Wafer burn in test heating lamp

Thu, 04 Jun 2026 00:45:38 +0800

On the burn-in line, temperature stability isn’t a preference—it’s a hard constraint. A drift of a few degrees will wreck parametric yield, and photoresist bake nonuniformity will eat your tight lithography budget and turn good wafers into scrap. We designed our wafer burn-in heating lamps to keep that thermal field honest, shift after shift. The core is straightforward. Short-wave halogen elements inside quartz envelopes deliver fast, direct radiant heat with tight spectral control, matching the absorption profile of silicon and the photoresist stacks you run. Integrated NIR sensors close the loop in real time, holding wafer-level uniformity to ±0.1°C across the active zone. The lamp body is built for Class 1–100 cleanrooms—low-outgassing materials and a laminar airflow shroud that keeps particle generation at zero during steady state. Output repeatability is better than 0.2% cycle to cycle, so your soft bake and hard bake profiles stay consistent across lots and across tools. That’s why this lamp fits burn-in and wafer-level testing. You get faster ramp rates without overshoot, stable soak temperatures even under high-density loading, and thermal profiles that transfer between machines without retuning. Energy use drops because the heat is delivered directly, and unplanned downtime falls because the system is built for 24/7 duty. Replaceable modules mean you minimize tool idle time when service is needed. Installation is tool-specific: plan for precise optical alignment, cleanroom-rated mounting, and exhaust capture that keeps the local heat load under control. The lamp performs best when target distance and emissivity stay constant. If you change wafer stacks or fixtures, you’ll need a quick recalibration of the setpoint map to keep uniformity within spec.

Test on Immediate Infrared Heating Solutions

Wafer burn in test heating lamp