Out on the fab floor, a wet-processed carrier coming out of the scrubber can’t drag moisture into the litho bay. Residual films and water marks don’t just cut yield — they force rework and squeeze the thermal budget on the next bake. The dryer has to deliver repeatable dryness without adding particles or stressing the carrier thermally. What matters under the hood We built the Wafer carrier cleaning dryer around short-wave infrared (NIR) heating. NIR couples straight into water and thin films, so you dry without overheating the quartz carrier. That gives you a sub-millimeter uniform thermal field across the load plane, translating to ±0.1°C steady-state uniformity in the critical zone. Repeatability is baked into the lamp array and the closed-loop control: every cycle hits the same temperature profile, so your soft bake and hard bake conditions don’t drift because of drying variability. The system runs in Class 1–100 cleanrooms, is specified for zero particle generation during operation, and the exhaust path is validated to prevent re-entrainment. Why this matters in production In production, this dryer pulls the uncertainty out of the handoff from cleaning to lithography. Photoresist is sensitive to thermal history, so even small hot spots can show up as linewidth excursions; our uniform field keeps the carrier inside the thermal envelope. You end up with shorter drying cycles, lower gas and energy draw, and fewer carrier rejects because of water marks. The module is built for 24-hour reliability — predictable thermal loading and a solid lamp package — so you keep fab flow moving with fewer unplanned interventions. What to keep in mind NIR drying is line-of-sight, so carrier geometry and stack spacing matter. We specify fixture spacing and orientation to keep uniformity; stray from those spacings and you’ll get shadows. Installation needs cleanroom-rated electrical and exhaust, and the lamp module has a finite lifetime — schedule replacements into preventive maintenance to keep particle performance and temperature repeatability where they need to be.