Engineer Quality Assurance
Resume:
TUAN Q HO
Vancouver, WA *****
Cell: (360) 314 - 5168
E-mail: *******@*******.***
SUMMARY OF QUALIFICATIONS
Process Engineering career with progressive experiences in competitive high volume
semiconductor industrial manufacturing.
Core competencies:
Quality Assurance Technical data analysis
Training & mentoring team Cost reduction
Yield improvement Productivity improvement
EDUCATION
California State University, Long Beach Long Beach, CA
Bachelor of Science in Electrical Engineering 1990
• Emphasis in Digital Computer and Analog.
• GPA: 3.3/4.0
PROFESSIONAL EXPERIENCE
SEH-America Vancouver, WA
Senior CZ Process Engineer September 2005 – June 2009
• Responsibilities for all process improvement, yield improvement,
productivity improvement, cost reduction in 200mm CZ crystal growing.
• Implement SPC system into crystal growing and quality inspection to
track and improve the process yield and productivity. Successfully
improved productivity by 15% and yield by 7%.
• Help team with generating data reports using Business Object software.
• Developing small data extraction tools using excel macros and/or VB to
help team extracting data more efficiency.
Wafer Tech, LLC. Camas, WA
Process Engineer February 2000 – September 2005
• Primary responsibilities involve continuous process improvements, yield improvements,
cost reduction, throughput improvement, tool uptime improvement, preventing and
troubleshooting, new process/tool transfer and qualification, cross-qualification of
diffusion/implant equipments, writing and editing specifications and recipes. Revised and
updated manufacturing operating instructions.
• Review daily activities (CpK, SPC, tool availability, throughput), excursion events,
wafer/fab yield, scrap, and follow up with the corrective/preventive actions.
• Participating in teams aimed at solving engineering related problems, and defect
reduction.
• Process owner for Varian Medium Current Ion Implant, Varian High Energy Ion Implant,
Doped poly, Amorphous poly, Poly, HTO, RTA/RTP processes, and related metrology
tools.
• Work with counterpart equipment engineer to review and update equipment PM
procedure to improve particle performance, equipment uptime, wafer throughput.
• Qualify new source (chemical, spare parts, consumable parts) for cost reduction and
back up source.
• Applied statistical process control (SPC), FMEA to yield improvement, troubleshooting
activities.
• Knowledge of all machine operations, troubleshooting in diffusion/implant area: Kokusai
Vertical Furnaces, AMAT RTP, AMAT HT Poly, Varian EHP500 Medium Current and
VIIsion High Energy Implanters, AMAT High Current Implanters, Tencor Surfscan,
Ellipsometers, Prometrix, ThermalWave TP500, SEMVision.
• Training other engineers/technicians, operators on new tools and/or new transferred
processes.
• Work with others towards a team/company goal.
• Interfacing with vendors, customer (internal/external) to resolve the equipment/process
issues, and to meet customer requirements.
Patent and Trademark Office (PTO) Arlington, VA
Patent Examiner January 1999 – January 2000
• Examine patent applications in technology field, especially in networking and
communication area.
• Research for related field of invention.
• Apply patent laws, case laws and references/prior arts in preparing for issuing or rejecting
applications.
• Prepare examiner’s amendment, examiner’s advisor as needed to speed up the process.
• Work with other examiners, attorneys and inventors toward completion of the application.
Rockwell Systems Newport Beach, CA
Process/Equipment Engineer March 1991 to December 1998
• Responsibilities for all sustaining activities in thin film/diffusion area.
Successfully implemented SPC in the Fab and achieved CpK of well
above 1.33 on all critical nodes of the process.
• Applied statistical process control (SPC) and design of experiments
(DOE) to yield improvement activities and engineering trials.
• Review and follow up PM procedure, equipment up time, wafer
throughput, and cost reduction.
• Experience with installing and qualifying new tools: BTI vertical
furnaces, AMAT RTP, Elipsometer FE-IV. Successfully
converted 5" to 8" Fab (Diffusion Area).
• Extensive experience with thin film deposition technologies.
Working with both vertical furnaces (BTI) and horizontal
furnaces (Thermco).
• Participating in teams aimed at solving engineering related
problems.
• Work with others towards a team goal. Able to accomplish
tasks on time.
Rockwell Systems Newport Beach, CA
Process Technician October 1987 to March 1991
• Responsible for all the sustaining engineering activities in diffusion (thin film) area.
Primary technician for all metrology tools in thin film area: calibrate, and maintain the
equipment uptime.
• Worked with engineers as a team to bring up new equipments and new processes.
• Troubleshooting and finding the assignable causes when problem arise.
• Familiarized with RS1, PROMIS, APEX, SEMY, Lotus Notes, and Windows applications.
COMPUTER SKILLS
Window
Microsoft Office
WORK LOCATION PREERENCES
Willing to relocate/ travel
Contact this candidate