4 Layer PCB Manufacturing Service
A 4 layer PCB consists of four conductive copper layers laminated together, providing greater routing capacity and improved signal integrity compared with double-sided PCBs. It is widely used in electronic products that require compact layouts, stable performance, and reliable electrical connections.
Huayihai manufactures custom 4 layer PCBs for prototype, low-volume, and mass production, delivering consistent quality and precision for a wide range of industries.
Key Features
- Higher routing density
- Improved signal integrity
- Compact PCB design
- Stable electrical performance
- Reliable multilayer structure
- Custom fabrication service
PCB Manufacturing Capabilities
| Item |
Capability |
| PCB Type |
4 Layer PCB |
| Base Material |
FR4, High TG FR4 |
| Board Thickness |
0.20–3.20 mm |
| Copper Thickness |
0.5–6 oz |
| Min Trace / Space |
3/3 mil |
| Min Hole Size |
0.15 mm |
| Surface Finish |
ENIG, HASL, Lead-Free HASL, OSP
|
| Impedance Control |
Supported |
| Electrical Test |
100% Electrical Testing |
| Production |
Prototype & Mass Production
|
Typical Applications
Industrial Communication Control Board
This custom 4 layer PCB was manufactured for an industrial communication controller requiring stable signal transmission and a compact layout. The optimized stack-up improved routing efficiency while ensuring reliable long-term performance.
Why Choose Huayihai
- Over 20 years of PCB manufacturing experience
- One-stop PCB fabrication and PCB assembly services
- Advanced production equipment and automated inspection
- Strict quality control throughout the manufacturing process
- Fast prototype and mass production support
- Professional engineering and technical support
- Competitive pricing with reliable delivery
FAQ
Q1: What types of flexible PCBs do you manufacture?
We manufacture single-sided, double-sided, and multilayer flexible PCBs.
Q2: Can you provide custom flexible PCB solutions?
Yes. We support customized designs based on your Gerber files, specifications, and application requirements.
Q3: Do you provide PCB assembly services for flexible PCBs?
Yes. We offer complete PCB assembly services, including component sourcing, SMT assembly, DIP assembly, testing, and final inspection.
Q4: What file formats do you accept for quotation?
We accept Gerber files, BOM lists, Pick & Place files, PCB drawings, and other standard engineering documents.
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Custom 4 Layer PCB Manufacturing Service Images
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