CMP Equipment Engineer

Job description

Onsemi is seeking a CMP Engineer with 5+ years of semiconductor experience to support and optimize CMP processes in a 300mm high-volume manufacturing environment. This role focuses on process sustainment, yield improvement, and defect reduction, with increasing ownership of continuous improvement projects. Responsibilities: Process Sustainment & Control: - Support the daily operation of CMP processes - Monitor key parameters: Removal rate (RR), WIWNU (within-wafer non-uniformity) , Defectivity (scratches, particles) - Maintain process stability within defined control limits, respond to process excursions, and out-of-control conditions Yield & Defect Improvement: - Analyze yield loss and defect trends using SPC and fab systems. Identify top contributors: Slurry variation, Pad wear/conditioning, Cleaning effectiveness, Develop and implement corrective actions Equipment & Process Support: - Support tool matching, execute recipe changes, assist in troubleshooting tool-related issues, and Tool qualifications, Tool installations, Process characterization Continuous Improvement (CIP Execution): - Execute assigned CIPs tied to KPIs: Yield improvement, Defect reduction, Cost optimization, E...