IMMERSION TIN
Technical information:
- Immersion Tin
- Typ. Sb.coat 0.4 – 1 µm (max. 1.2 µm)
- Process temperature ~ 70 °C
- Shelf life 6months
Advantages:
- Smooth coating
- Good solderability / hole filling
- Suitable for press-fit applications because no burr appears
Disadvantages:
- Sensitive on scratches
- Sensitive on thermal influence and improper storage conditions
- Only limited shelf life in semi-assembled condition
Application fields:
- Fine pitch structures and micro vias
- HDI boards
- Press- fit applications