CV

Semiconductor process engineer specializing in metal ALD with 8+ years of experience across research, field engineering, and process development.

Contact Information

Name Seungjoo Han
Professional Title Process Development Engineer
Email SeungjooHan at outlook.kr
Location , Hwaseong-si, Gyeonggi-do

Professional Summary

A dedicated chemical engineer with a strong background in characterization and thin film deposition using ALD. Holding a master’s degree from Konkuk University and several years of hands-on experience in research and industry, with a robust skill set in material analysis, IP administration, and project management. SCI-indexed publications and multiple recognitions for research contributions. Passionate about innovation and continuous learning.

Experience

  • 2025 - present

    Pyeongtaek-si, South Korea

    Process Development Engineer
    Wonik IPS
    Low resistance memory word-line (W/L) metal process development.
    • Development of high-throughput, low-resistivity metal ALD processes for memory W/L applications
  • 2021 - 2025

    Hwaseong-si, South Korea

    Field Process Engineer
    ASM
    Overseeing metal ALD processes for memory applications (DRAM/VNAND), with supporting roles in Logic foundry and advanced-node demonstrations.
    • DRAM: Implemented low-resistance W/L metal ALD process for BCAT, VCT, and 3D DRAM architectures
    • VNAND: Executed low-resistance W/L metal ALD process to substitute the established W/L layer
    • Supported metal ALD process development for the BSPDN layer of Logic devices
    • Provided HVM (High-Volume Manufacturing) issue support for logic foundry customers
    • Supported C&F (Characterization & Feasibility) demonstrations for advanced-node memory devices
    • Received 2 Spot Awards (Aug 2022, Mar 2023) for research and field engineering contributions
  • 2017 - 2021

    Anyang-si, South Korea

    R&D Engineer / Analyst / IP Administrator
    EM-Tech
    Multi-disciplinary role covering R&D, analytical chemistry, and IP administration for aerosol device and sound-absorption material development.
    • R&D: Developed e-cigarette devices, gel-liquid formulations, and sound absorption materials
    • Analysis: Performed quantitative nicotine-delivery analysis using GC/FID
    • Analysis: Handled hazardous material analysis requests from related departments and reported results cross-functionally
    • IP: Conducted patent analytics and prior-art research for R&D projects
    • IP: Trained staff on the KIPRIS patent search engine
    • IP: Managed monthly IP expenses and quarterly job-invention reward settlements

Education

  • 2015 - 2017

    Seoul, South Korea

    Master of Science
    Konkuk University
    Chemical Engineering
    • Thin Film Engineering, Characterization of Organic Nano Thin Film, Engineering of Semiconductor Devices, Advanced Instrumental Analyses, Solid State Chemistry
    • Advisor: Prof. Yo-Sep Min
    • Research topic: Characterization and Growth of ZnO Thin Films by Atomic Layer Deposition
    • Investigated 1,5-pentanediol as an oxygen precursor for the ALD of ZnO thin films
    • Coursework in semiconductor device fundamentals and instrumental analysis
  • 2010 - 2014

    Seoul, South Korea

    Bachelor of Science
    Konkuk University
    Chemical Engineering
    • Working as an undergraduate research assistant

Publications

  • 2017
    1,5-pentanediol as an oxygen precursor for atomic layer deposition of zinc oxide thin films
    Chemistry of Materials (Chem. Mater.), 29, 3371

    First-author SCI publication demonstrating 1,5-pentanediol as a novel oxygen precursor for ALD of ZnO thin films.

  • 2015
    Highly uniform and vertically aligned SnO2 nanochannel arrays for photovoltaic applications
    Nanoscale, 7, 8368
  • 2014
    Novel chemical route for atomic layer deposition of MoS2 thin film on SiO2/Si substrate
    Nanoscale, 6, 14453

Patents

  • 2021
    Residual Amount Measurement Structure of Liquid Cartridge Applied in Portable Aerosol Forming Apparatus (GRANTED, KR 10-2291246)

    Granted Korean patent (Application No. 1020190110595, filed 2019-09-06).

Awards

  • 2023
    Spot Award
    ASM

    Aggressively supported film resistivity issue in DRAM Mo JDP and solved the mismatch

  • 2022
    Spot Award
    ASM

    Fully supported Mo JDP tool to solve the HW & Process problems

Projects

  • ZnO Thin Film ALD with 1,5-pentanediol (M.S. Thesis)

    Investigated the use of 1,5-pentanediol as a novel oxygen precursor for the atomic layer deposition of ZnO thin films, covering film growth characteristics, structural properties, and electrical performance.

    • First-author SCI publication in Chemistry of Materials (2017)
    • Surface/structural characterization (HR-TEM, GIXRD, XPS)

Skills

Process Engineering (Expert): Atomic Layer Deposition (ALD), Metal ALD, Low-Resistivity W/L Metal Processes, DRAM (BCAT/VCT/3D), VNAND, HVM Support
Thin Film Characterization (Advanced): AFM, GIXRD, XPS, GC/FID, Surface Roughness Analysis, Crystallinity & Texture Analysis
IP & Project Management (Advanced): Patent Analytics, KIPRIS, Patent Drafting Support, IP Cost Management, Job-Invention Rewards
Soft Skills (Advanced): Critical Thinking, Cross-functional Communication, Technical Reporting

Languages

Korean : Native speaker
English : Professional working proficiency

Relevant Coursework

  • Thin Film Engineering (2015)
    • Vacuum deposition techniques, structure, properties, and applications of thin films.
  • Characterization of Organic Nano Thin Film (2014)
    • Analytical methods for organic materials and thin films, including vacuum coating techniques.
  • Engineering of Semiconductor Devices (2014)
    • Semiconductor physics, device operating principles, and fabrication processes.
  • Advanced Instrumental Analyses (2014)
    • Principles of analytical methods, sample preparation, and data interpretation.
  • Solid State Chemistry (2013)
    • Crystal structure, atomic bonding, crystal defects, phase diagrams, and synthesis.