An SMT equipment manufacturer required high-power LED strobe lights for AOI (Automated Optical Inspection) systems. The LEDs needed 100,000+ Hz strobe frequency, 50,000+ nits peak brightness, and spectral matching for PCB solder joint inspection (UV 365nm + white + IR 850nm).

Queendom Solution

Queendom supplied high-power infrared LED emitters in SMD 2835, 3535, and 5050 packages for AOI (Automated Optical Inspection) machine vision systems. Featuring 850nm and 940nm peak wavelengths with ultra-fast rise/fall times under 100ns, these IR emitters enable high-speed stroboscopic inspection at up to 100 kHz. Optional 365nm UV and white light channels support multi-spectral defect detection for PCB assembly, semiconductor, and precision manufacturing inspection lines.

Key Advantages:

  • CSP-0707: Chip-scale package, 0.7×0.7mm
  • Strobe: 100,000Hz, 50,000+ nits peak
  • Multi-spectrum: UV 365nm + white + IR 850nm
  • Line-scan: Dense array for continuous illumination
  • Synchronization: <1us trigger-to-light delay
AOI Machine Vision Inspection Case

Product Specifications

ParameterSpecification
LED PackageSMD 2835 / 3535 / 5050 IR Emitters
Peak Wavelength850nm / 940nm IR (with 365nm UV & white light options)
Radiant Power10 – 80 mW/sr @ 100mA (850nm)
Viewing Angle30 / 60 / 90 / 120 degrees
Strobe FrequencyUp to 100 kHz (pulsed operation)
Rise/Fall Time< 100ns (fast response for high-speed inspection)
Operating Temp-40C to +100C
CertificationsCE / RoHS / REACH

Application Scenarios

PCB Solder Inspection

UV channel for flux residue, white for solder fillet, IR for hidden joints

Screen Panel Inspection

Line-scan illumination, 100kHz strobe for high-speed production

3D Profiling

Multi-angle structured light, IR channel for sub-surface imaging

Case Direction

AOI equipment: CSP-0707 multi-spectrum LED strobe for PCB inspection, 100kHz strobe, UV/white/IR channels.

Related Links

Solution: Machine Vision LEDs Solutions
Product: SMD LED Products
Case Studies: Imaging Principles of LED Optical Systems | Infrared LED Camera Case

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