2.5D/3D IC packaging heater

Sun, 28 Jun 2026 05:49:41 +0800

On the line, 2.5D/3D stacks don’t fall apart because the concept is wrong—they fail from thermal drift. Give or take a few degrees across the underfill cure profile and your yield drops right out of the reflow window. That kind of rework burns hours and eats material. We built this 2.5D/3D IC packaging heater to keep the thermal budget honest, cycle after cycle. The heart of it is repeatability, plain and simple. Quartz-halogen short-wave emitters give you fast, controllable response with tight spectral output, and the carbon-fiber-reinforced heater body stays rigid under thermal load. You get wafer-level uniformity of ±0.1°C across the active zone, and setpoint stability holds to the same tolerance through soft bake, hard bake, and adhesive curing. It runs 24/7, with zero particle generation verified in Class 1–100 cleanrooms. Output drift checks are spaced 5,000+ hours apart, and once the recipe is locked, process Cpk stays above 1.67. **It earns a spot on 2.5D/3D packaging lines because it takes temperature off the table as a variable.**Photoresist bake profiles stay within spec, TSV fill and underfill cure hit the target glass transition, and warpage drops because the thermal gradient is controlled. Qualification cycles get shorter, scrap lots get fewer, and energy draw per unit drops thanks to fast ramp-to-soak efficiency. Installation is straightforward, but plan for the interface. Match the heater footprint to your chuck and tooling, and budget 30 minutes for a full thermal calibration after mounting. The heater works with standard 4–28 VDC controllers and SMbus/RS-485 instrumentation; just confirm your chamber gas mix—oxygen-rich atmospheres need the specific emitter window material option. Calibrate the tool, and the process stays in control.

Compact infrared dryer for IC

Sat, 27 Jun 2026 05:01:35 +0800

On the fab floor, a soft bake that drifts by 2°C will shift a photoresist profile. A hard bake that runs hot at the edge can leave scum. A compact infrared dryer for IC isn’t a nice-to-have—it’s a process anchor. We built this unit to hold thermal repeatability in lithography and packaging lines, because in this business, every wafer counts. What matters under the hood We run near-infrared (NIR) emitters tuned for fast, volumetric heating with low thermal inertia. Temperature uniformity across the wafer stays within ±0.1°C, and setpoint repeatability holds at ±0.5°C, so your photoresist bake profiles lock in from lot to lot. The dryer fits Class 1–100 cleanrooms, with a particle-controlled air path and zero-particle emission materials. It’s meant for 24/7 operation, with MTBF exceeding 20,000 hours and zero unplanned downtime in pilot deployments. Footprint is tight: 300 mm × 200 mm × 150 mm, with 24 VDC or 48 VDC and standard connectors to drop into existing tracks. Here’s why it works on the line. You need heat that responds quickly without overshoot. NIR gives you a fast ramp with tight closed-loop control, so bake time drops and throughput climbs. Energy use falls because the emitter hits the wafer and substrate directly, not the chamber walls. In photoresist processing, that translates to tighter critical dimension control and fewer reworks. In packaging, it dries underfill and clears moisture without warping. Cleanroom compatibility keeps particle counts down—exactly what advanced nodes demand. A few practical notes. The dryer needs a stable, filtered power supply and a clean, dry feed air path to keep the optical window clear. Warm-up is short, but bakes should only start after the 10-minute stabilization window. It’s compact, but you still need clearance around the emitter zone for safety interlocks and exhaust. Match the emitter spectrum to your photoresist and substrate stack; our application team can map a process recipe to your line.

IC on Factory Direct Infrared Heating

2.5D/3D IC packaging heater

Compact infrared dryer for IC