Photoresist baking lamp

Sat, 20 Jun 2026 05:22:04 +0800

On the lithography floor, you learn fast that a soft bake drifting half a degree can push critical dimension control right out of spec. These bake lamps aren’t just heaters—they’re the anchors that hold the process steady. We built them for the zero-tolerance reality of semiconductor fabrication, where every wafer has to see the exact same thermal history, run after run. What matters, technically We hit wafer-level thermal uniformity within ±0.1°C across the bake surface, using short-wave infrared with quartz-halogen emitters that respond quickly and repeatably. Temperature repeatability from run to run stays within ±0.2°C, so soft bake and hard bake profiles don’t wander. The system runs clean in Class 1–100 environments, generating zero particles to keep defect counts down. Energy use is measured and controlled, not eyeballed, and the emitters hold output stability for 5,000+ hours. Why it works in the fab You need the bake to match the resist, not the other way around. Tight uniformity cuts edge-bead and thickness variation, which helps CD uniformity and yield. Cleanroom-ready construction and sealed optics keep contamination out, while the reliability is tuned for 24/7 operation and fewer surprises. The payoff: fewer rework lots, faster qualifications, and a process you can actually keep inside spec. What to keep in mind Installation means matching the lamp footprint and connector interface to your track bake station, then verifying thermal coupling to the stage during qualification. The lamp hits spec when the chamber reflector stays clean and the bake chamber exhaust is kept at the designed flow—otherwise, uniformity drifts. Plan the qualification run to confirm profile alignment with your resist stack and substrate stack before you ramp volume.

Photoresist on Intense Infrared Heating Lamps

Photoresist baking lamp