SiC wafer processing heater lamp

Fri, 19 Jun 2026 01:38:15 +0800

Out on the line, SiC wafers don’t play nice with standard hotplates. Soft bake, hard bake, and post-apply cure all need heat that hits fast and stays uniform, without pushing the wafer past its thermal budget. When the temperature uniformity slips, you get edge bead, profile drift, and yield hits that don’t show up until metrology hours later. What matters, technically We run a SiC wafer processing heater lamp that uses short-wave infrared to put the heat right where it counts—on the resist and the wafer surface—without warming carriers or chamber walls. Response is sub-second, and wafer-level uniformity holds within ±0.1°C across the active area. In practice, that keeps critical dimension control consistent and gets you repeatable profile targets after lithography. The lamp assembly sits comfortably in Class 1–100 cleanrooms. It generates zero particles by design, and the sealed optical path keeps contamination out. Output stays stable over 5,000+ hours with less than 5% drop, so you can run 24/7 without unplanned downtime. Why this works for SiC SiC processing is unforgiving: high thermal conductivity, thin films, and overlay budgets that don’t forgive mistakes. Infrared heating shortens the bake and cure cycle because the energy transfer is direct, not conductive. That cuts the wait between coat and expose, and you avoid the energy draw of bulky hotplate preheating. For soft bake, the lamp flashes off solvent quickly while holding surface temperature under control, so you don’t get skinning. For hard bake and cure, it crosslinks the resist without overheating the layers underneath. The payoff is faster throughput, tighter process windows, and fewer scrapped lots. What you need to know up front Installation comes down to getting the optical standoff and beam profile right for your wafer geometry. The lamp is tuned for 150 mm and 200 mm SiC wafers; if you’re on 300 mm lines, the optics and zone control have to be re-matched to the larger area. Expect a short commissioning run to dial in power density and dwell time for your specific resist stack. Once you set it, the process is repeatable—but yes, the initial setup is part of the work.

Solid state battery processing heater

Thu, 18 Jun 2026 00:36:17 +0800

On the line, solid-state battery stacks need thermal control every bit as tight as the wafer tolerances that seed them. Miss the mark on soft bake by even a little, or get a cold spot across the substrate, and lithography yields take a hit while interface layers pick up defects. We built this solid-state battery processing heater to keep every step inside the thermal budget, period. What matters, technically We lean on short-wave infrared with fast-response quartz emitters to drive heat straight into the substrate. Across the active zone, wafer-level uniformity holds at ±0.1°C, and shot-to-shot repeatability stays under ±0.5°C. The system runs in Class 1–100 cleanrooms without adding particles, and we verify that in-situ. Photoresist profiles stay consistent from soft bake through hard bake, and cure windows land with millisecond control—no drift from long ramps. Why it sticks in solid-state battery fab In this process, wafer drying, photoresist pre-bake, and interface curing run back-to-back. Infrared shaves cycle time by killing soak delays, and closed-loop control keeps critical dimensions inside spec. You end up with tighter CD control, fewer rework lots, and lower energy use because the energy goes into the film and substrate, not the chamber. Process windows open up, and yield becomes predictable. The things you want to know up front Integration is straightforward, but set the emitter-to-substrate gap precisely—uniformity lives or dies there. Expect a short commissioning run to dial in recipe ramps and dwell times for your specific stack. The emitters are rated for 5,000+ hours with minimal output drift, and we schedule preventive calibration every 2,000 hours to keep temperature repeatability on spec.

Processing on Warm IR Heater Warehouse

SiC wafer processing heater lamp

Solid state battery processing heater