🧑 Profile
Second-year Master’s student at National Taiwan University, focusing on heterojunction bipolar transistor (HBT) and currently doing research in the fabrication and characterization of radio-frequency InP-based HBT. Actively involved in device processing and measurement, while also learning advanced simulation techniques using Silvaco TCAD and device design tools. My broader interests span across optoelectronic devices, light-emitting transistors (LETs), and the integration of electronic and photonic systems for future communication technologies. I am always eager to be challenged with new and exciting problems while learning new skills in solving them.
🎓 Education
Master of Science: National Taiwan University, Taiwan
Graduate Institute of Photonics and Optoelectronics, College of Electrical Engineering and Computer Science, 2024-2026 (Expected)
- GPA: 4.24/4.30, ranked 7th out of 114 students in the fall semester of 2024.
- Research assistant at the Integrated Optoelectronic Devices (IOED) Lab under Professor Chao-Hsin Wu (吳肇欣教授)
- Research interests include heterojunction bipolar transistor (HBT) and light-emitting transistor (LET). Engaged in device processing and characterization, as well as simulation and design.
- Executive Committee of IEEE NTU Student Branch as Webmaster. Responsibilities include website and social media management and working with other officers in organizing activities such as seminars.
Bachelor of Science: BINUS ASO School of Engineering, Indonesia
Automotive & Robotics Engineering Program, 2019-2023
- Graduated with a GPA of 3.89/4.00.
- Thesis project presented at ICEEI 2023, Bandung, Indonesia: “Automatic Heliostat Directing System Based on Microcontroller ESP32”.
- Participated in the “IoT Technology for Hydroponics Community” project in collaboration with Depok City Regional Government.
- Taught and guided 70 students as a Teaching Assistant for the Digital Systems Course.
High School: SMAK St. Louis 1 Surabaya, Indonesia
Math and Science Program, 2016-2019
- Graduated with average of 91/100 in School Exam, a full mark in physics National Exam and 93/100 average on all subjects in National Exam.
💼 Professional Experience
Integrated Optoelectronic Devices (IOED) Lab, NTU: Research Assistant, August 2024 - Present
Headed by Professor Chao-Hsin Wu (吳肇欣教授), IOED Lab focuses on the design, fabrication, and characterization of high-speed microwave III-V semiconductor electronic and optoelectronic devices. I work on heterojunction bipolar transistor (HBT), a type of transistor that use different materials for different regions, instead of using one single material such as silicon. My activities include device processing in the clean room, device measurement and characterization, experiment design and project planning.
PT Graha Securindo Pratama: Assistant Technical Engineer, Nov 2023 - May 2024
PT. Graha Securindo Pratama is an Indonesian distributor of thermal imaging cameras from FLIR, Sensia, Optris and others. I worked on system integration with various customers for gas leak detection and temperature monitoring solutions. My responsibilities included device integration, customer training and field commissioning of thermal cameras.
FA Support (ＦＡサポート): Intern, Aug 2023
FA Support is an industrial automation company based in Fukuoka, Japan. This experience was part of my summer course in Japan. I worked on developing a 3D concept design for an automated tray dropper. My responsibilities included creating the animation and parts of the design.
PT. Daun Pintar Raya: IoT Hardware Engineer, October 2022 – March 2023
PT. Daun Pintar Raya is a hydroponics automation company. I worked on developing and maintaining the company’s flagship products (hydroponics farming IoT devices). My responsibilities included software and hardware development, application integration, in-office testing and field testing
PT. Aldebaran Rekayasa Cipta: IoT Hardware Engineer Intern, July – October 2022
PT. Aldebaran Rekayasa Cipta (Baran Energy) is a company that focuses on renewable energy. I worked on developing an IoT solution for hydroponics farming in the Baran Farm (Daun Pintar) division. My responsibilities included software and hardware development, testing and assisted in horticulture research.
BINUS ASO School of Engineering: Digital Systems (Course) Lecturer Assistant, September 2021 – January 2022
I taught Digital Systems course to 70 underclassmen and assisted with their projects under supervision of Ir. Sofyan, S.Kom., M.Eng. My responsibilities included teaching, creating and grading homework for students.
- Created FIR and optimized IIR implementation in VHDL, documented in this blog.
💻 Selected Projects
Radio-Frequency Heterojunction Bipolar Transistor (RF HBT)
- Part of the Taiwan National Science and Technology Council (NSTC) project on compound semiconductors.
- Working on the development of ultra-high-speed InP-based HBTs for 6G applications.
- Tasks include device processing, experimental design, DC and RF measurement.
Automatic Heliostat Directing System Based On Microcontroller ESP32
- Designed a system to automatically direct a mirror to keep sunlight focused on a fixed target.
- Conference Proceeding URL
- Blog
FIR and IIR Implementation in VHDL
- Developed FIR and IIR digital filters during my role as a Digital Systems Lecturer Assistant. Used for explaining digital filter theory and implementing them in VHDL.
- Blog
- Repo
IoT Technology for Hydroponic Community in Depok
- Collaborated with 13 team members on a smart farming project for local hydroponic farmers. Designed camera monitoring and parameter control systems (UI, buttons, screen).
- Blog
Language Flashcard with Python
- A project I learned to make in a Python online course. I modified the provided code to add Chinese and Japanese flashcards.
- Technologies Used: Python
- Blog
- Repo
Simple Financial Recording App in C Language
- A CLI-based simple financial recording app, made for Algorithm and Programming Fundamentals course.
- Technologies used: C language
- Blog
- Repo
Analog Car Door Impact Prevention System
- An analog system that uses an infrared sensor to detect obstacles and sounds alarm if an object is near.
- Technologies used: Electrical components
- Blog
Others
🧰 Skills
- Semiconductor Processing and Characterization: photolithography (MA6 and e-beam), deposition with EBPVD and PECVD, wet and dry etching, TLM, DC/RF measurements, scanning electron microscope (SEM), optical microscope (OM), atomic force microscope (AFM)
- Semiconductor Simulation and Design: Device and process simulation using Silvaco TCAD, Layout and mask design using ADS
- Electrical Design: PCB design, microcontroller systems, digital circuit implementation, CPLD/FPGA with VHDL, PLC programming
- Mechanical CAD and Simulation: Design and simulation using Autodesk Inventor, 2D and 3D mechanical drawing Software Development
- Programming language: Python, SQL, C/C++, Arduino, Rust, MATLAB, Kotlin; Experience in AI, ROS2, Android, and web development
- Languages: Indonesian (native), English (proficient, TOEFL iBT score: 111/120), Chinese (intermediate), Japanese (basic)
📜 Certificates
- TOEFL iBT: 111/120 with 30/30 in reading, 27/30 in listening, 26/30 in speaking and 28/30 in writing
- RapidMiner Machine Learning Professional Certification
- freeCodeCamp Machine Learning with Python Developer Certification
- Udemy ROS2 Course Certificate
- Udemy Python for Computer Vision Course Certificate
- Udemy Rust Course Certificate
⭐ Interests
- Semiconductor Technology
- Artificial Intelligence
- Robotics
- Internet of Things
- Sustainability
📞 Contact
Send me an email at richard1medyanto@gmail.com