An annular ring is the circumferential copper ring around a plated contact.
Example – Standard
Example – Microvia
Example – Component hole
see also Component holes
- You should design the annular rings as large as possible (annular ring ≥ 125µm).
- Please specify component holes ≤ 0.5mm with your order!
- Component holes ≤ 0.6mm must be manufactured with a chemical surface, otherwise these holes will be filled with tin during the HAL process!