Celine Pei Yin JAW

Reported to the Director of Engineering. Led a team of 39 members, including technicians, associate engineers, and engineers. Managed 12 direct reports, which included 6 Chief Engineers in the area of PECVD, Plasma Etch, PVD Thermal

Responsibilities and Achievements:

• Provided technical leadership to sustain engineering activities, achieving goals in quality, output, yield, costs, and control.
• Spearheaded value engineering project for Singapore site, leading a cross-functional team from finance, material planning, procurement, and engineering, resulting in annual savings of over $1 million.
• Led process reengineering projects, eliminating redundant steps, resulting in $500K cost improvements and an 8x increase in unit per hour (UPH) efficiency
• Improved yield from 1.7% to 0.3% across multiple product lines, achieving annual cost savings of over $500K.
• Directed quality improvement projects, characterizing device profiles and optimizing processes to achieve 100% 1.67 CpK performance across multiple processes.
• Led predictive maintenance for 130 tools by setting up a sub fab monitoring system and fault detection system. Improve the man hours saving of 3600 hrs, reducing R&M cost 20%, $800K p.a.
• Achieved over 50% R&M cost savings ($1.2 million) by strategically shifting from OEM to OPM, extending parts life, and performing component-level troubleshooting.
• Collaborated with HR on training and qualification programs, achieving 100% manufacturing support on core skill sets and competencies
• Led a culture of continuous improvement and risk management in the company and department with establishing mechanisms for daily communication cell meeting for feedback, monitoring, and corrective
  actions, Implemented a new preventive maintenance scheduling system (E-PM) that improve efficiency by 50% of total daily pass downtime.
• Recognized for outstanding leadership and collaboration with excellence rating in 2020, and 2023.
• Identified as successor and proxy for engineering director and sit in management team board.
• Awarded long-term retention bonuses in 2021 and 2022

Reported to director of engineering. Led a team of 26 members from technicians, associate engineers, engineers. Managed 8 direct reports including 2 Chief Engineers. Promoted to Senior Manager in March 2019

Responsibilities and Achievement

• Value Engineering Projects: Strategized and formulated the plans with the engineers. successfully launched 11 projects focused on resist/chemical/gas reduction and process redevelopment, resulting in $1.28M annual savings.
• Yield and Process Improvements: process optimization and re-engineering resulting in 1% yield gain.
• Efficiency Enhancement: Removed non-value-added steps, improving cycle time by 20%, and added an O2 flash step to the trench etch, eliminating resist residue issues.
• Capex Avoidance: Avoided $3.2M in Capex from ASML stepper to Micralign through process redevelopment and extended chamber MTBC from 75 to 100 hours, avoiding $1M in Capex.
• Quality Enhancements: Led the team to changed final etched top CD spec in new SIOX DICD (Mask CD), achieving CpK > 1.67, and reduced baseline particles by 50%, from 200 to 100.

Led a team of 18 members from technicians, associate engineers and engineers. Direct reports of 6 engineers including 2 Chief Engineers. Managed area of underfill over mold (OM), micro-bead blasting (MBB), laser lift off (LLO), photo electrical etching (PEC), cleaning processes. Promoted to senior manager in Mar 2018

Responsibilities and achievement

• Value Engineering & Cost Savings: Orchestrated cost-saving initiatives, yielding annual savings exceeding $1.6M. Implemented Cu polishing, devised strategies to reduce Neon gas usage, 40% reduction in chemical usage. Streamlined recipes and processes, reducing run count and optimizing material weight, achieving substantial savings and meeting all quality standards.
• Process Optimization & Yield Enhancement: Directed process improvement efforts, resulting in a notable reduction of MBB rework rate from 4% to 2% and line yield loss from 0.02% to 0.01%. Pioneered attribute SPC implementation, averting process excursions and enhancing control. Successfully established SPC for six critical parameters.
• Leadership in Breakthrough Results: Led Saber process engineering in achieving significant breakthroughs including resolving long-standing yield issues microcrack yield loss from 1% to 0.3% and implementing productivity projects resulting in 8 headcount savings.
• Absorbed the skills of a technical contributor and integration engineers (due to attrition) showcasing multifaceted expertise to redesign product and process to resolve customer complaints and quality issues, achieving a significant reduction in occurrence from 20% to zero channel crack.
• Quality Improvement: Successfully eliminated abnormal underfill defects, resulting in a 3% yield gain and addressing critical issues. Reduced tile crack/microcrack occurrences, leading to a 1% line yield gain and significant cost savings.
• Won Worldwide Quality Improvement Award held in Greece.
  
  

Handling worldwide process control projects on top of exiting role as process owners.

• Process owner for underfill over mold, micro bead blasting, wet chemical cleaning, thermal treatment and measurement process.
• Promoted from lead engineer to senior engineer during off cycle.

• Process owner for wet chemical cleaning, measurement process.
• Led back end assembly cost down initiatives.

Process engineer for in charge to the transition of process from NPI to manufacturing.

Shift process engineer handling both wet and dry chemical etching: poly, oxide, metal etch.