Kevin Lee
Pleasanton
Summary
Results-driven professional with extensive experience in process development and control within roll-to-roll web manufacturing lines. Proven expertise in hands-on wet coating techniques, including slot die, screen printing, and ultrasonic spraying, complemented by a strong foundation in metrology setup and yield improvement strategies. Skilled in material cost reduction and statistical problem-solving methodologies, leveraging Six Sigma tools such as Design of Experiments (DOE), Statistical Process Control (SPC), Process Failure Mode and Effects Analysis (PFMEA), and Gage Repeatability and Reproducibility (Gage R&R). Committed to driving operational excellence and enhancing production efficiency through innovative solutions.
Overview
28
28
years of professional experience
1
1
Certification
Work History
Staff Process Engineer
Lyten
San Jose, CA
05.2021 - 08.2025
- Set up and lead slurry mixing and coating process in pilot line for battery electrode
- Improve coating uniformity and alignment in the roll to roll slot die coating process.
Senior Coating Engineer
Advenira
San Jose, CA
11.2016 - 05.2021
- Ultrasonic spray coating of nano-composite solutions on metal, glass and plastic.
- Film characterization: micro hardness, abrasion, adhesion and thickness
Senior Process Engineer
Xicato
San Jose, CA
11.2013 - 04.2016
- Screen printing process development for uniform LED phosphor coating
- Manage process of 10 different products with 2 printers and 2 shift in manufacturing line
Senior Process & Materials Engineer
Nanosolar
San Jose, CA
08.2007 - 04.2013
- Implement and manage roll to roll slot die coating process using epoxy adhesive material
- Analysis and outsourcing of conductive ink and insulating resins
Senior Silicon Solar Cell Device Engineer
Samsung SDI
South Korea
07.1997 - 08.2007
- High efficiency silicon solar cell R&D: developed commercial back contact cell
- Gained expertise with oxidation/diffusion and thin film deposition and metallization
Education
M.S - Physics
Korea University
Seoul, South Korea02.1997
B.S - Physics
Korea University
Seoul, South Korea02.1995
Skills
- Coating technology/ process development
- Develop and manage web coating process using roll to roll slot die in production line
- Coating/printing experience: battery slurry, polymer resins, conductive ink
- Coating optimization for cross/down web uniformity and coating alignment
- Process Engineering in manufacturing line
- Set up SPC process controls and determine process Cpk for key process parameters
- Familiar with quality control tools: Gage R&R, FMEA, DMAIC, cause and effect chart
- In-depth Design of Experiments: knowledge, practical application and know-how
- Excellent problem solving and resolution skills required in fast running environment
Certification
- Samsung Group Six-Sigma Center, South Korea
- Six-Sigma Green Belt, Course work of Black Belt
Timeline
Staff Process Engineer
Lyten
05.2021 - 08.2025
Senior Coating Engineer
Advenira
11.2016 - 05.2021
Senior Process Engineer
Xicato
11.2013 - 04.2016
Senior Process & Materials Engineer
Nanosolar
08.2007 - 04.2013
Senior Silicon Solar Cell Device Engineer
Samsung SDI
07.1997 - 08.2007
B.S - Physics
Korea University
M.S - Physics
Korea University
Key Words
- Roll to roll
- Slurry mixing
- Process development
- SPC
- Slot die coating
- Rheology analysis
- Cost reduction
- DOE
- Spray coating
- Defect analysis
- Gage R&R
- Screen printing
- Viscosity
- Six sigma
- Metrology