8L HDI – materials: FR-4 Shengyi S-1000-2; finished thickness: 1.60mm +/- 10%; BGA size: 0.25mm; line width and space: 0.10/0.10 mm; surface treatment: ENIG; features: fine pitch, copper filled via technology
| Feature | Technical Specification |
|---|---|
| Number of layers | 4 – 22 layers standard, 30 layers advanced |
| Technology highlights | Multilayer boards with a higher connection pad density than standard boards, with finer lines/spaces, smaller via holes and capture pads allowing microvias to only penetrate select layers and also be placed in surface pads. |
| HDI builds | 1+N+1, 2+N+2, 3+N+3,4+N+4, any layer in R&D |
| Materials | FR4 standard, FR4 high performance, Halogen free FR4, Rogers |
| Copper weights (finished) | 18um – 70um |
| Minimum track and gap | 0.075mm / 0.075mm |
| PCB thickness | 0.40mm – 3.20mm |
| Maximum dimensions | 610mm x 450mm; dependant upon laser drilling machine |
| Surface finishes available | OSP, ENIG, Immersion tin, Immersion silver, Electrolytic gold, Gold fingers |
| Minimum mechanical drill | 0.15mm |
| Minimum laser drill | 0.10mm standard, 0.075mm advanced |