Deep UV (DUV) resist bake lamp

Fri, 05 Jun 2026 01:45:42 +0800

On the lithography floor, you know the drill: a bake that drifts even half a degree throws CD control off spec. You run DUV photoresist through soft bake and hard bake to drive out solvent and lock in the profile. If the thermal budget is off, lines blow wide, edge roughness climbs, and the whole lot is suddenly in the red. The DUV resist bake lamp is there to take that variability off the table. What actually matters under the hood We built this lamp to dump short-wave energy where DUV resist actually absorbs it, with quartz parts that keep the spectrum stable. Across the chuck, wafer-level uniformity holds within ±0.1°C, so every wafer in the batch sees the same temperature history. Cleanroom behavior isn’t an afterthought—Class 1–100 spaces see no particle bump, and the hot zone stays contained so outgassing can’t contaminate the resist. The output repeats over thousands of bake cycles, and the thermal mass is managed so you don’t get drift when the line runs 24/7. Why it holds up in DUV lithography Yield comes down to process windows you can actually hold. Tighter thermal control cuts CD excursions and protects overlay margins, which means less scrap and fewer reworks. Line-end shortening stays consistent, and edge roughness drops because the bake profile repeats lot after lot. Efficient coupling and fast stabilization keep energy use in check, and the reliability profile keeps you on schedule without surprise downtime. The payoff is fewer fights with parameters and output you can predict. What you need to do on install Matching the lamp footprint and interface to your coater/bake track is step one. We provide the connector specs and alignment data, but you still have to verify the oven cavity geometry. Expect a quick burn-in and thermal mapping to lock the profile to your resist stack. And one practical note: the lamp has to be paired with a cleanroom-rated exhaust path to handle trace volatiles during high-temperature bakes.

Deep on Warm IR Halogen Heating

Deep UV (DUV) resist bake lamp