Infrared lamp socket for wafer tool

Tue, 30 Jun 2026 05:24:40 +0800

On the lithography floor, a soft bake that drifts even half a degree throws critical dimensions off and can scrap an entire lot. Thermal budget is not something you negotiate with. We built this infrared lamp socket for wafer tools to keep process temperature exactly where it needs to be—on target, on time, on every wafer. What matters under the hood Pair the socket with short-wave or medium-wave NIR emitters and you get fast, clean heat. We’re talking wafer-level uniformity of ±0.1°C across the bake zone, which is what keeps soft bake and hard bake profiles repeatable. Output stays stable over 5,000+ hours, with intensity drift under 5%. The quartz interface and high-purity ceramic body were designed for Class 1–100 cleanrooms, so particle counts don’t spike and stay out of the process chamber. Electrically, it supports 200–240 VAC input, with tool-matched connectors and integrated EMI shielding. The thermal loop stays quiet and controllable. Why this works in real wafer tools In wafer tools, heat has to hit fast, then hold steady. This socket slews to setpoint quickly and holds without overshoot, so photoresist profiles stay in spec from the first wafer to the last. You get fewer excursions, higher yields, and predictable maintenance intervals. NIR couples efficiently, so more of the power becomes heat at the wafer instead of wasted energy in the frame. You can run multi-thousand-wafer campaigns without unplanned downtime from lamp-socket thermal drift. Here are the practical details Mounting tolerance is tight. Align the emitter, socket, and reflector within 0.2 mm, or uniformity will take a hit. At peak power, the socket body can run well above 600°C, so keep clearance from nearby polymers and cables. Use the specified thermal interface and cleanroom-compatible fasteners, and run a baseline uniformity map after install. The socket works with most tool controllers, but you may need a calibration offset to match your pyrometer readings.

Socket on Global Infrared Heating Systems

Infrared lamp socket for wafer tool