Leave Your Message
Standard PCB_bot (2)

Flexible PCB

Unleash the Potential of Bendable Electronics

Unleash the Potential of Bendable Electronics

Your One-Stop Solution for Flexible PCB Manufacturing

Empowering Innovation with Flexible PCBs at STHL
In the rapidly evolving world of electronics, flexibility and adaptability are key. At STHL, we specialize in Flexible PCB solutions, designed to bring your innovative ideas to life with precision and reliability. Our state-of-the-art facilities and extensive experience ensure that your Flexible PCB needs are met with the highest standards of quality and efficiency.

Here's a breakdown of our core servicesWhat is a Flexible PCB?

A Flexible Printed Circuit Board (PCB) is an electronic assembly constructed on a thin, pliable substrate film, which incorporates copper traces for transmitting electrical power and signals across its surface. This foundational layer can be contorted or wrapped around components to conform to confined or irregularly shaped areas, offering adaptability unmatched by conventional rigid boards.

Unlike rigid PCBs that utilize a solid, inflexible base material to maintain structural integrity under mechanical stress, flexible variants bend effortlessly with movement or compact installations. Their design eliminates the need for bulky connectors and wiring harnesses, thereby reducing overall weight and simplifying assembly processes.

The core materials typically include polyimide or polyester films as substrates, bonded with copper foil using specialized adhesives; a protective coverlay shields the conductive traces while preserving flexibility. Stiffeners may be incorporated to anchor components, and insulating films enhance durability, with layer configurations tailored to balance pliability and robustness.

These boards are prevalent in applications such as cameras, smartphones, wearable technology, and sensors, serving critical roles in medical imaging devices, smart eyewear, and unmanned aerial vehicles. Automotive industries integrate them into dashboards and monitoring systems, while aerospace and satellite sectors leverage their lightweight, bendable properties; they are equally indispensable in dynamic robotic mechanisms.

The STHL Advantage for Flexible PCB Solutions‌

‌End-to-End Manufacturing Expertise‌

Our vertically integrated facility delivers true turnkey service - from initial design validation and component procurement to precision fabrication, assembly, and rigorous performance testing. This seamless integration eliminates supply chain bottlenecks, typically reducing project timelines by 30-45% while maintaining cost efficiency.

‌Accelerated Production Cycles‌

Where competitors measure lead times in months, our automated production lines and engineering team with 19+ years average experience deliver functional prototypes in as few as 5 business days, and production volumes within 2-3 weeks. This compressed schedule gives you more iterations for design optimization before market launch.

‌Certified Quality Assurance‌

Every flexible circuit undergoes 37-point inspection against IPC-6013 Class 3 standards, backed by our IATF 16949 (automotive), ISO13485 (medical), and ISO9001 certified quality management systems. Our 0.08% defect rate industry-leading.

Optimized Cost Structure‌

Leveraging strategic partnerships with raw material suppliers and our proprietary manufacturing techniques, we achieve 15-20% cost savings versus traditional suppliers - benefits we pass directly to clients across prototype to production volumes.

Our Flexible PCB Capabilities

PCB Fabrication Capabilities

Feature

Capability

Quality Grade

Standard IPC 2

Number of Layers

1 - 8layers

Order Quantity

1pc - 10000+pcs

Build Time

2days - 5weeks

Material

DuPont PI, Domestic Shengyi PI

Board Size

Min 6*6mm, Max 406*610mm

Board Thickness

0.1mm - 0.8mm

Copper Weight (Finished)

0.5oz - 2.0oz

Min Tracing/Spacing

3mil/3mil

Solder Mask Sides

As per the file

Solder Mask Color

Green, White, Blue, Black, Red, Yellow

Solder-stop coating---Soldermask oil

Green, White, Blue, Black, Red, Yellow

Solder-stop coating---Coverlay

PI and PET film

Silkscreen Sides

As per the file

Silkscreen Color

White, Black, Yellow

Surface Finish

HASL - Hot air solder leveling
Lead - free HASL - RoHS
ENIG - RoHS
Immersion Tin - RoHS
OSP - RoHS

Min Annular Ring

4mil

Min Drilling Hole Diameter

8mil

Min. hole size---Drilling (PTH)

0.2mil

Min. hole size---Punching (NPTH)

0.5mil

Tolerance of dimension

±0.05mm

Other Techniques

Peelable solder mask
Gold fingers
Stiffener (only for PI/FR4 substrate)

‌Flexible PCB Instant Quotation Service‌

Bring your bendable circuit board concepts to production faster with our hassle-free quoting system. Submit your design files and BOM through our secure platform, and receive a comprehensive project quote with manufacturability analysis in just 48 hours - no commitments, just professional insights to move your project forward.