CHRIS HAN

• Installed and ramped up Epitaxy tools to support TSMC 4nm production at TSMC Fab21.
• Performed ASM Epitaxy tool onsite installation, modification and maintenance of systems and equipment.
• Examined faulty equipment, interpreted reports and analyzed customer complaints to trouble shooting equipment malfunction.
• Led efforts in maintaining accurate BKM documentation pertaining to equipment history records, warranty claims, and service reports.

• Performed ASM Epitaxy tool installations assembly, troubleshooting, and corrective maintenance for ASM Epitaxy (EPI) tools during N5 &N3 ramp-up phase at TSMC Fab18.

to meet aggressive wafer production timelines and ensure manufacturing readiness.
• Collaborated closely with process engineers to identify root causes of defects and implement effective solutions, improving tool stability and process yield.
•Drafted and implemented Best Known Methods (BKM) and standard operating procedures (SOPs) to proactively prevent future tool downtime and enhance equipment reliability

• Supported New Product Introduction (NPI) aligned with BU objectives. • Conducted second-source material evaluation for BOM (direct and indirect materials). • Coordinated with manufacturing sites and project leaders to ensure smooth development and transfer of new products.
• Covering second source material evaluation (Lead frame/ substrate/ glue/compound) and product/Fab site change project which saves 15% of the material cost of mass production
• Reviewed risk assessment result to maximally mitigate potential yield loss causes & defects

• Developed ion exchange resin market in the petrochemical industry (clients: NPC, FPC, Da-Lien, CCP Group). • Acted as primary contact for customer technical support and complaint handling. • Delivered responsive solutions and maintained long-term customer relationships.
• Assisted and conducted to reach historically high sales figures with 20% increase in comparison to 2019.
• Generated additional sales opportunities with upselling and cross-selling techniques.
• Enhanced client satisfaction by addressing concerns promptly and providing exceptional service.

• IR /X-ray/ spectrometer instruments operation and maintenance
• Maintained a high level of accuracy in Stainless-steel component elements evaluation test results by following strict quality control procedures.
• Maintained documentation on tests performed in lab.