Home » Opensor Insufficient Solder
Re-printed in partnership with ITM

Insufficient Solder

Defect: insufficient solder

The solder joint is incomplete resulting in an open circuit or a weak interconnection.

Process and design-related causes of insufficient solder:

  • Non-coplanar leads on the component
  • Excessive warpage of the PCB or substrate
  • Poor wetting
  • Insufficient amount of solder due to improper printing parameters
  • Skips in the printed solder due to blocked stencil aperture
  • Misaligned solder print
  • Improper stencil thickness
  • Inadequate stencil aperture size
  • Excessive pad size
  • Via in pad draining solder from interconnection

Reflow-related causes of  insufficient solder:

  • Preheat too aggressive
  • Peak reflow (liquidus) temperature not being attained
  • Malfunctioning oven which is impeding attenuation of proper temperatures
Custom Solution
Please fill out the contact form below with details and our staff will contact about a custom solution.
Home Email Phone Search
Heller Industries, Inc.

4 Vreeland Road,

Florham Park, NJ 07932, USA

Contact Us



Global Support

Heller offices span the globe.

Find representative

Spare Parts