CMP Process Engineer Semiconductor Wafer Fabrication

CMP Process Engineer Semiconductor Wafer Fabrication

Location: Ahmedabad, Gujarat, India

Work Mode: Onsite

Experience: 6 -15 Years

Role Overview

We are seeking an experienced CMP (Chemical Mechanical Planarization) Process Engineer to develop, optimize, qualify, and sustain CMP manufacturing processes within an advanced semiconductor wafer fabrication facility. The role is responsible for achieving excellent wafer planarity, defect reduction, process uniformity, and high manufacturing yield across multiple semiconductor technology platforms.

The successful candidate will work closely with Process Integration, Equipment Engineering, Thin Film, Lithography, Etch, Yield Engineering, Metrology, Manufacturing, and Quality teams to optimize CMP processes supporting technology development, production ramp, and high-volume manufacturing (HVM).

Candidates should possess strong expertise in CMP process development, slurry chemistry, consumables optimization, wafer defect reduction, process characterization, Statistical Process Control (SPC), and semiconductor manufacturing.

Role Objectives

• Develop robust CMP processes for advanced semiconductor manufacturing.
• Achieve excellent wafer planarity and surface quality.
• Improve manufacturing yield through process optimization.
• Minimize wafer defects, erosion, dishing, and scratches.
• Support technology transfer and production ramp.
• Deliver stable, repeatable, and scalable manufacturing processes.

Key Responsibilities

• Develop, optimize, and sustain CMP processes for semiconductor wafer fabrication.
• Establish process windows for dielectric, metal, STI, tungsten, and copper CMP applications.
• Optimize slurry selection, polishing pads, conditioners, and consumables to improve process performance.
• Monitor wafer planarity, removal rates, uniformity, and defectivity.
• Perform Design of Experiments (DOE) to optimize polishing parameters.
• Drive continuous reduction of defects including scratches, particles, dishing, erosion, and residue.
• Analyze inline metrology, defect inspection, thickness measurements, and electrical yield data.
• Support process integration activities across Lithography, Thin Film, Etch, Diffusion, and Implant modules.
• Collaborate with Equipment Engineering to improve tool uptime, process repeatability, and equipment capability.
• Qualify new CMP consumables, slurries, polishing pads, conditioners, and cleaning chemistries.
• Support installation, qualification, and acceptance of new CMP equipment.
• Implement Statistical Process Control (SPC) methodologies to ensure process stability.
• Perform root cause analysis for process excursions and yield loss.
• Support Advanced Process Control (APC) implementation.
• Develop engineering specifications, operating procedures, and process documentation.
• Participate in technology transfer and New Product Introduction (NPI) activities.
• Improve cycle time, throughput, process capability, and manufacturing productivity.
• Ensure compliance with semiconductor quality standards and EHS requirements.
• Drive continuous improvement initiatives using Lean and Six Sigma methodologies.

Key Responsibilities During Fab Startup

• Support installation and qualification of CMP tools.
• Develop baseline polishing recipes for production.
• Establish process qualification methodology.
• Define process control limits and specifications.
• Qualify CMP consumables and process materials.
• Support engineering builds and pilot production.
• Develop manufacturing documentation and work instructions.
• Train production and manufacturing personnel.
• Support process capability improvement before production ramp.
• Assist in achieving high-volume manufacturing readiness.

Required Qualifications

• Bachelor's or Master's degree in Chemical Engineering, Materials Science, Electronics Engineering, Electrical Engineering, Physics, Semiconductor Engineering, or related discipline.
• 6 15 years of experience in semiconductor wafer fabrication.
• Strong experience in Chemical Mechanical Planarization (CMP).
• Hands-on experience in high-volume semiconductor manufacturing.
• Proven expertise in process optimization and yield improvement.
• Experience supporting technology transfer and process qualification.
• Excellent analytical, troubleshooting, and communication skills.

Technical Skills Semiconductor Manufacturing

• Semiconductor Wafer Fabrication
• Front-End Manufacturing (FEOL)
• CMOS Process Technology
• High Volume Manufacturing (HVM)
• Semiconductor Process Development
• Technology Transfer
• Process Qualification
• New Product Introduction (NPI)

CMP Process Expertise

• Chemical Mechanical Planarization (CMP)
• Oxide CMP
• STI CMP
• Tungsten CMP
• Copper CMP
• Barrier CMP
• ILD Planarization
• Dielectric CMP
• Metal CMP
• Removal Rate Optimization
• Within-Wafer Uniformity (WIW)
• Wafer-to-Wafer Uniformity (WTW)
• Global Planarity
• Surface Finish Optimization

CMP Consumables

• CMP Slurries
• Polishing Pads
• Pad Conditioning
• Conditioning Disks
• Carrier Films
• Retaining Rings
• Cleaning Chemistry
• Brush Cleaning
• Post-CMP Cleaning
• Chemical Selection
• Consumable Qualification

CMP Equipment

Experience With Leading CMP Platforms Such As

• Applied Materials Reflexion Series
• Applied Materials Mirra Mesa
• Ebara CMP Systems
• Lapmaster Systems
• Logitech CMP Systems
• SpeedFam Equipment
• TEL Cleaning Systems

Process Engineering

• Design of Experiments (DOE)
• Statistical Process Control (SPC)
• Process Capability (Cp/Cpk)
• Root Cause Analysis
• FMEA
• Process Window Development
• Yield Improvement
• Process Characterization
• Defect Reduction
• Continuous Improvement

Metrology

• Film Thickness Measurement
• Surface Profilometry
• Optical Inspection
• Defect Inspection
• Particle Measurement
• Wafer Topography
• Surface Roughness Analysis
• CD Metrology
• Thickness Uniformity Measurement

Data Analysis

• JMP
• Python
• MATLAB
• SQL
• Microsoft Excel
• Statistical Analysis
• Data Visualization

Cross Functional Collaboration

The CMP Process Engineer Will Work Closely With

• Process Integration Engineering
• Thin Film Process Engineering
• Lithography Engineering
• Etch Engineering
• Diffusion Engineering
• Implant Engineering
• Equipment Engineering
• Yield Engineering
• Manufacturing Engineering
• Metrology Engineering
• Quality Engineering
• Automation Engineering
• Facilities Engineering
• Failure Analysis
• Product Engineering

Preferred Industry Experience

Experience In Semiconductor Manufacturing Facilities Producing

• Logic Devices
• Memory Devices
• Foundry Products
• Analog ICs
• Power Semiconductors
• Mixed Signal Devices
• RF Technologies

Candidates with experience in greenfield semiconductor fab startups, advanced technology nodes, or high-volume manufacturing environments are highly preferred.

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