| 1 Top |
Tracks, top side |
| 2 Route2 |
Inner layer (signal or supply) |
| 3 Route3 |
Inner layer (signal or supply) |
| 4 Route4 |
Inner layer (signal or supply) |
| 5 Route5 |
Inner layer (signal or supply) |
| 6 Route6 |
Inner layer (signal or supply) |
| 7 Route7 |
Inner layer (signal or supply) |
| 8 Route8 |
Inner layer (signal or supply) |
| 9 Route9 |
Inner layer (signal or supply) |
| 10 Route10 |
Inner layer (signal or supply) |
| 11 Route11 |
Inner layer (signal or supply) |
| 12 Route12 |
Inner layer (signal or supply) |
| 13 Route13 |
Inner layer (signal or supply) |
| 14 Route14 |
Inner layer (signal or supply) |
| 15 Route15 |
Inner layer (signal or supply) |
| 16 Bottom |
Tracks, bottom side |
| 17 Pads |
Pads (through-hole) |
| 18 Vias |
Vias (through-hole) |
| 19 Unrouted |
Airwires (rubberbands) |
| 20 Dimension |
Board outlines (circles for holes) |
| 21 tPlace |
Silk screen, top side |
| 22 bPlace |
Silk screen, bottom side |
| 23 tOrigins |
Origins, top side |
| 24 bOrigins |
Origins, bottom side |
| 25 tNames |
Service print, top side |
| 26 bNames |
Service print, bottom side |
| 27 tValues |
Component VALUE, top side |
| 28 bValues |
Component VALUE, bottom side |
| 29 tStop |
Solder stop mask, top side |
| 30 bStop |
Solder stop mask, bottom side |
| 31 tCream |
Solder cream, top side |
| 32 bCream |
Solder cream, bottom side |
| 33 tFinish |
Finish, top side |
| 34 bFinish |
Finish, bottom side |
| 35 tGlue |
Glue mask, top side |
| 36 bGlue |
Glue mask, bottom side |
| 37 tTest |
Test and adjustment inf., top side |
| 38 bTest |
Test and adjustment inf. bottom side |
| 39 tKeepout |
Nogo areas for components, top side |
| 40 bKeepout |
Nogo areas for components, bottom side |
| 41 tRestrict |
Nogo areas for tracks, top side |
| 42 bRestrict |
Nogo areas for tracks, bottom side |
| 43 vRestrict |
Nogo areas for via-holes |
| 44 Drills |
Conducting through-holes |
| 45 Holes |
Non-conducting holes |
| 46 Milling |
Milling |
| 47 Measures |
Measures |
| 48 Document |
General documentation |
| 49 Reference |
Reference marks |
| 51 tDocu |
Part documentation, top side |
| 52 bDocu |
Part documentation, bottom side |