Description

In this master thesis role, you will dive into the optimization of PECVD thin films, conducting experiments, analyzing data, and characterizing materials to enhance CMOS device performance while collaborating with engineers and researchers.

Requirements

• •Enrollment in a Master’s program in Materials Science, Electrical Engineering, Physics, Nanotechnology, Chemical Engineering, or related field
• •Foundational understanding of thin film deposition processes, semiconductor device fabrication, and basic CMOS technology
• •Experience with laboratory work in semiconductor or cleanroom environment
• •Proficiency in data analysis tools such as Minitab and MATLAB
• •Strong analytical mindset, hands-on problem-solving abilities, and attention to detail
• •Good communication skills in English (spoken and written) and proactive independent working style

Tasks

• •Understand the role of PECVD in depositing dielectric layers like SiO₂ and Si₃N₄ for CMOS devices
• •Investigate the impact of PECVD process parameters on film stoichiometry
• •Identify correlations between input parameters and output metrics such as film thickness and refractive index
• •Develop systematic experiments using Design of Experiments techniques
• •Perform thin film deposition runs on advanced equipment at ams-OSRAM's fabrication facilities
• •Characterize thin films using ellipsometry to assess thickness and refractive index
• •Evaluate stoichiometric composition with Scanning Electron Microscopy and Energy Dispersive X-ray Spectroscopy
• •Assess process stability and uniformity within and between wafers
• •Analyze experimental data using statistical tools and regression models
• •Propose optimized PECVD recipes to meet CMOS specification targets
• •Derive Fit and Response models for tuning process parameters
• •Document all process steps, experimental results, and analysis findings
• •Present progress in regular meetings with supervising engineers and researchers
• •Compile a final thesis report with conclusions, visualized data, and future recommendations

Tools & Technologies