Lithography soft bake heating element

Wed, 01 Jul 2026 06:41:25 +0800

On the lithography floor, soft bake temperature isn’t a preference—it’s a hard boundary. You need repeatable solvent removal, edge to edge, across every wafer. A few degrees of drift, a hot spot, and your CD control falls apart. We built the heating element to live inside that boundary, and to stay there, day after day. What matters, technically The element is short-wave infrared (NIR), quartz-halogen. That gives you fast thermal response and tight control at the bake station. Target temperature holds at ±0.1°C uniformity across the wafer plane, so the thermal budget lands the same on every shot. Cleanroom compatibility is built in: Class 1–100 compliant materials, zero particle generation during operation, and a surface finish that keeps defects down. Reliability comes down to uptime. These units run 24/7 in multi-node lithography stacks with no unplanned downtime, and life is validated beyond 5,000 hours with minimal output drift. Why it works where it counts Soft bake sets photoresist stress, viscosity, and adhesion. With this element, solvent evaporation is consistent, edge-bead issues drop off, and overlay yield improves on advanced nodes. The fast ramp cuts cycle time at the coat/bake cell, and stable temperature means less scrap and rework. Energy use comes down because the thermal mass is low and the control loop is tight. Fewer replacements also mean fewer spares and less maintenance touch time—especially in high-mix fabs. What you need to know It’s a direct, validated equivalent to international semiconductor equipment standards, but integration isn’t plug-and-play. Voltage, connector interface, mounting tolerances, and airflow around the bake plate have to line up—misalignment or poor cooling will eat your uniformity. Work with our process team on the exact chamber footprint and thermal profile before you swap it in, and run a short qualification lot to lock the recipe.

Deep UV (DUV) resist bake lamp

Mon, 01 Jun 2026 17:44:52 +0800

On the lithography floor, a 0.2°C drift in resist bake temperature isn’t a “small deviation.” It’s yield walking out the door. Soft bake sets the solvent profile. Hard bake locks the image. Both need heat delivery that repeats, wafer after wafer. When the bake profile wobbles, CD control slips, scum hangs around, and rinse residues show up after development. Our DUV resist bake lamp leans on near-infrared heating to build a stable thermal field with sub-millimeter uniformity. You get wafer-level temperature control that stays inside tight thermal budgets, so every soft bake and hard bake lands the same as the last run. Infrared energy couples straight into the resist, which cuts lag and overshoot. Repeatability isn’t a slogan—it shows up as setpoint after setpoint, cycle after cycle. The short version? It stays consistent because the heat goes where it’s needed, when it’s needed. The lamp fits cleanroom reality from Class 1 to Class 100. It generates low particles and stays out of the airstream. Zero particle generation keeps the resist stack clean, and the unit runs 24/7 without forcing unplanned stops. You end up with tighter critical dimensions, fewer rework lots, and predictable bake performance on DUV photoresist. Energy use drops because heat is delivered on-demand, not wasted heating up chamber mass. Here’s what matters on install: pay attention to orientation and airflow. The lamp performs best when the optical path stays clean and the thermal mass around the target is controlled. Matching the lamp to your existing bake station footprint may need minor mechanical tweaks. Plan a short commissioning run to lock in the recipe, then the process stays stable.

Bake on Patio Infrared Heating Comfort

Lithography soft bake heating element

Deep UV (DUV) resist bake lamp