High output amalgam UVC lamp

Sat, 27 Jun 2026 09:09:43 +0800

On the PCB line, the solder mask step is where you live and die by the micron. Undercure on fine traces? You’re asking for bridging, adhesion issues, and failures out in the field. You need a UV system that puts stable energy density across the board, even in the tight spots. What matters under the hood We run high-output amalgam UVC lamps, and the spectrum is centered at 365 nm—right where epoxy solder mask inks want their photoinitiators to fire. The amalgam keeps peak irradiance high (up to 12 W/cm²) at the arc length, with tight wavelength control, so you get fast cross-linking without cooking the substrate. An ozone-free quartz envelope and dichroic-coated reflectors shape a clean beam profile. That means less spectral spread and more usable dose delivered. You can count on stable output for 5,000+ hours, with less than 5% drop in irradiance—exactly what you need for long runs. Why this fits the PCB shop PCBs demand uniform cure across dense features and narrow gaps, where shadowing can leave resin soft. The 365 nm output gets down into the ink layer and drives complete polymerization at line speeds up to 150 m/min, without losing resolution. The lamp stabilizes the arc quickly, so curing energy stays consistent. That translates to fewer rejects, higher throughput, and predictable adhesion on micro-vias and fine pitch. Energy use drops compared to conventional medium-pressure mercury systems, and you stretch lamp replacement intervals, which means less downtime. The practical details Matching the lamp to the fixture isn’t optional. Check arc length, end-of-life sensing, and shutter compatibility with your printer platform. Run an active cooling path to keep heat density at the reflector under control, and use a calibrated UV radiometer to set the minimum energy density the solder mask spec requires. Amalgam lamps hold output steady across temperature swings, but they need precise ballast matching to keep current and spectrum stable. And keep reflectors aligned and clean—otherwise you lose peak irradiance and uniformity.

Amalgam on UV Lamp Core

High output amalgam UVC lamp