W2W Bonding Senior Research Scientist

10 hours ago


Singapore A*STAR RESEARCH ENTITIES Full time

Research scientists working on the wafer-to-wafer (W2W) bonding process are primarily responsible for developing, optimizing, and integrating advanced hybrid bonding techniques for semiconductor applications like 2.5D and 3D IC packaging.Job Description: Research and Development Process Innovation: Leading the design and development of innovative W2W bonding techniques for applications in high-performance computing, AI, and memory. Material Science: Investigating and selecting appropriate bonding materials (e.g., low-temperature organic/inorganic materials, Cu/oxide, Cu/polymer) to ensure strong and stable interfaces. Parameter Optimization: Optimizing critical bonding parameters such as temperature, pressure, and surface preparation methods (e.g., CMP, plasma activation, cleaning) to achieve high bonding strength, yield, and alignment accuracy. Problem Solving: Addressing challenges related to process integration, such as wafer warpage, thermal budget constraints, contamination, and the reduction of thermo-mechanical stress. Characterization and Analysis Process Evaluation: Coordinating and executing comprehensive evaluations of new processes, materials, and equipment. Reliability Testing: Conducting electrical, thermal, and mechanical reliability characterization of bonded structures (e.g., using SEM, SAM, AFM) to validate performance and ensure manufacturing guidelines are met. Data Analysis: Utilizing metrology tools and data analysis to assess surface topography, void defects, and bond quality, and driving quality improvements based on these findings. Collaboration and Strategy Project Leadership: Conceiving, planning, and leading high-impact projects, often involving external partners and stakeholders. Technology Road mapping: Collaborating with senior staff and process integrators to define and address future technology roadmaps and business challenges in advanced packaging. Intellectual Property: Generating detailed reports and contributing to the creation of new intellectual property (IPs) and knowledge areas to strengthen the company;s portfolio. Mentorship: Inspiring and mentoring scientists, engineers and technicians in advanced semiconductor technologies. Job Requirements: PhD degree in Materials Science, Mechanical Engineering, Physics, Chemistry, Electronics, or Electrical Engineering. Experience in W2W bonding process, with a strong track record in advanced packaging technologies is added advantage. In essence, a research scientist in W2W bonding works at the forefront of semiconductor packaging, pushing the boundaries of integration density and performance for next-generation electronic devices.



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