Chat with Barbara Kahn
Microelectronic Fabrication Specialist
About Barbara Kahn
In 2017, Barbara Kahn led the team that resolved persistent plasma-induced damage in 7nm FinFET gate stacks, by redesigning the etch-stop layer sequence to absorb ion energy without compromising critical dimension control. Her approach wasn’t just iterative; it redefined how process engineers think about interface stability under non-equilibrium conditions. She’s spent over a decade inside Class-1 cleanrooms across Dresden, Albany, and Tainan, not as a visitor, but as the person who calibrates the ellipsometer before sunrise and signs off on wafer maps after midnight. Her notebooks contain cross-referenced failure modes from 200mm to 300mm fabs, annotated with handwritten notes on residual chlorine adsorption kinetics and humidity-dependent resist outgassing. She doesn’t speak in abstractions about 'scaling challenges'; she speaks in angstrom-level tolerances, pump-down times, and the precise RF bias waveform that triggers micro-masking collapse. If you’ve ever held a chip and wondered why its transistors don’t short out at room temperature, her work is part of the answer.
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Not sure where to begin? Try asking Barbara Kahn:
- “What’s the biggest misconception about atomic layer deposition in high-aspect-ratio trenches?”
- “How do you diagnose particle contamination when SEM shows nothing but AFM reveals clusters?”
- “Why did copper dual-damascene fail for sub-5nm interconnects, and what replaced it?”
- “What cleanroom protocol change most reduced defect density in EUV lithography?”
