Photoresist stripping support heater

Thu, 02 Jul 2026 08:05:37 +0800

Out on the fab floor, the strip chamber sits idle until it hits temperature. If the support heater starts drifting, you get residue left behind—and the next coat doesn’t stick the way it should. You need thermal control that holds the setpoint, bake after bake, lot after lot. What actually matters under the hood We built the photoresist stripping support heater around short-wave infrared (SWIR) quartz emitters. They respond fast and let you keep a tight handle on the thermal budget. The unit lands ±0.1°C wafer-level uniformity, so your soft bake and hard bake profiles stay in spec across the whole cassette. It runs in cleanroom Class 1–100, and we verify zero particle generation with in-situ monitoring. In the field, it keeps going—24/7 reliability with units hitting 5,000+ hours and under 5% output drift. Specs cover 208–240 V input, a compact footprint that works for retrofits, and standard quartz-to-chamber interfaces. Why this matters where the process lives Photoresist stripping is fundamentally thermal. When the heater stabilizes quickly, you cut idle time between strips and you stop scrapping wafers from under-bake or over-bake. Tight uniformity keeps critical dimension control consistent after lithography, and it gives you repeatable strip endpoints—so you use less chemistry. The payoff is predictable cycle time, fewer rework lots, and real energy savings from shorter soak windows. What you need to watch on install Make sure the chamber flange matches and that emitter alignment is spot-on relative to the wafer path. SWIR heats fast, but that hot zone needs proper shielding so you don’t cook polymer seals. When you switch recipes, plan a short ramp-up calibration, and confirm cleanroom compatibility against your particle counting method. We send interface drawings up front to keep integration risk off the table.

Durable photoresist bake heater

Wed, 03 Jun 2026 12:09:07 +0800

On the litho floor, a soft bake that drifts even 0.2°C is enough to shove critical dimension bias and puff up line-edge roughness—and suddenly you’re scrapping a whole lot. The bake isn’t just a warm-up. It’s the thermal budget that locks in the photoresist profile before exposure. That’s the reality we built our photoresist bake heaters for: temperature uniformity and repeatability that matter down to the nanometer, not just the degrees. What actually matters, technically We hold wafer-level uniformity within ±0.1°C across the bake surface, so soft bake and hard bake profiles stay stable, lot after lot. The design is cleanroom-ready for Class 1–100, using low-outgassing materials and a surface finish that keeps particle generation as close to zero as you can get. Ramp control is repeatable, so the same recipe gives you the same resist behavior every time. We built it for 24/7 fab life—components rated for high-cycle thermal stress, and a hot zone that survives repeated wet cleans without losing calibration. Why it holds up in production In high-volume fabs, that kind of precision cuts excursions caused by bake variance, lowers scrap, and shortens qualification cycles. The process window opens up because the resist sees the same thermal history consistently—CD control tightens, and you spend less time reworking. Energy use stays in check thanks to efficient heating and tight thermal containment, and service intervals stretch because the hot zone is built to live in the process, not just on paper. What you need to plan for These heaters drop straight into existing bake tracks, but the mounting and thermal interface have to match the tool’s tolerances. Expect a tight alignment window during install to hit the spec on uniformity, and plan regular calibration checks if the chamber sees frequent solvent exposure. Matched to the right process, you get stable bakes with minimal unplanned downtime.

Photoresist on Professional IR Heating Solutions

Photoresist stripping support heater

Durable photoresist bake heater