A solder paste stencil affects assembly yield more than many buyers realize. Good aperture quality and the right thickness improve paste release and reduce soldering defects.
Frameless vs framed
- Frameless: lower cost, flexible, prototype-friendly
- Framed: better for repeat production and printer setup speed
Thickness matters
Stencil thickness must match component pitch and paste volume needs. Fine-pitch boards often benefit from thinner stencils or step stencils.
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