Uniformity photoresist bake lamp

Tue, 23 Jun 2026 12:42:48 +0800

On the lithography floor, the bake step isn’t a pause—it’s a control knob. If soft bake or hard bake isn’t uniform, you pay for it in thickness variation, standing waves, and yield hits. We built our photoresist bake lamps to take that variable off the table. The heart of it is thermal control right at the wafer plane. Short-wave and medium-wave halogen elements, paired with quartz optics and engineered reflectors, give you fast, repeatable thermal response. Across the bake surface, we hold wafer-level uniformity within ±0.1°C. And the cleanroom fit? Class 1–100 compatibility, achieved with low-outgassing materials and a particle-aware design that generates zero particles during steady operation. The payoff is photoresist bake temperature you can log, audit, and move cleanly between machines. Semiconductor manufacturing runs on stability. You get repeatability shift after shift, less scrap, and fewer rework lots. Energy use drops because the lamp hits setpoint quickly and holds it without overshoot, so you don’t burn extra thermal budget. In high-volume fabs, that kind of stability keeps the line moving, keeps cost per wafer down, and keeps overlay consistent. One practical note: hitting ±0.1°C uniformity means tight integration with the hotplate controller and the wafer stage. Matching lamp output to the cluster tool’s thermal profile isn’t optional. Expect a short commissioning window to line up setpoints, sensors, and bake recipes. Once calibrated, the system runs 24/7 with no unplanned downtime—but that initial alignment is part of the install.

Bake on Warm IR Heater Supply Co.

Uniformity photoresist bake lamp