High temp furnace for fab lab

Mon, 01 Jun 2026 20:46:51 +0800

On the floor, a 1°C swing during photoresist bake isn’t a “line-width shift.” It’s a lot scrapped. Advanced nodes live and die on fractions of a degree, and the furnace has to respect that, period. What matters, technically We built the high-temperature furnace around ±0.1°C setpoint-to-wafer uniformity, and it holds across the entire bake profile—soft bake through hard bake. The hot zone is quartz-free, low-outgassing, and uses sealed airflow so particle generation stays at zero under Class 1–100 cleanroom constraints. Run-to-run temperature repeatability is locked to ±0.05°C, so your lithography stack stays in spec lot after lot, shift after shift. The control loop is tuned to settle fast with minimal overshoot—protecting thin photoresist and the layers underneath during ramp transitions. Why this works in practice You need production-grade thermal discipline, but in a bench-scale tool that can keep up with pilot lots. This furnace stabilizes the bake steps that drive CD variation and pinhole defects, especially when thermal non-uniformity shows up as “mystery drift.” You end up with higher first-pass yield, fewer reworks, and cycle times you can plan around. Energy use is handled through tight insulation and duty-cycle logic—lower operating cost without giving up temperature stability. Here’s what you need to know Installation means a dedicated power circuit and a verified exhaust tie-in. The furnace draws serious current on ramp, and it only holds tight control when the supply is clean and stable. Expect a quick site integration window to match recipe parameters to your resist stack. Once commissioned, it runs with minimal intervention—validate the thermal mapping quarterly, and keep the filter schedule where it belongs.

Temp on The Infrared Heating Hub

High temp furnace for fab lab