The following information provides the manufacturing capabilities, tolerances, and technical information regarding our materials and processes.
All of our boards are manufactured and inspected to IPC-600 Class 2 standards. For any additional information, please contact us by chat or e-mail: support@expresspcb.com.
| Material | |
|---|---|
| Finished Thickness | 0.062″ +/- 10% |
| Material Type | FR-4 |
| Glass Transition Temp (Tg) | 150° C |
| Decomposition Temp (Td) | >345° C |
| Coefficient of Thermal Expansion (CTE) | 2.5% – 3.8% |
| Dielectric Constant (@1 GHz) | 4.25-4.55 |
| Dissipation Factor (@1 GHz) | 0.016 |
| UL rated | 94V-0, CTI=3 minimum |
| Drill | ||
|---|---|---|
| Hole Location | 0.005″ Radially | |
| Finished Hole Size Tolerance (Post-Plate) | +/- 0.005″ | |
| Minimum Hole Size | Plus: 0.006″ | Classic: 2 Lyr = 0.014″, 4 Lyr = 0.008″ |
| Note: Hole sizes <0.018″ may plug | ||
| Maximum Hole Size | 0.250″ | |
| Non Plated Holes | No | |
| Copper Layers | ||
|---|---|---|
| Minimum Trace Width | Plus = 0.005″ | Classic = 0.006″ |
| Etch Tolerance | +/- 20% | |
| Layer to Layer Registration | +/- 0.005″ | |
| Plating | |
|---|---|
| Minimum Avg Cu In Holes | 0.0008″ |
| Solder Mask | |
|---|---|
| Solder Mask Type | Liquid Photo Imageable |
| Solder Masks Registration | +/- 0.005″ |
| Silk Screen | |
|---|---|
| Silk Screen Type | Epoxy Thermal Cure |
| Silk Screen Registration | +/- 0.005″ |
| Fabrication | ||
|---|---|---|
| Router Bit Size | 0.093″ | |
| Minimum edge slot/notch size | 0.100″ | Contact us if your design requires smaller options |
| Fabrication Tolerance | +/- 0.010″ | |
| Internal Cut-Outs | N/A | |
| Tab Route | N/A | Contact us for recommended supplier |
| V-Score | N/A | Contact us for recommended supplier |