PCB & PCBA Manufacturer
Flex PCB Manufacturer – Flex Circuit Board Supplier
As a specialized flex PCB manufacturer and flex circuit board supplier, we produce high-quality flexible printed circuits (FPC) for customers worldwide. Unlike rigid PCB suppliers who offer flex as an afterthought, we specialize in flex – it’s our core competency.
Whether you need a simple 1-layer flex for a wearable device, a complex 4-layer FPC for a medical instrument, or a high-density 6-layer flex for aerospace, we build to your exact specifications. Your design, your stackup, your material choices – we follow them precisely.
Why Choose a Specialized Flex PCB Manufacturer?
| Aspect | General PCB Supplier | Specialized Flex Manufacturer (Us) |
|---|---|---|
| Core competency | Rigid PCB | Flexible PCB (FPC) |
| RA copper | Sometimes (upcharge) | Standard – always included |
| Bend radius expertise | Limited | Deep expertise – DFM included |
| Coverlay vs solder mask | May confuse | Coverlay standard for flex |
| Stiffener design | Limited options | FR4, polyimide, metal |
| Dynamic flex experience | Limited | Extensive – thousands of cycles |
| Lead time (prototype) | 10-15 days | 7-10 days |
| Engineering support | Basic | Specialized flex DFM review |
What We Offer as Your Flex PCB Manufacturer
| Service | Description |
|---|---|
| Custom layer stackup | 1 to 6 layers (8 on request) |
| Board thickness | 0.1mm to 0.4mm (up to 0.6mm with stiffeners) |
| Copper type | RA copper standard – rolled annealed |
| Copper weight | 0.5 oz or 1 oz |
| Min trace width/spacing | 3 mil / 3 mil (0.075mm) – 2 mil available |
| Coverlay | Polyimide (yellow, black, white) |
| Stiffeners | FR4, polyimide, metal (aluminum, steel) |
| Surface finish | ENIG (preferred), HASL, Immersion Silver, OSP |
| PSA adhesive backing | 3M or equivalent – for mounting |
| EMI shielding | Silver ink, copper layer, shielding film |
| Stamped / routed outline | Precision die-cutting or laser routing |
Flex PCB Manufacturing Capabilities
| Parameter | Our Capability |
|---|---|
| Layer count | 1 to 6 layers (8 on request) |
| Min trace width/spacing | 3 mil / 3 mil (2 mil available) |
| Min drill size (mechanical) | 0.15mm |
| Min drill size (laser) | 0.10mm (microvia) |
| Board thickness (1-2 layer) | 0.1mm – 0.2mm |
| Board thickness (4-6 layer) | 0.3mm – 0.5mm |
| Copper weight | 0.5 oz or 1 oz |
| Copper type | RA copper standard |
| Min coverlay opening | 0.2mm |
| Max board size (single panel) | 250mm x 600mm |
| Stiffener thickness | 0.05mm – 0.5mm |
| Surface finishes | ENIG, HASL, Immersion Silver, OSP, Hard Gold |
| Solder mask on flex | Not recommended – coverlay only |
| Tolerance (routing) | ±0.1mm (stamped), ±0.05mm (laser) |
Our Manufacturing Process for Flex PCBs
| Step | What Happens | Time |
|---|---|---|
| 1. Submit Gerber files | Upload your design | Minutes |
| 2. Free DFM review | Flex-specific check (bend radius, vias, coverlay) | 24 hours |
| 3. Receive quotation | Detailed pricing | 24 hours |
| 4. First article (recommended) | 5-20 pieces for validation | 7-10 days |
| 5. Production | Built to your specifications | 10-15 days |
| 6. 100% electrical test | Including flex continuity | Included |
| 7. Secure shipping | DHL/FedEx/UPS | 1-5 days |
Flex PCB vs. Rigid PCB – Key Differences
| Feature | Rigid PCB | Flex PCB (FPC) |
|---|---|---|
| Base material | FR4 (glass epoxy) | Polyimide (Kapton) |
| Thickness | 0.6-2.4mm | 0.1-0.4mm |
| Bendability | None | Yes – designed to bend |
| Copper type | ED copper | RA copper (standard) |
| Surface protection | Solder mask | Coverlay (polyimide) |
| Component support | Excellent | Limited (stiffeners needed) |
| Typical lead time (prototype) | 3-7 days | 7-10 days |
| Typical cost (per board) | Lower | Higher (more processing) |
Industries We Serve as Flex PCB Supplier
| Industry | Typical Flex Applications | Special Requirements |
|---|---|---|
| Wearables | Smartwatches, fitness bands, hearing aids | Ultra-thin (0.1-0.2mm), RA copper |
| Medical | Endoscopes, patient monitors, sensors | High reliability, traceability |
| Consumer | Smartphones, foldable phones, cameras | High volume, fine pitch |
| Automotive | Sensors, lighting, battery management | Temperature range, vibration |
| Industrial | Robotics, sensors, dynamic cabling | Dynamic flex, rugged |
| Aerospace | Avionics, satellite harnesses | High reliability, lightweight |
| Defense | Portable radios, ruggedized equipment | MIL-spec, ITAR (on request) |
Why Choose Us as Your Flex PCB Manufacturer?
| Feature | What You Get |
|---|---|
| Specialized flex manufacturer | Flex is our core competency, not an afterthought |
| RA copper standard | No upcharge – always included |
| Free DFM review | Flex-specific check (bend radius, vias, coverlay) |
| No MOQ for prototypes | Order as few as 5 pieces |
| Fast turnaround | Prototypes in 7-10 days |
| Full traceability | Lot-level tracking for quality |
| Engineering support | Bend radius, stackup, material selection |
| ISO9001 & UL certified | Quality guaranteed |
Order Process for Flex PCB
Send your design files – Gerber RS-274-X preferred
Free DFM review – we verify bend radius, vias, coverlay, stackup
Receive quotation – within 24 hours
First article (recommended) – 5-20 pieces for validation
Production – built to your specifications
100% electrical test
Secure shipping – worldwide delivery
New to flex PCB? We recommend starting with a first article (prototype) to validate your design before mass production. We provide free DFM review to catch issues early.
