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| Brand Name: | Support OEM / ODM |
| Model Number: | Flexible PCB Board |
| MOQ: | 1-10 pcs |
| Price: | USD 0.50–150/pc |
| Payment Terms: | T/T,Western Union,Paypal |
| Supply Ability: | Double Sided: 12000 sq m / month Multilayers: 8000sq.m / month |
A Flexible PCB (also called flex PCB or FPC) is a type of printed circuit board that can bend, fold, and twist without breaking. Unlike rigid boards, flexible PCBs are designed to adapt to tight spaces and dynamic environments, making them ideal for compact and lightweight electronic devices.
Rigid PCBs are built on FR4 substrates, which makes them stiff and less adaptable to tight spaces. Flexible PCBs, in contrast, use polyimide substrates that allow the board to bend and twist without damage. Conductive copper layers carry signals across the base material, while protective coverlays or conformal coatings ensure durability. Thanks to this flexibility, FPCs save space, withstand vibration better, and enable 3D packaging solutions that rigid boards simply cannot achieve.
The structure of a Flexible PCB is built on thin, bendable substrates such as polyimide (PI) or PET, which provide excellent mechanical flexibility and heat resistance. Copper foil is laminated onto the substrate to form the conductive traces, while coverlays or solder masks protect the circuits. Depending on the application, stiffeners can be added in certain areas to strengthen connectors or mounting points without affecting the overall flexibility.
Flexible PCBs combine mechanical adaptability with electrical reliability. They can be bent, folded, or twisted to fit into compact or irregularly shaped devices, all while maintaining stable electrical performance.
| Features | Capabilities |
|---|---|
| Minimum Dimensions | No limit. Panel suggested if dimension < 20×20mm |
| Maximum Dimensions | Regular: 234 × 490mm Absolute limit: 250 × 600mm with edge rails |
| Dimension Tolerance | ±0.1mm/±0.05mm(extra charged) |
| Coverlay Color | Yellow / Black / White/Transparent |
| Surface Finish | ENIG. Thickness: 1u" / 2u" |
| Min. Via hole size/diameter | ①Regular: 0.15mm/0.35mm ②Extreme: 0.10mm/0.3mm (extra charged) |
| Minimum Plated Slot | 0.50 mm |
| Minimum Non-Plated Slot | No limit |
| Annular Ring for PTH | ≥ 0.25 mm. Absolute limit: 0.18mm |
| Minimum Trace Width/Spacing | ① 12μm (1/3oz) copper: 3/3mil (absolute limit 2/2mil) ② 18μm (0.5oz) copper: 3.5/3.5mil ③ 35μm (1oz) copper: 4/4mil |
| Stiffener Material | PI(0.1mm, 0.15mm, 0.20mm, 0.225mm, 0.25mm) FR4(0.1mm, 0.2mm, 0.4mm, 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.6mm) Stainless Steel(0.1mm, 0.2mm, 0.3mm) 3M Tape(tesa8854, 3M9077, 3M468) |
We are a reliable Flexible PCB Board & PCBA manufacturer with automated production lines. We offer free sampling, small to bulk production, with fast delivery and strict quality control.
One-stop solution: DFM inspection, FPC customisation, PCBA assembly, functional testing, and professional after-sales support.
Send your Gerber files or custom requirements. We provide fast quotations, design optimisation, and reliable FPC & PCBA manufacturing services.
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