DNS (Screen) wafer dryer lamp

Wed, 24 Jun 2026 00:42:53 +0800

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 bake will move your critical dimensions, and a non-uniform profile is a straight path to edge-bead issues and yield loss. The DNS screen wafer dryer lamp was built with that reality in mind—thermal control engineered to meet semiconductor process discipline. What matters, technically The lamp uses short-wave infrared tuned to how photoresist responds thermally, so you get a fast ramp and tight steady-state regulation. Across the chuck, wafer-level uniformity stays within ±0.1°C, which means every site gets the same thermal budget. Cleanroom compatibility isn’t an add-on—the assembly is designed for Class 1–100 environments, with materials and seals that keep particle generation essentially flat. Repeatability comes from closed-loop control and stable lamp output over 5,000+ hours, with intensity drift under 5%. Why it fits the floor In wafer drying and photoresist bake, you need temperature you can trust, quick stabilization, and zero contamination. This lamp delivers by cutting thermal settling time, tightening within-lot uniformity, and keeping the chamber clean. That means fewer excursions to chase and more lots running clean. The payoff is higher process yield, less scrap, and cycle time you can plan around. You also get lower energy use from efficient heating and minimal overshoot, plus long lamp life that reduces spares and keeps maintenance interruptions down. Things to keep straight on install and operation Installation comes down to precise optical alignment and a clean power profile—voltage and current have to match the controller spec, or temperature stability will slip. The lamp performs best when chamber airflow and exhaust are balanced to its cooling plan. There’s a slight trade-off to watch: if the system is undersized for the thermal load, warm-up time can nudge against temperature uniformity. So size the bake module around the real wafer batch size and the substrate stack you’re running.

DNS on The Warm IR Heater Shop

DNS (Screen) wafer dryer lamp