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 |
Manufacturing capability
Please adapte this to your own "DRC(Design Rule Check)" tool, to make sure your board reach the manufacturing limits.
Common-Used Design Ruled DRC
| Name | Min. inch (mm) | Max. | Eagle CAD Default |
|---|---|---|---|
| Trace Width/Spacing | 6/6 mils (0.15 mm) | - | 10/8 mils |
| Via/Hole Spacing | 6 mils (0.15 mm) | - | 8 mils |
| Drilling hole (vias) | 10 mils (0.25 mm) * | 250 mils (6.35 mm) | Sizes 24 mils |
| Min. stop mask | 4 mils (0.1 mm) | - | Masks 4 mils |
| Min. copper/trace to ground spacing | 8 mils (0.2 mm) | - | 40 mils |
Note
- Minimum milling width of grooves is 0.8mm
- A lot numbers of vias may cost extra
- Dimension: Any irregular shape should be treated as a rectangular, with maximum size.
- Board test: fully tested by fly probes.
Half-Hole/Impedance
- Half-Hole + $20, if you need this please contact first or write note in order.
- Impedance + $60
What do not support
- Four layers boards
- Blind holes (not through holes).
Extra PCB Technics
| Type | Description | Category |
|---|---|---|
| Lead free ROHS | free for samples, extra cost for batch production | Soldering Pads Plate Technic |
| ENIG | Gold immersion on pads, better look, better soldering, etc | Soldering Pads Plate Technic |
| Faster PCB in 30 Hours | PCB Manufacturing will be finished in one and half day, not including shipping and handing time. Cost is 42 USD. Can not with ENIG service. | Express PCB |
| Faster PCB in 53 Hours | PCB Manufacturing will be finished in two and half day, not including shipping and handing time. Cost is 21 USD. | Express PCB |
| 2oz copper thickness | Get better heat dissipation for your board, example like A4988 board. | - |
| Board thickness | Free from 0.6 till 1.6 mm, extra cost need for 0.4 and 2.0 mm thickness. (available thickness 0.4 0.6 0.8 1.0 1.2 1.6 2.0) | - |