Insights
Technical learnings and practical tips from the DeltaProto PCBA proto lab.
Testing microBGA solderability with local fiducials
2026-03-14Test structures, mask outlines and local fiducials for reliable fine-pitch BGA assembly.
Glue-mount components: watch out in your BOM
2026-03-11When components are designed for conductive adhesive instead of standard soldering.
Press-fit connectors in prototypes
2026-03-04Reliable and vibration-resistant, but often impractical in the prototype phase. Practical tips.
BGA interposer at 0.5 mm pitch: lessons from practice
2026-02-09What goes wrong (and how to fix it) when making interposers for fine-pitch BGAs.
LED rotation: where is the cathode actually?
2026-01-19A recurring phenomenon: the standard LED orientation in the tape vs. the marking on the component.
ProtoMemo 2.0: From Fast to Manufacturable
2025-12-01The new ProtoMemo with PreCheck, PostCheck, and EMS advice for better prototypes.
0402 or 0603: metric vs. imperial
2025-09-08One mistake in the measurement system and your component doesn't fit the footprint. A very common pitfall.
Via-in-pad: filled vias vs. stencil filling
2025-08-25With BGA's or fine-pitch components, vias in a pad are unavoidable. How we shorten lead time by filling vias ourselves.