High temp furnace for fab lab

Tue, 02 Jun 2026 04:11:47 +0800

On the fab floor, a 2°C swing during photoresist bake is enough to shift a linewidth by nanometers. A single particle during drying can kill a lot. That’s why this high-temperature furnace exists: to take variability out of the thermal steps. We built it for the moments when temperature isn’t just a parameter—it is the process. What matters under the hood The furnace keeps wafer-level thermal uniformity at ±0.1°C across the batch, so critical film properties stay repeatable lot-to-lot. Cleanroom Class 1–100 compatibility comes from sealed chamber interfaces and low-outgassing materials, keeping particle generation at zero during ramp and soak. Photoresist soft bake and hard bake profiles run with the kind of temperature stability that keeps critical dimension control tight. For packaging curing, you get rapid, controlled ramps without thermal overshoot—no cracked die attach, no delaminated stacks. Energy use is managed with refractory insulation and optimized heater duty cycles, cutting cost per wafer without sacrificing precision. Where it earns its keep Run it after cleaning, during wafer drying, where residual moisture will otherwise invite bridges and defects. The chamber pulls the substrate to a stable setpoint fast and holds it. In lithography, photoresist baking becomes predictable—consistent thickness, predictable edge bead removal behavior. For packaging, the furnace cures encapsulants and underfills with a repeatable thermal budget that supports void reduction and adhesion targets. Twenty-four-hour reliability comes from modular heaters and predictive thermal monitoring, so unplanned downtime drops and cycle time stays predictable. Here’s what to plan for The furnace needs dedicated exhaust and coolant lines matched to the site’s cleanroom pressure differential. The footprint and utility plan won’t look like a standard oven. And while the chamber is built for low particle operation, maximum throughput still depends on batch size and recipe constraints. We size the system around your specific mix of wafers, substrates, and curing dwell times.

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High temp furnace for fab lab