Thin Film Process Engineer

SAM S. YOM

***** ******* **** ****, ******, TX **717

Cell:512-***-**** ***.*.***@*****.*** http://www.linkedin.com/in/samyom

OBJECTIVE A position utilizing thin film process development engineering experience

SUMMARY

- Experienced in large-area ion beam assisted deposition on flexible PVDF materials.

- Experienced in thin film process developments & MEMS manufacturing with hands-on experiences of PVD & CVD techniques, materials characterization techniques, photo-lithography, wet etching, clean room wafer fab process, and UHV technology in general.

- Professional multi-skilled thin film engineer with Ph.D. and 10+ years of thin film development experience in multi-layers of metal, oxide, semiconductor and high temperature superconductor thin film devices including LCD backlight units.

- Extensive experience in managing new material & new process development projects will add value.

- U.S. Citizen

RELEVANT SKILLS

* Thin film vacuum deposition technologies of Physical Vapor Deposition PVD, RF/AC/DC sputtering, thermal evaporation, e-beam evaporation, Laser deposition, ion-assisted deposition IAD; Chemical Vapor Deposition CVD, plasma enhanced PECVD, LPCVD, and MOCVD to fabricate multi-layers thin films of semiconductor, superconductors, metals, and ferroelectric oxides materials.

* Material characterization techniques of thin film materials measurements, process monitoring and control by XRD, ICP, SEM, TEM, STM, AFM, RBS, Auger AES, stress measurement, profile meter, four point probe, I-V, R-T, PL, IR, UV, FTIR, Raman, and optical spectroscopy.

* Fab process: Clean room experience in manufacturing & knowledge in MEMS fabrication equipment and process flows: Photolithography, Dry/wet etching, mask aligner, semiconductor wafer handling, surface modification, ultra-fast laser, cryogenic system, and ultrahigh vacuum technology ultrahigh vacuum technology UHV; cryo pumps, turbo molecular pump, material science, and lasers: Ar+, Nd -YAG, Dye and semiconductor laser.

* Development projects: RF MEMS switches, ferroelectric RAM, HTC IR sensors, high-brightness liquid-crystal display LCD back-light unit, laser scanning unit for Samsung laser printer; prototype inkjet print-head by MEMS process, piezoelectric flat panel speakers for flat panel display and piezoelectric microphone, and optical properties of MBE - MOCVD grown III-V, II-IV compound multi-layers semiconductors.

* Soft skills: MS Office, WinSPC Statistical Process Control, JMP Design of Experiments (DOE), FEMA, FabMaster, Acrobat, Origin, Sigmaplot. Language: Korean (Native), Japanese (1 year).

WORK EXPERIENCE

KoMiCo Technologies, Austin, Texas, 3/2008-current

Process Engineer, (Facilities Engineer, 8 months)

* Established SOPs for semiconductor tool cleaning by wet etching & coating process.

* Maintained wet stations & class 10 clean room, troubleshooting wet stations & plasma spray, carry out the scheduled maintenance, and manage inventory of PM parts.

* Managed hazardous materials and experienced in maintained Automatic Waste Neutralization system for wastewater discharge permit from the City of Round Rock, Texas. Implementing team member for ISO. Certificate: Hazardous Waste Management and Shipping for Environmental Professionals.

TeraVicta Technologies, Austin, Texas, 6/2006-7/2007

Manufacturing Process Engineer (Sr. Thin Film Engineer)

Engineering for thin film sputtering deposition and associated RF MEMS switches manufacturing.

* Experienced in day-to-day MEMs fabrication processes in high volume manufacturing environment, with an emphasis on multi layer metal thin film deposition in process flow.

* Developed to improve qualification procedures of thin film deposition tools ? MRC 603 & Denton.

* Improved a metal deposition process through DOE which caused run-to-run variation of closing voltage issue.

* Increased front end yield by improvement of metal-to-metal or metal-to-ceramic adhesion.

Solectron (Areotek), Dell Computer (Spherion), Austin, Texas, 12/2003-6/2006

Temporary Positions (contract) Functional Tech, In-Circuit Test Technician, Troubleshoots / debugs at multiple system levels. ICT testing & troubleshooting PCB boards using HP 3070 & Agilent 3070 ICT tester. Soldering, handling computer parts, and hardware debug after SMT PCB assemblies.

Career gaps: New immigrant to US on 3/2003-12/2003.

Wooyoung Inc., Seoul, Korea, 2/2002-2/2003

R&D Lead (Flat Panel Display and Thin Films), Wooyoung is a major LCD back-light unit manufacturer.

* Directed technical lead of 15+ researchers and day-to-day R&D laboratory operation of LCD back-light and plat panel display research and development projects.

* Managed corporate patent estate and R&D projects of high brightness LCD back light units for LCD-TV, prototype next-generation piezoelectric inkjet print-head, and co-organized technology transfer teams of electrophotographic laser scanning unit for Samsung laser printer.

Ion Techno. Ltd., Seoul, Korea, 10/2000-1/2002

Senior Development Engineer, Ion Techno is a spin-off technology startup from the national laboratory.

* Directed product development via metal thin film onto polymer PVDF film by ion beam assisted deposition (IBAD) for piezoelectric, pyroelectric sensor and actuator.

* Designed novel functional piezoelectric devices from national lab spin-off technology. Made one patent submission on piezo-microphone and flat panel speaker.

Korea Institute of Science and Technology (KIST), Seoul, Korea, 9/1987-2/2001

Principal Scientist, KIST Applied Physics Laboratory is the major national laboratory of Korea.

* Conducted device or material development projects of government and industry funding for IR sensor, superconducting device, ferroelectric RAM memory, flat speaker, and flat panel display by achieving thin film epitaxy processes of wide-band gap oxide, semiconductors, and superconductor materials.

* Increased government research grant by designing and constructing in-house MOCVD, spending $400,000 for parts instead of purchasing commercial $1 million machine.

* Operated and involved either alone or jointly in obtaining multi-million dollars in Korean government grants. Managed R&D projects in preparation of research proposals & research reports.

* Researched deposition and characterization of multi-layer oxide thin films of oxides (PZT, BST, Al2O3, and Titanium dioxide TiO2), ferroelectrics, dielectric, superconductors and novel artificial materials.

Emory University, Atlanta, Georgia, Research Associate, 9/1985 - 9/1987

* Experimented on Raman and time-resolved photoluminescence spectroscopy of MBE or MOCVD grown III-V, II-IV compound semiconductor hetero-structures.

EDUCATION

Ph.D., Condensed Matter Physics, University of Georgia, Athens, Georgia

PUBLICATIONS AND PATENTS

* Authored and co-authored 71 peer-reviewed publications and articles.

* Filed 4 Korean patent applications in thin films process methods and devices.

Sang.S.Yom.List.of.Publications.&.patents is viewable at: http://docs.google.com/Doc?id=dc77jnrj_75qcfst6

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