Wafer burn in test heating lamp

Mon, 22 Jun 2026 23:38:30 +0800

On the fab floor, temperature excursions during wafer burn-in and photoresist bake don’t come with a warning label. They show up as line-width drift, weak adhesion, and yield loss that only shows up later, at electrical test. We built our NIR heating lamps to stop that drift before it even gets started. What matters under the hood The system leans on short-wave NIR sources with a fast-response quartz envelope, dumping heat into the wafer quickly and without contact. Expect ±0.1°C steady-state uniformity across the process zone and repeatability within 0.2°C shot-to-shot. Soft bake and hard bake profiles stay locked under tight thermal budget control, so solvents clear out cleanly and crosslink without reticulation. We support cleanroom Class 1–100 with a low-particle architecture: the lamp housing is sealed, exhaust is isolated, and hot surfaces are shielded so particle counts stay flat. Why it holds up in real work In burn-in, the lamp nails fast temperature ramps that cut soak time without stressing interconnect. On the litho track, that same energy density translates into consistent soft bake and hard bake, which stabilizes CD and cuts scum. You get 24/7 reliability with predictable maintenance windows, and you save energy because the source heats the target, not the chamber. Process windows open up, scrap drops, and cycle time tightens. Here are the practical details NIR lamp output is line-of-sight, so you have to match wafer orientation and stage velocity to the beam profile. Expect a short commissioning run to lock in the calibration. The lamp works with standard SEMI interfaces, but fitting it into legacy tracks can mean reworking the thermal zone and updating recipe parameters. Plan your cleanroom airflow routing, and make sure your exhaust can handle peak purge demand during ramp.

Test on Ultra-Performance IR Heating

Wafer burn in test heating lamp