Infrared lamp socket for wafer tool

Wed, 17 Jun 2026 11:09:47 +0800

On the wafer floor, photoresist bake profiles aren’t optional—they’re the line between making yield and making scrap. A 2°C excursion in soft bake or hard bake will move critical dimensions and bring on scumming. We built our infrared lamp sockets for exactly this reality: to lock in thermal stability where wafer tools need it most. What matters, technically, is the same as what matters on the line. We pair NIR emitters—short-wave and medium-wave—with quartz components to deliver fast, directional heating and long life. Target wafer-level thermal uniformity is ±0.1°C across the exposure field, and shift-to-shift repeatability stays within ±0.5°C. Output stability is specified under 2% drift over 5,000 hours. The package is built for 24/7 fab duty, with connector and mounting options that match common wafer tool footprints. Here is why it holds up in lithography. The socket keeps photoresist bake inside the thermal budget without overshoot. Cleanroom Class 1–100 compatibility comes from low-outgassing materials and a particle-controlled design, so particle counts don’t take over the defect pareto. NIR heats the resist directly, so you waste less heat on fixtures and trim energy use. Fewer lamp changes mean less unplanned downtime, and consistent bake profiles tighten CD control and line-edge roughness. A few practical notes. Match the emitter spectrum to your resist sensitivity, and align the lamp focal plane to the wafer plane. Misalignment shows up as across-wafer bias. There is a brief thermal soak during warm-up—work it into the lot start sequence. Verify your tool’s voltage and interlock logic match the socket rating; wiring mismatches will shorten lamp life and create safety issues.

Tool on Warm IR Heater Supply Co.

Infrared lamp socket for wafer tool