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Educational Resources

Laser Soldering

Laser soldering is a process which selectively heats solder by means of laser irradiation which forms a bond between two parts.

Advantages of laser soldering include:
  • Localized/selective heat input
    • Ideal for heat sensitive components
    • Does not heat/damage adjacent  components
    • High precision – spot sizes on the order of 100s of microns
  • Fast control of heat input (laser on/off)
  • Non-contact  processing for joining in spaces with limited accessibility (vs. Iron tip soldering)
  • Efficient and homogenous heat input
The primary application for laser soldering is laser soldering of circuit boards in the electronics industry.
How does laser soldering work