| Parameter | Value | Parameter | Value |
|---|---|---|---|
| PCB Type | FR4 PCB | Quantity | 5 pcs |
| Layers | 2 Layers | Board Type | Panel PCB |
| Dimensions | 144 x 208 mm | Copper Weight | 1oz |
| Thickness | 1.6 mm | Min Track / Spacing | 6/6mil↑ |
| Surface Finish | ENIG (Immersion Gold) | Min Hole Size | 0.3mm↑ |
| Solder Mask | Green | Silkscreen | White |
| Stack-up | Custom | Impedance Control | No |
This 2-layer FR-4 board measured 144 × 208 mm with 1 oz copper on both sides and a 1.6 mm finished thickness using KB-6165F TG150 material. Produced in a quantity of 30 pieces as customer self-panelized 2×3 arrays with routing separation and no process edges, the design used standard 6 mil line/space, ENIG surface finish, and white solder mask with black silkscreen. 100% flying probe testing and mechanical forming were performed for this short-turnaround order.
DFM review focused primarily on file clarifications and marking requirements. Top layer silkscreen additions included UL marking, logo, and date code per customer instructions, with final positioning confirmed. The stencil layer was noted as missing in initial files. Numbering updates were applied to the latest version at indicated locations. Non-critical arrowed features were verified as unrelated to fabrication. All production files received customer approval before release. Silkscreen marking verification ensured correct placement and legibility without impacting solder mask or copper features.
The order was completed in 2 days with all boards meeting dimensional, electrical, and visual specifications. The customer-panelized configuration without process edges was handled successfully, delivering consistent panels ready for downstream processing.
2 layer FR4 PCBs deliver cost-effective solutions for most electronic designs. Their simple structure enables consistent quality and efficient production cycles.
Real Engineering Queries (EQ) and DFM issues for 2 Layer FR4 PCB (double-sided boards) from actual production reviews. Learn how to avoid common problems with via treatment, silkscreen on pads, solder mask openings, hole attributes, board edge clearance, and other frequent design pitfalls.
| Order ID | PCB Type | Layers | Dimensions | Solder Mask | Surface Finish | Quantity | Action |
|---|---|---|---|---|---|---|---|
| FR4-20260528-028 | FR4 PCB | 2 | 185 x 245 | Green | HASL Lead Free | 5 | View detail |
| FR4-20260526-001 | FR4 PCB | 2 | 100 x 100 | Green | HASL Lead Free | 10 | View detail |
| FR4-20260525-001 | FR4 PCB | 2 | 50 x 45 | Matte Green | HASL Lead Free | 20 | View detail |