PCB-standards-dat
- 8 mil = 0.2 mm
- 10 mil = 0.25 mm (common used)
- 12 mil = 0.3048 mm
- 14 mil = 0.3556 mm
| category | Standards | 0.2 mm | 10 mil | Note. CN |
|---|---|---|---|---|
| clearance | Wire -> Wire, Pad, Via | 0.2 mm | ||
| clearance | Wire -> edge | 0.2 mm | ||
| Size | Signal Width | 0.2 mm | ||
| Size | Minimum Drill | 0.25 mm | ||
| Miscs. | roundness | 0.15 mm @ 100% | ||
| Miscs. | Mask | 0.1mm @ 100% | ||
| Misc. | Min. Diameter | |||
| Misc. | Annular Ring |
Other Manufacturing Limits
| Type | Specs | Note |
|---|---|---|
| PCB Type | FR-4 from KB company | - |
| Maximum size | 1200mm X1200mm | more than 550mm prices will increase |
| Dimensions accuracy of board | ± 0.2mm | - |
| Thickness range | 0.40~3mm | - |
| Thickness tolerance | ±10% | - |
| Dielectric thickness | 0.075 - 5.00mm | - |
| Copper thickness | 17um - 100um | default 1OZ 35um, 0.035mm |
| Drilling Hole | 0.3mm - 6.30mm | - |
| Drilling Hole Tolerances | 0.08mm | - |
| Drilling Hole position tolerance | 0.09mm | - |
| Pour hypotenuse | 30~60 ° | - |
| Color | red, blue, green, white, yellow, black | default green|- |
| Soldering Pads Plating | HASL, ROSH (lead-free), ENIG |