Shirlin Chew

Experience

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  Siltronic AG

  Aug 2009 - Nov 2010

  Process Engineer

  • Responsible for the chemical etching and cleaning processes of 200 mm wafer production.• Conducted investigations and process troubleshooting activities on all quality-related matters using 8D methodologies.• Responsible for the Statistical Process Control (SPC) on assigned process and applied appropriate corrective actions.• Performed process and equipment set-up support for chemical etching cleaning machines. • Validated the processes on the safety of the operators through Job Hazard Analysis.• Gained knowledge on the Chemical Vapour Deposition (CVD) process as cross training program. • Conducted MRB (Material Review Board) for the disposition of non-conformance or quality affected products.• Core team member of Auditor Team for major supplier. Show less

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  Micron Technology

  Nov 2010 - Jan 2015

  Process Engineer

  • Experienced in the process & technical functionality of fully automated wet etching equipment.• Ability to work under dynamic environment to achieve project targets and production deadlines.• Ability to establish positive channel of communication with direct superior, improvement team members and higher management level.• Led a team of shift engineers to implement process control and monitoring system for wet etching process to ensure wafers met quality standards.• Led a team from the equipment and production functions to investigate the root cause of problems using 8D methodology or fishbone diagram. (Main shareholder & Leader of DMAIC team for process & quality improvement implementation) • Responsible in conducting training for operators and shift engineers on the processes and use of machines.• Used Design of Experiment (DOE) methodologies to experiment and interpret data for process optimization. • Strategized cost saving and yield improvement project. The team included members from all levels in production, process, and equipment to achieve significant increase in production and cost saving.• Responsible in transferring, evaluating best practices and optimizing the chemical etching processes from wafer fabs in other countries.• Conducted FMEA for the process to ensure wafers were manufactured met quality standard (Right First Time).• Provided technical expertise and recommendation to the production team to meet production targets and Work, Health and Safety requirements. • Worked with Engineering, Production, Procurement, and vendor to support Safety, Quality, Cost reduction and Improvement projects. Show less

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  BD

  Jan 2015 - now

  Senior Process Development Engineer

  • Key member of manufacturing line OEE improvement projects, to development and implementation of line improvement solutions, as well as process capabilities optimization. • Supported organizational development in process engineering for new product development/ line retrofitting, pilot production and capacity expansion for BD worldwide business and manufacturing operations. • Provided engineering & process improvement inputs on Design for Automated Assembly (DFAA) during product development and contributed in product FMEA.• Identified and performed process technology assessment/ studies for new automated or retrofit process with proof of concept (POC) designs. • Participated in machine design review/ risk assessment (RA) and provide input to improve on process capability, product quality & machine safety. • Execution of pilot run of POC (Proof of Concept) design stations with established or new specification and acceptance criteria.• Executed process development activities utilizing Six-Sigma Methodology, DMAIC, and establish process specification.• Design and conduct Design of Experiments (DOE).• Developed and conduct Measurement System Analysis (MSA) /GR&R for inspection devices.• Prepared test procedures, work instruction and verification or validation protocol, as well as provided training.• Proficient in doing data and capability analysis using statistical tool e.g. Minitab.• Conducted internal audit on projects for documents like Design Drawing, FAT protocol & report, Control Plan, FMEA, procedures, GR&R and process traceability.• Supported on the calibration of in-line machine gauges (e.g. pressure gauge, flowmeter, thermocouple & etc.) and inspection & measurement jig (e.g. Go-no-go jig) by collaborating with certified external calibrator.• Projects management with Microsoft Project and Smartsheet. • Simplified documentation for Process Development & launch e-Document Go Live as part of paperless initiative. Show less