| Item | HLC PCB | HDI PCB |
| Layer Count | 1-24 | 4-16 |
| Board Thickness | 0.3-3.4 mm | 0.27-3.2 mm |
| Minimum Dielectric Thickness | 0.045 | 0.03 |
| Max. Panel Size | 28.5'' x 24.5'' | 24'' x 18.7'' |
| Base Copper Thickness | 1/3-6oz | 1/3-4oz |
| Hole-wall Copper Thickness | 20-70um | 20/18, 25/20um |
| Outer layer Finished Copper Thickness | 1-5oz | 1-2oz |
| Min. Line Width/Space(inner layer) | 0.05mm / 2mil | 0.05mm / 2mil |
| Min. Line Width/Space(outer layer) | 0.05mm / 2mil | 0.05mm / 2mil |
| Min. Mechanical Drill Diameter | 0.15mm / 6mil | 0.15mm / 6mil |
| Min. Laser Hole Diameter | 0.075mm / 3mil | 0.075mm / 3mil |
| Max. Aspect ratio(PTH) | 14:1 | 14:1 |
| Surface Treatment | HASL-LF,HASL,ENIG, Immersion Tin, OSP, Immersion Silver, Gold Finger | HASL-LF,HASL,ENIG, Immersion Tin, OSP, Immersion Silver, Gold Finger |
