thin film process parameters
- Measure and evaluate electrical and physical characteristics of devices using various analysis equipment (Agilent 4156C, SEM, OM, XRD, Raman, etc)
- Take other major courses to deepen understanding of devices and learn about Short Channel Effect (SCE) phenomena such as VTH reduction, DIBL, and leakage current, and the principles and development process of FinFET and GAA technologies to solve these
Team Leader
MCDonald’s
Yongin
06.2018 - 03.2023
- Experienced optimizing order processing and flexible customer service through quick adaptability and efficient work processing
- Proactively managed the flow of the store, such as opening, closing, and inventory check
- Facilitated communication between team members as a new employee training and leader, prevented mistakes, and strengthened customer service capabilities
- Cultivated leadership and systematic operation management skills, achieve 97% hourly delivery rate, and selected as an excellent employee 3 times
Undergraduate Researcher
Myongji University
Yongin
09.2022 - 02.2023
- Completed the Semicon Boot Camp, gained interest in semiconductors, and recognized the importance of precise chemical control in processing; applied to Nano Process Device Lab
- Experienced differences in outcomes based on changes in process parameters such as rpm, coating thickness, and annealing time during the TFT fabrication process; decided to pursue graduate studies to deepen expertise in semiconductors
- Strengthened analysis capabilities by directly utilizing Agilent 4156C, Alpha-Step, SEM, OM, XRD, FT-IR, UV-vis, etc
Education
M.S. - Chemical Engineering
Myongji University
Gyeonggi02.2025
B.S. - Chemical Engineering
Myongji University
Gyeonggi02.2023
Skills
- Transistor device implementation
- Photo, etching, and thin film process optimization
- Spectroscopy and microscopy utilization
- Yield analysis and improvement
- AI-based image analysis automation
- Customer-centered approach
Certification
- Hazardous Materials Industrial Engineer, Korea Industrial Manpower Corporation, 12/2021
- Driver's License, Korean National Police Agency, 07/2018
Awards
- Global Scholarship for English Academic Excellence Award, Myongji University, 11/2022
- Mentor-Mentee Program Excellence Award, Myongji University, 12/2021
- 2020 Chemical Engineering Fun & Fun Festival Excellence Award, Korean Institute of Chemical Engineers, 10/2020
Language And Technical Skills
- English, Advanced (OPIC Intermediate High)
- Microsoft Office (Word, Excel, PowerPoint), Advanced
- Python, Intermediate
Activities
- American Chemical Society (ACS) Conference, Poster Presentation, 08/2023
- Mentor-Mentee Program Member, 09/2020, 12/2020
- Cheerleading club, Vice Leader, 09/2018, 12/2019
- Advanced hands-on training in nanodevice fabrication process, 07/2025, 08/2025, Conducted hands-on practice and troubleshooting using 300 mm equipment based on understanding of semiconductor CMOS process modules
- Data-Driven Semiconductor Device/Process Engineering Program, Letuin, 02/2025, 05/2025, Experienced in analyzing low-yield causes and developing an automated defect diagnosis system using Python based on understanding of semiconductor processes and devices
- Nano photonics/Metrology Training, Nano Technology Research Association, 04/2024, 08/2024, Acquired data interpretation skills through understanding the principles and limitations of analysis tools such as SEM, TEM, FIB, and Raman spectroscopy
- Nano Device & Process Practicum, Nano Technology Research Association, 01/2024, 02/2024, Experienced in stabilizing processes through data-driven optimization of PVD and RTP processes and analysis of RIE etch rates
Timeline
M.S. Researcher
Myongji University
03.2023 - 02.2025
Undergraduate Researcher
Myongji University
09.2022 - 02.2023
Team Leader
MCDonald’s
06.2018 - 03.2023
M.S. - Chemical Engineering
Myongji University
B.S. - Chemical Engineering
Myongji University
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