Keeping Your Class 100 Cleanroom Actually Clean When you’re working in a Class 100 environment, heating is a bit of a nightmare. It’s not...

On the lithography line, we don’t treat photoresist bake as “just heat.” It’s dimensional control, pure and simple. A 1°C drift in soft bake or hard...

Out on the line, the thin film solar cell stack doesn’t forgive thermal drift. A soft bake that’s even a degree off can leave photoresist residues,...