
Why Gallium Iodide is the Real Deal for PCB Curing
We built this Gallium iodide lamp with one thing in mind: the 2026 printing and curing world. And right away, it got attention. Why? Because it’s not some general-purpose light. It’s a UV module made for one place—the PCB factory floor. It was engineered for one job: deliver curing that’s steady, repeatable, and never lets you down when the line is running. In production, uptime isn’t optional. Consistent output isn’t optional. This lamp treats those like the basics they are.
Power, Voltage, and Size—Without the Fluff
Here’s the setup: 400V input, 2500W output, and a 300mm quartz tube. That 400V rating matters because it pulls less current than lower-voltage options. Less current means less stress on your wiring and a calmer, cooler control cabinet. And that 2500W packed into a 300mm footprint? It creates intense UV right where you need it. That intensity is what shrinks curing time and lets you run your line faster. But let’s be honest—this kind of power density makes heat. So your machine needs airflow and thermal management that can handle it. Keep the lamp and reflector cool, and everything stays in the safe zone.
The Details That Actually Matter: Coating, Filament, and Connection
The gallium iodide chemistry pushes the UV output toward the 365nm band. That’s the sweet spot for many photopolymers and solder masks, so the response is predictable—less guesswork, more confidence. The quartz envelope? It stays clear under UV and handles quick temperature swings without cracking under pressure. And the connector choice is practical, not flashy. We went with an R7s so the lamp drops straight into what you already have. No rewiring. Less downtime. Fewer headaches when you’re swapping fixtures. Inside, the filament and fill are tuned for clean ignition and steady output, even during long runs. In a tough factory environment, that kind of stability means fewer rejects and fewer stops caused by the lamp.
What It Feels Like on a PCB Line
On a PCB line, you need curing that keeps up with your throughput—without drifting. This custom UV module gives you repeatable intensity for solder mask curing, legend printing, and adhesive setting. And it works as a direct replacement for standard fixtures, so you can upgrade without redesigning your machines. You get curing that stays consistent. You get faster line speeds without constant tweaking. And you get a module that can handle the grind—wired cleanly, built tough, and ready to perform shift after shift.