On the lithography floor, you know the drill: a half-degree drift in bake temperature and your photoresist profile starts to walk. Linewidth control,...

On the lithography floor, you know how it goes. A soft bake or hard bake profile that drifts even half a degree can pull critical dimensions by...

You know the scene on the wafer floor: the strip chamber goes idle because the support heater drifted 0.8°C off setpoint. Photoresist residues hang...