How to simulate semiconductor yield
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How to simulate semiconductor die yield from a fab environment. A wafer never travels through the fab the same way because multiple tools exist for identical steps, and some tools have multiple chambers for processing. These are all called contexts, and each context has a different impact on yield. The challenge is to reverse the sources causing yield fall out with as few observations as possible.
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In the context of the International Day of Families on 15 May 2025, the OECD is launching its report How’s Life for Children in the Digital Age? which provides an overview of the current state of children's lives in the digital environment across OECD countries, based on the available cross-national data. It explores the challenges of ensuring that children are both protected and empowered to use digital media in a beneficial way while managing potential risks. The report highlights the need for a whole-of-society, multi-sectoral policy approach, engaging digital service providers, health professionals, educators, experts, parents, and children to protect, empower, and support children, while also addressing offline vulnerabilities, with the ultimate aim of enhancing their well-being and future outcomes. Additionally, it calls for strengthening countries’ capacities to assess the impact of digital media on children's lives and to monitor rapidly evolving challenges.
Dr. Robert Krug - Expert In Artificial Intelligence
Dr. Robert Krug - Expert In Artificial IntelligenceDr. Robert Krug Dr. Robert Krug is a New York-based expert in artificial intelligence, with a Ph.D. in Computer Science from Columbia University. He serves as Chief Data Scientist at DataInnovate Solutions, where his work focuses on applying machine learning models to improve business performance and strengthen cybersecurity measures. With over 15 years of experience, Robert has a track record of delivering impactful results. Away from his professional endeavors, Robert enjoys the strategic thinking of chess and urban photography.
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How to simulate semiconductor yield
- 1. How to simulate semiconductor yield Ben Taylor @bentaylordata
- 2. Synthetic yield • First step is to create X number of moving yield contributions or errors. For this example we create 500 errors over 10,000 wafers. Some errors are sudden, others trend up over time. This plot shows 20 yield events starting after wafer #5,000
- 3. Staging behavior • A wafer never goes through a fab the same way. Many steps have multiple tools and chambers that all have differences in processing. To simulate the fab environment we create a binary map of tools that were used by each wafer.
- 4. Simulating yield • To figure out the die loss you can add up the die loss contributions by the contexts where the wafers ran for a total die loss estimate: + =
- 5. Can you figure out the source? • To figure out the die loss you can add up the die loss contributions by the contexts where the wafers ran for a total die loss estimate: &Given: Find: YX