Wafer moisture removal lamp

Thu, 25 Jun 2026 04:44:19 +0800

Out on the lithography floor, a whisper of surface moisture can throw off a soft bake. You lose control of photoresist thickness and CDs before you even hit the exposure tool. Hot plates can struggle to knock that film off fast enough without heating the wafer backside, and that’s where you start seeing pattern distortion. We built a wafer moisture removal lamp to cut through that problem cleanly—front-side-only drying, fast, and without chewing up your thermal budget. The unit runs short-wave halogen elements inside a quartz envelope, tuned to dump energy quickly and with control. Across the exposed zone, you get ±0.1°C uniformity, and setpoint repeatability stays tight—within a few degrees. That kind of stability means your soft bake and hard bake profiles don’t drift from lot to lot. It lives in Class 1–100 cleanrooms without pushing particle counts, and the low-mass design keeps thermal lag down when you swap recipes. In day-to-day use, wafers come into the coater drier, you see fewer dewetting defects, and photoresist profiles tighten up. Cycle time drops because moisture removal happens in seconds instead of minutes, and power draw stays low compared to full-wafer bake modules. Reliability is the kind you need on the line: units have run 5,000+ hours with under 5% output drop, keeping 24/7 operation steady without unplanned downtime. Installation is straightforward, but alignment is where you earn your keep. The lamp has to illuminate only the front surface, and you need the beam angle matched to the wafer size so you don’t overheat the edge. Expect a short commissioning run to dial in dwell time and intensity so the lamp works with the bake step, not against it. The payoff is simple: photoresist behaves predictably, CD control stays repeatable, and you stop scrapping lots because moisture sneaked in at the wrong moment.

Removal on Leading IR Heating Supplier

Wafer moisture removal lamp