FR4 PCB Manufacturer | Custom FR4 Circuit Board Solutions
Elidar provides high-quality custom FR4 PCB manufacturing services, including single-sided, double-sided, and multilayer FR4 circuit boards. With advanced PCB fabrication capabilities and strict quality control, we support prototypes, small batches, and mass production for industrial, medical, LED, and electronic applications.
Fr4 PCB Specification
1. Material Specification
| Parameter | Specification |
|---|---|
| PCB Material | FR4 (Glass Fiber Reinforced Epoxy Laminate) |
| Material Type | Standard FR4 / High Tg FR4 / Halogen-Free FR4 |
| Base Material | Fiberglass + Epoxy Resin |
| Flame Retardant Rating | UL94V-0 |
| Glass Transition Temperature (Tg) | 130℃ / 150℃ / 170℃ / Customized |
| Decomposition Temperature (Td) | ≥300℃ |
| Thermal Conductivity | 0.3–0.5 W/m·K |
| Moisture Absorption | ≤0.2% |
| Color | Natural / Customized |
2. PCB Layer Capability
| Parameter | Specification |
|---|---|
| PCB Type | Rigid PCB |
| Layer Count | Single Layer / Double Layer / Multilayer |
| Standard Layer Range | 1–16 Layers |
| Advanced Capability | Up to 32 Layers (Customized) |
| HDI Capability | Available |
| Board Structure | Through Hole / HDI / Multilayer |
3. Board Thickness
| Parameter | Specification |
|---|---|
| Standard Thickness | 0.8mm / 1.0mm / 1.2mm / 1.6mm / 2.0mm |
| Available Thickness Range | 0.2mm – 6.0mm |
| Thickness Tolerance | ±10% |
| Common Thickness | 1.6mm |
4. Copper Thickness
| Parameter | Specification |
|---|---|
| Outer Layer Copper | 0.5oz – 6oz |
| Inner Layer Copper | 0.5oz – 3oz |
| Standard Copper Weight | 1oz / 2oz |
| Heavy Copper Option | Up to 10oz Customized |
5. Electrical Performance
| Parameter | Specification |
|---|---|
| Dielectric Constant (Dk) | 3.8–4.6 @1GHz |
| Dissipation Factor (Df) | 0.015–0.025 |
| Dielectric Strength | ≥40–60kV/mm |
| Insulation Resistance | ≥10⁸ MΩ |
| Electrical Reliability | High Signal Integrity |
6. Mechanical Capability
| Parameter | Specification |
|---|---|
| Minimum Board Size | Customized |
| Maximum Board Size | Customized |
| Board Shape | Rectangle / Round / Special Shape |
| Panelization | V-Cut / Routing |
| Dimensional Stability | Excellent |
7. PCB Fabrication Capability
| Parameter | Specification |
|---|---|
| Minimum Line Width | 3mil–4mil |
| Minimum Line Spacing | 3mil–4mil |
| Minimum Hole Size | 0.15mm–0.20mm |
| Hole Tolerance | ±0.075mm |
| Aspect Ratio | Up to 10:1 |
| Impedance Control | Available |
8. Surface Finish
| Surface Finish | Features |
|---|---|
| HASL | Cost-effective solution |
| Lead-Free HASL | RoHS compliant |
| ENIG | Excellent flatness & reliability |
| OSP | Environment-friendly |
| Immersion Silver | Good conductivity |
| Immersion Tin | Excellent solderability |
9. Solder Mask & Silkscreen
| Parameter | Specification |
|---|---|
| Solder Mask Type | LPI (Liquid Photoimageable) |
| Solder Mask Color | Green / Black / Blue / Red / White |
| Silkscreen Color | White / Black |
| Minimum Character Size | 0.8mm |
10. Testing & Quality Control
| Test Item | Capability |
|---|---|
| AOI Inspection | ✓ |
| Electrical Testing | ✓ |
| Flying Probe Test | ✓ |
| Impedance Testing | ✓ |
| Microsection Analysis | ✓ |
| Solderability Test | ✓ |
| Final Inspection | ✓ |
11. Standards & Certifications
| Parameter | Specification |
|---|---|
| Manufacturing Standard | IPC-A-600 |
| Assembly Standard | IPC-A-610 |
| Quality Class | IPC Class 2 / Class 3 |
| Quality System | ISO9001 |
| Environmental Standard | RoHS / REACH |
12. FR4 PCB Applications
- Industrial Control PCB
- Medical Equipment PCB
- LED Lighting PCB
- Automotive Electronics
- Consumer Electronics
- Communication Equipment
- Power Electronics
- Automation Systems
