“There's this whole set of tooling and fabrication lines that don't really go above 400°C (752°F), and they're built for that. And tantalum on silicon, when you use the old method, was right on the border of that,”

Maciej Olszewski · said date not stated · reported 2026-08-18

Olszewski discussed the fabrication challenges and temperature limits associated with traditional tantalum deposition on silicon.