Flex PCB Manufacturer

Precision Flexible Circuits

ISO 9001|ISO 13485|IATF 16949
Flex PCB Manufacturer

Flexible PCB Fabrication

FlexiPCB manufactures flex PCBs with layer counts from 1 to 6, with ultimate builds extending to 10 layers for specialized multi-layer flex circuits. Fabrication uses polyimide base materials such as Shengyi SF305, Songxia RF-775, and Taihong PI, supporting dielectric stability, thermal resistance, and fine-line processing.

1-6 layers standard, up to 10 layers ultimate
Min 3mil trace/space, 0.1mm laser drill
Single-ended impedance ±5Ω (advanced: ±3Ω)
Board thickness 0.05-0.5mm (ultimate: 0.8mm)
Lead time 3-6 days, expedited 2-4 days
100% AOI and flying probe tested

Technical Specifications

Layer Count1-6 layers (Ultimate: 7-10 layers)
Base Material (Adhesive)Shengyi SF302 (PI: 0.5/1/2mil, Cu: 0.5/1oz), SF305 (PI: 0.5/1/2mil, Cu: 0.33/0.5/1oz)
Base Material (Adhesiveless)Songxia RF-775/777 (PI: 1/2/3mil, Cu: 0.5/1oz, Ultimate: 2oz), Xinyang (PI: 1/2mil, Cu: 0.33/0.5/1oz), Taihong (PI: 1/2mil, Cu: 0.33/0.5/1oz), Dupont AP (PI: 1/2/3/4mil, Cu: 0.5/1oz, Ultimate: 2oz)
Board Thickness (Flex Part)0.05-0.5mm (Ultimate: 0.5-0.8mm)
Min. Size5mm×10mm (Bridgeless), 10mm×10mm (Bridge); Ultimate: 4mm×8mm / 8mm×8mm
Max. Size9"×14" (Ultimate: 9"×23" with PI≥1mil)
Impedance (Single-ended)±5Ω (≤50Ω), ±10% (>50Ω); Ultimate: ±3Ω (≤50Ω), ±8% (>50Ω)
Impedance (Differential)±5Ω (≤50Ω), ±10% (>50Ω); Ultimate: ±4Ω (≤50Ω), ±8% (>50Ω)
Finger Width Tolerance±0.1mm (Ultimate: ±0.05mm)
Min. Distance to Finger Edge8mil (Ultimate: 6mil)
Min. Distance Between Pads4mil (Ultimate: 3mil)
Min. Laser Hole0.1mm
Min. PTH0.3mm
Min. NPTH Tolerance±2mil (Ultimate: +0/-2mil or +2/-0mil)
Solder Bridge (Cu<2oz)4mil (Green), 8mil (Other colors)
Solder Bridge (Cu 2-4oz)6mil (Green), 8mil (Other colors)
Coverlay ColorWhite, Yellow (printed character: White)
Surface FinishOSP, HASL, Lead-Free HASL, ENIG, Hard Gold, Immersion Silver
Selective Surface FinishENIG+OSP, ENIG+Gold Finger

Applications

Consumer Electronics

Smartphones, wearables, cameras, and portable devices requiring compact, flexible interconnects with space-saving layouts.

Medical Devices

Implantable devices, catheters, hearing aids, and diagnostic equipment demanding biocompatibility and high reliability.

Automotive

Dashboard displays, sensors, LED lighting, and engine control units requiring vibration resistance and durable bend performance.

Aerospace & Defense

Satellites, avionics, and military systems where weight reduction and connection reliability are critical.

Our Manufacturing Process

1

Design Review

Our engineers analyze your Gerber files for manufacturability and suggest optimizations for flex circuit design.

2

Material Selection

We select optimal polyimide materials (Shengyi, Dupont, Songxia) based on your bend radius and thermal requirements.

3

Circuit Fabrication

Precision LDI imaging with 3mil trace/space capability and laser drilling for HDI flex circuits.

4

Coverlay Application

Protective coverlay lamination with precise alignment for circuit protection and insulation.

5

Testing & Inspection

100% electrical testing with flying probe and AOI inspection ensures quality and reliability.

Why Choose FlexiPCB?

Fast Lead Time

Standard delivery in 3-6 days. Expedited options available in 2-4 days for urgent projects.

Design Support

Free DFM review and expert guidance on flex circuit design, material selection, and bend radius optimization.

Quality Certified

ISO 9001, ISO 13485, IATF 16949, and UL certified. 100% AOI inspection and flying probe testing.

Factory Direct Pricing

Competitive pricing from our 15,000m² manufacturing facility with transparent quotes and no hidden fees.

Flex PCB Manufacturing Process

Watch our precision flex PCB depaneling process in action

Flex Printed Board Depaneling

High-precision flexible PCB depaneling and separation process

Explore Our Other Services

Discover our complete range of flex PCB manufacturing and assembly services