SHARMILA PGS PANNEER SELVAM

• xpert in Transfer Molding Process for Reel-to-Reel (RTR) Assembly Line.
• Lead and Drive Overall Mid-End RTR Assembly LOH and Customer Complaints.
• Lead IATF, VDA and other Customer Audits in RTR Mold.
• Improvement on Mold Cleaning Effectiveness by Elimination of Incomplete Fill on CON-34 conditioning shots in RTR Mold.
• Standardization of Effective Mold Cleaning Procedure in Overall RTR Mold for Improvement of MI Reject.
• Qualification of Future Hover rubber sheet as 2nd source of supply for RTR Mold Cleaning (For Quality Improvement and Cost Savings).
• Qualification of Azonic Cu Brush as 2nd source of supply in RTR (Cost Savings).
• Reduction in Disturb Wire (CIP) and Chip Die quality issues for RTR assembly:

1. Implementation of LF guide alignment jig to eliminate manual alignment during installation.

2. Improvement on design of M-guide with fixed side-guide at mold input track.

3. Improvement on preheater track design to increase tolerance between active unit and LF guide at input track.

Awards:

Business Innovation Challenge (BIC) - Improvement on Vision Yield Loss due to MI Reject at RTR Line (Champion)

• Optimization of process parameters in Transfer Molding for all QuadFlat No Leads (QFN) packages
• Optimization of process parameters in Compression Molding for Wafer Level Chip-Scale (WLCSP) X4DFN wafers
• Expert in overall WLCSP assembly process (Compression Front and Back-Molding, Front and Back Grinding and Package Saw knowledge)
• Reduction in Disturbed Wire and Wire Sweep issues in overall QFN process
• Reduction in Exposed Silicon in X4DFN packages due to uneven trench caused by Si-etching process at wafer fab
• Reduction on Broken/Crack Wafer in X4DFN wafers at assembly process
• Reduction in Resin Bleed by feasibility studies on incoming frames with taping quality and pre-taping machine parameters optimization
• Evaluation on qualification of paper leadframe to replace production frames during Mold Cleaning procedure at Molding.
• Feasibility studies on increase in no of KNR shots in Mold Cleaning procedure for improvement in plunger performance in ASM Ideal Mold
• Implementation of dual pusher leadframe in ASM Ideal Mold machines for Disturb Wire Improvement at backend
• Feasibility studies on implementation of Teflon-coated cavity at ASM Orcas Compression Molding to reduce risk of salvaging minor crack wafers at Front Mold process
• Expert in both auto and manual sawing at both DISCO wafer sawing and package sawing process machine (WLCSP X4DFN packages)
• In-charge of other sub-processes in backend including buffing and marking process.

Awards:

Technical Excellence Award - Submission of technical paper on Modification of Top Chase Vacuum Tube to Eliminate Incomplete Fill on Wafer at ASM ORCAS Compression Molding System.

• Identified opportunities for continuous improvement, implementing best practices to optimize team performance and deliverables.
• Coordinated engineering team for projects in commercial and industrial development.
• Conducted rigorous quality assurance tests, identifying areas of improvement for product optimization.
• Accomplishment of Rotational Projects:

1. Qualification of ZH series blade to replace the NBC-ZH blades for Die Sales - For Wafer Cutting Quality Improvement

2. Optimization of Vision light intensity to reduce the over-rejection of Final Test Vision in X4DFN package- For MTBA Improvement

• Reformulation of CCP for Vegan Consumers, Spray Drying of Reformulated CCP