http://ir-glass-heat.com/en/tags/moisture/ Recent content in Moisture on Infrared Glass Heating Technology Hugo en-us Tue, 23 Jun 2026 00:06:58 +0800 http://ir-glass-heat.com/en/posts/wafer-moisture-removal-lamp/ Tue, 23 Jun 2026 00:06:58 +0800 http://ir-glass-heat.com/en/posts/wafer-moisture-removal-lamp/ <p><img src="http://ir-glass-heat.com/images/e619a459508a95cd74ea4eae0be40cd1.png" alt="Wafer moisture removal lamp"></p> <p>On the fab floor, moisture left behind after cleaning isn’t just an annoyance. It soaks into the photoresist during soft bake, pushes critical dimensions around, and shows up as yield loss. The wafer moisture removal lamp takes that problem head-on, stripping surface moisture before the lithography stack gets compromised. <strong>What matters under the hood</strong> We built the lamp around short-wave halogen emitters in a quartz envelope. The point is rapid, surface-local heating with minimal thermal mass. You get a fast ramp to setpoint, sub-second response, and wafer-level uniformity within ±0.1°C. The beam profile is tuned to the wafer diameter and scan speed, so the thermal budget stays controlled and the photoresist chemistry stays intact. <a href="https://o-yate.com">Cleanroom</a> compatibility is baked in: Class 1–100 compliant materials, sealed housing, and zero particle generation under continuous operation. <strong>Why it fits the flow</strong> You run wafers through spin-rinse drying and straight into the coater. If you don’t remove moisture right away, leftover water dilutes the photoresist interface. That shows up as edge bead, T-top, and CD shift after exposure and bake. Put the lamp in-line and it evaporates moisture without overheating the substrate, so the bake profile stays what you intended. The result is repeatable soft bake, stable hard bake, and lithography overlay that stays within spec. Reliability comes down to uptime. These units run 24/7 with zero unplanned downtime, and output drift stays under 5% after 5,000 hours. <strong>The practical details</strong> The lamp drops into existing tracks with standard mechanical and electrical interfaces, but alignment tolerance is tight. Check beam centering and make sure scan synchronization matches your coater/track controller. Expect a short warm-up to thermal stability at start-of-day, and keep emitter intensity calibration on a fixed schedule. In high-humidity bays, confirm <a href="https://o-yate.net">local</a> exhaust capture so you don’t get re-condensation right after treatment.</p>