| PCB Train |
Single &
Double sided PTH |
4 & 6 Layers |
| Laminate thickness & type |
1.6 mm FR4,
0.8 mm FR4 |
1.6 mm FR4 |
| 1 oz Cu weight, outers (start thickness before plating) |
18 microns |
18 microns |
| 1 oz Cu weight, outers (finish thickness after plating) |
35 microns |
35 microns |
| 2 oz Cu weight, outers (start thickness before plating) |
70 microns |
n/a |
| 2 oz Cu weight, outers (finish thickness after plating) |
87 microns |
n/a |
| Copper weight (inner-cores) |
- |
35 microns |
| Solder resists (photo-image) |
Green x 2 |
Green x 2 |
| Legend |
White x 2 |
White x 2 |
| Nos. of holes |
No limit |
No limit |
| Min finished size of holes |
0.4mm |
0.3mm |
| Profile complexity |
No limit |
No limit |
| Surface Finish |
Immersion Silver |
Immersion Silver |
| Gold |
None |
None |
| Electrical test |
Optional |
Included |
| Min track & gap (35 micron / 1oz Cu thickness) |
0.15mm |
0.15mm |
| Min track & gap (70 micron / 2oz Cu thickness) |
0.30mm |
n/a |
| Solder resist to copper pad clearance |
0.125mm |
0.125mm |
| Copper pad to hole |
0.125mm |
0.125mm |
| Minimum board size |
10 mm x 10 mm |
10 mm x 10 mm |
| Maximum board size |
570 mm x 420 mm |
560 mm x 405 mm |
| Mechanical |
No scoring.
No chamfering.
No countersinking.
No rebating.
2.0mm standard router.
|
No scoring.
No chamfering.
No countersinking.
No rebating.
2.0mm standard router.
|
| Legend line width |
0.15 mm minimum |
0.15 mm minimum |
| Drill hole to copper clearance (inner layer) |
0.5 mm minimum |
0.5 mm minimum |
| Mechanical edge to copper track clearance |
0.25 mm minimum |
0.25 mm minimum |
| Dielectric constant (Dk) of FR4 |
4.5 to 4.7 |
4.5 to 4.7 |
| 4 Layer M/L construction "Z" axis spacing of copper layers (4 layers) |
n/a |
1-2 0.21 mm
2-3 1.06 mm
3-4 0.21 mm
|
| 6 Layer M/L construction "Z" axis spacing of copper layers (6 layers) |
n/a |
1-2 0.21 mm
2-3 0.41 mm
3-4 0.21 mm
4-5 0.41 mm
5-6 0.21 mm
|
| Overall thickness tolerance |
+ / - 10 % |
+ / - 10 % |
| A manufacturer's batch identification number of maximum dimensions 3mm x 3mm will be added to a copper layer |
Mandatory |
Mandatory |
| If your requirements exceed PCB Train specifications |
Ask us to quote |
Ask us to quote |
