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Process Engineer

San Jose, California, United States
October 27, 2016

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**** ****** **., *** ****, CA ***** 408-***-****

Process Engineering

Seasoned Process Engineer especially in thin film industry. Worked on vacuum, thermal, CVD, PVD and chemical processes in various stages of company growth from start up to volume manufacturing. Experience in Process Development, NPI, Manufacturing engineering and Operations with strong Statistical Process Control, and Continuous Improvement background.

Skills & Expertise

Thin Film – CVD – PVD – Solar Device – Process Development – NPI Management – Process Engineering – Manufacturing Engineering – Operations Management– Project Management – JMP – SPC – Yield Improvement – Magnetic Recording – Supplier Quality Control – ISO documentation

Professional Experience

Nuvosun (subsidiary of Dow Solar), Milpitas, CA

Director of Process Engineering 2009 to 9/2016

Process development of copper indium gallium selenide (CIGS) solar device in area of Se reactor and CdS processes. Coordinated various aspects of process, equipment development, and material supplies.

Developed roll-to-roll Se reaction process, starting from equipment setting up to 15% efficiency process.

Created Se reactor process monitoring method required for process control. Patent applied and published.

Managed development teams, meeting annual efficiency goals.

Set guidelines for tool design, establishing critical factors for next generation tool manufacturing.

Apple Inc., Cupertino, CA

Manager of Operations Engineering of iPhone and Touch Division 2007 to 2009

New product introduction, process engineering, and quality of touch hardware of iPhone and other touch products. Managed process, quality, and test engineers in Asia.

Launched 7 touch programs, managing from new product introduction, supplier process set up, and ramp.

Reduced dppm of touch modules > 50% and improved yield by 7% in 1 year by working with touch module component suppliers’ processes, quality, and reliability tests.

Introduced FMEA and established supplier audit program for volume manufacturing.

Represented process engineering and quality for product design, giving feedback for next generation product.

Miasole, Santa Clara, CA

Director of Manufacturing and Process Engineering 2006 to 2007

Established manufacturing department, including process engineering, in CIGS thin-film solar company during start-up stage. Developed production start and ramp up plan, process flow, material flow, capacity analysis, manufacturing process instruction, and training plan.

Selected and hired production and process engineering staff for production, starting pilot-level production.

Hired IT staff and managed development of product tracking system, material inventory, and quality data base, data collection, and data analysis systems, using data system for engineering and manufacturing.

MMC Technology, San Jose, CA

Director of Manufacturing Engineering 1997 to 2006

Oversaw process, equipment, and IT in hard disk manufacturing company. Managed data system development team for engineering analysis and production use, including control charts, event log, and disk data analysis.

Launched 20 manufacturing lines (sputter tools) in 2 manufacturing sites.

Built department from 2 engineers to 90 engineers and technicians over 8 years, meeting business growth.

Helped build start-up company to $300M company as founding member of 2 manufacturing facilities.

Improved yield to 90+% from 65% at beginning for 10+ programs from 1 Gb / disk to 100 Gb / disk programs.

Developed wash chemistry, reducing process steps and saving cost.

Implemented various process changes, such as ion beam carbon process, low-force tape burnish process, Zdol-Ma lube process and Nano diamond texture process, meeting higher memory capacity product requirement.

Maintained all process steps stable, ensuring product met specifications, all CpK > 1.5

Additional Relevant Experience

Komag, San Jose, CA

Operations Manager of Sputter / Senior Manager of Lubrication TB and Inspection

Managed 190 production, process engineering, and maintenance group employees.

Facilitated Zanker-Miller “WORKING” program for operators, training and certified all operators.

Established departmental document system for ISO 9001 certification.

Participated in company’s capacity expansion project, designing building layout, purchasing and setting up tools, equipment, and starting up production of new facility.

Chaired sputter process improvement team and concurrent engineering team meetings that included process, research and development (R&D), maintenance, and automation engineers.

Improved organizational effectiveness through employee involvement, improving productivity and quality (self-directed work team) and establishing shop floor teams for greater employee participation by introducing team concept on production floor.

Reduced headcount by 30% over 3 years, managing attrition while improving yield.

Developed skills matrix for more systematic and consistent operator promotions.


Master of Science (MS), Chemical Engineering, San Jose State University, San Jose, CA

Bachelor of Science (BS), Chemical Engineering, Chonnam National University, Korea

Professional Development


Front-line Leadership and Working Program Facilitator Certification, Zenger Miller

Self-Directed Work Team, George Truell, AMA

Quality Productivity and Competitive Position, Dr. E. Demming

Facilitative Leadership, Interaction Associate

Managing in a Multi-Cultural Environment, LinguaTech

Facilitator of STOP and Lockout Tagout, Komag

Constructive Negotiation, Barnes and Conti Association


Magnetic Disk Drive, Santa Clara University

Magnetic Thin Films: Physics and Applications; Operations and Maintenance of Vacuum Pumping Systems; Fundamentals of Vacuum Technology; and Basics of Radio Frequency Technology, American Vacuum Society

Project Management, Project Management Mentors

Design of Experiment, Dr. Steve Ungamach

Statistical Process Control, Dr. Wheeler, SPC Incorporated

FTIR Operation Training, Nicollet

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