Dryer) on Direct Infrared Heating Supply

SRD (Spin Rinse Dryer) infrared lamp

Fri, 03 Jul 2026 15:22:37 +0800

On the fab floor, the SRD cycle is where yield can get away from you in a heartbeat. A lamp that’s even slightly off starts leaving watermarks, spiking particle counts, and pushing good material into scrap. We built our SRD infrared lamp to kill that variability where it lives. What matters under the hood It runs short-wave infrared emitters with quartz optics, dumping energy straight into the rinse and dry phase. Thermal uniformity across the chamber stays within ±0.1°C, so every wafer gets the same thermal budget. Setpoint changes land in under 200 ms, giving you tight control without overshoot. It’s cleanroom-compatible from Class 1 to Class 100. The housing is sealed, and the emitter path is laid out so it won’t shed particles. Output stays stable for 5,000+ hours, with intensity drift under 5%. Why it holds up in SRD In SRD, you’re chasing consistent drying without stressing photoresist or damaging patterns. The lamp’s fast ramp keeps the temperature profile inside spec, so resist integrity stays intact after soft bake and hard bake traces. You end up with repeatable dry-down, lower defect density, and fewer rework lots. Power use drops because the emitters hit setpoint quickly and hold it cleanly, so you don’t dump waste heat into the process chamber. Uptime improves too—the driver is built for 24/7 operation, and the lamp assembly is engineered for long life. The details that make it work The lamp fits standard SRD footprints, but integration has to match your tool geometry, airflow, and the emissivity of the chamber walls. Double-check the mounting interface and the thermal load on your chiller loop; if cooling doesn’t line up, uniformity drifts. Plan on a short burn-in and qualification run to lock the recipe to your wafer stack and line conditions.

Wafer carrier cleaning dryer

Mon, 01 Jun 2026 20:49:23 +0800

Out on the fab floor, you watch a wafer carrier come out of the cleaning bath, only to watch the drying step fight you. You know the drill—residual moisture, thermal stress, and airborne particles that punch straight through to yield and photoresist defects. Thermal uniformity isn’t something you get to gamble on. What actually matters under the hood This wafer carrier cleaning dryer holds ±0.1°C thermal uniformity across the chamber, so you don’t get hot and cold spots that wreck photoresist stability during soft bake and hard bake. It’s built for cleanroom Class 1–100, with laminar airflow and HEPA filtration that keeps particle counts below 0.3 μm at 99.99% efficiency. Zero particle generation isn’t a slogan—it’s a spec, and it’s verified with in-line metrology. Thermal profile repeatability stays within ±0.2% cycle-to-cycle, which is what keeps the process stable run after run, across thousands of wafers. Why this matters in lithography and photoresist processing Thermal budget is a hard boundary in lithography. This dryer keeps the photoresist layer intact, prevents edge bead, and removes TTOP variation that shows up when temperature gradients are left unchecked. The payoff is fewer rework lots, tighter critical dimension control, and line-width performance you can bank on. Energy use drops thanks to a high-efficiency recirculation heater and smart duty cycling—without slowing down ramp-up. What you need to plan for Plan on a dedicated 208 V, 3-phase power feed, plus a cleanroom exhaust tie-in to hold negative pressure. Installation is one shift, but you’ll need to run full thermal mapping across the carrier footprint during qualification. Set aside a 4-hour validation window to lock the process recipe and confirm uniformity across every slot.