Won Jun Jo Email and Phone Number
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TECHNICAL EXPERTISE • Materials Synthesis, Devices Fabrication, and Processes Development− 12+ years hands-on experience in cleanroom nanofabrication to scale advanced technologies from concept to production: Etch (cryogenic ICP-RIE, CCP-RIE, RIE), thin-film deposition (ALD, CVD, PVD, thermal/e-beam evaporation, sputtering, spin-coating), lithography, DOE, statistical data analysis, SPC, PFMEA, DFMEA− Chemical synthesis: Solid state reaction, precipitation, metal-organic decomposition• Materials, Devices, and Processes Characterization− Metrology: SEM, CDSEM, Spectra Shape, FIB, TEM, ellipsometry, AFM, profilometry, − Physical analysis: Mass spectroscopy (ICP-MS, GC-MS), XRD, UV-Vis, BET, EDS, XPS, UPS, FTIR, IRRAS− Electrical analysis: Current-voltage curve, cyclic voltammetry, quantum efficiency, conductivity measurement− Electrochemical analysis: Impedance spectroscopy, circuit simulations (Z-View)− Statical analysis: JMP, MATLAB, C/C++, R
Broadcom Inc.
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Staff Hardware R&D EngineerBroadcom Inc. Feb 2023 - PresentPalo Alto, California, UsWireless Semiconductor Division, Broadcom Inc.− Hardware R&D for New Products Introduction − Foundry process development and optimization to manufacture wireless semiconductors for use in massive-volume RF Front-End modules− Quality, Reliability, and Yield control
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Senior Process EngineerLam Research Nov 2020 - Mar 2023Fremont, Ca, UsDielectric Etch Process Development & Optimization for VNAND Flash Memory & DRAM -
Molecular Foundry Primary ResearcherBerkeley Lab Sep 2017 - Nov 2020Berkeley, Ca, UsScalable 3D Nanostructured Semiconductor Devices for CO2 Fixation o Project 1: Ultrathin (2 ~ 6 nm) SiO2 film as H+/O2 separation membrane− Investigated surface defects of SiO2 thin-films and illuminated their H+ transfer mechanism using advanced surface science techniques (FTIR, IRRAS, XPS, etc.) and electrochemical simulation, which is 1st in the field (led to publication at Advanced Functional Materials, Journal of Physical Chemistry C)− Modifying, running, maintaining, and stabilizing an plasma-enhanced ALD system to perform conformal coatings of SiO2, TiO2, Co3O4 (spinel structure), and Al2O3o Project 2: Photo-responsive inorganic nanotube assemblies for scalable CO2 conversion − Tackling the key challenges in enabling CO2 gas fixation in a cost-effective manner − Developed scalable semiconductor-device fabrication method leveraging cleanroom vacuum techniques (microsphere lithography, RIE, cryogenic ICP etching, ALD, etc.) into high-aspect-ratio 3D nanostructured device integration− Prototyped Co3O4/SiO2/TiO2 core-shell nanotube arrays on 4-inch Si wafers for CO2 gas conversion into biofuels using solar power, which is 1st in the field -
Research AssistantMit Sep 2011 - Jun 2017Cambridge, Ma, UsCVD-Polymer Interfacial Engineering for Organic Electronicso Project: Multimodal polymer thin-film integration into organic solar cells− Designed and built up an oxidative CVD (oCVD) equipment enabling conformal coatings of diverse conjugated polymers on any substrates− Introducing, running, maintaining, and stabilizing new oCVD processes to incorporate poly(3,4-ethylenedioxythiophene), polythiophene, polyselenophene, and poly(3,4-dimethoxythiophene) thin films into organic solar cells to enhance their efficiency and stability, which was 1st in the field (led to publication at Advanced Materials, Organic Electronics, Advanced Materials Interfaces, and two more papers under preparation) -
ResearcherPohang University Of Science And Technology Feb 2011 - Aug 2012Pohang, Gyeongsangbuk-Do, KrDoping-Treated Semiconductor Thin Films as Photo-electrodeso Homogeneous doping of P5+, In3+/Mo6+, and Ca2+ into BiVO4 and Ag3VO4− Invented unique doping methods for vanadate-based semiconductors to transform their properties according to target purposes (charge-transfer resistance decrease, band-gap size control, Fermi-level position control, etc.), which was 1st in the field (led to publication at Proceedings of the National Academy of Sciences, Angewandte Chemie International Edition, and one more paper under preparation) -
Peace Keeper (Sergeant)United Nations Dec 2008 - Aug 2009New York, Ny, UsPeacekeeping in Lebanon for 9 months out of 2 years in the Republic of Korea Army (ROKA)
Won Jun Jo Education Details
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Massachusetts Institute Of TechnologyChemical Engineering -
Pohang University Of Science And TechnologyChemical Engineering
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Daejeon Science High School
Frequently Asked Questions about Won Jun Jo
What company does Won Jun Jo work for?
Won Jun Jo works for Broadcom Inc.
What is Won Jun Jo's role at the current company?
Won Jun Jo's current role is Hardware R&D | Semiconductor Foundry Process | Quality, Reliability, and Yield Control.
What is Won Jun Jo's email address?
Won Jun Jo's email address is ju****@****rch.com
What schools did Won Jun Jo attend?
Won Jun Jo attended Massachusetts Institute Of Technology, Pohang University Of Science And Technology, Daejeon Science High School.
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