The 4 layer flexible PCB prototype from PCBSYNC delivers advanced multilayer interconnectivity for complex, space-constrained electronic designs. Built to withstand continuous dynamic flexing and harsh environments, this multilayer flex circuit provides engineers and product developers with the structural integrity required for critical systems. By utilizing polyimide base materials and precision copper weights, this prototype ensures seamless signal integrity and robust mechanical performance in applications where rigid boards fail.
Key Features
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IPC-6013 Class 3 Compliant: Manufactured to meeting the rigorous quality standards for aerospace, military, and critical medical electronics.
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Multilayer Stackup: Advanced 4-layer construction utilizing high-grade polyimide (PI) base materials and acrylic/epoxy adhesiveless cores.
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Precision Trace and Space: Capable of ultra-fine line widths down to 0.05 mm ($2\text{ mil}$) to accommodate high-density pitch components.
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Surface Finishes: Available with Electroless Nickel Immersion Gold (ENIG), Immersion Silver, or OSP for superior solderability and oxidation resistance.
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Microvia Technology: Supports laser-drilled blind and buried vias down to 0.1 mm for complex routing layouts.
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Stiffeners and Shielding: Optional addition of FR4, polyimide, or aluminium stiffeners alongside EMI shielding films for targeted mechanical support.
Applications
This high-reliability 4 layer flexible PCB prototype is designed for challenging deployments across multiple advanced industries:
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Medical Electronics: Implantable devices, diagnostic imaging equipment, and patient monitoring sensors.
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Aerospace and Defence: Avionics systems, guidance controls, and satellite telemetry modules.
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Automotive Systems: Advanced Driver Assistance Systems (ADAS), battery management systems (BMS) in electric vehicles, and under-hood sensors.
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Industrial Automation: Robotics, high-flex automated machinery joints, and heavy-duty instrumentation.
Why Choose PCBSYNC
PCBSYNC is a professional PCB fabrication, PCBA, and EMS manufacturer delivering precision-built electronics for aerospace, medical, automotive, industrial, and smart energy applications. We handle everything from rapid prototyping to mass production — including rigid, flexible, and rigid-flex PCBs, full turnkey assembly, component sourcing, AOI and X-ray inspection, and OEM/ODM support. Reliable boards. Consistent quality. From prototype to production — PCBSYNC.
Request a Quote
Accelerate your development cycle with a reliable Flexible PCB prototype that bridges the gap between design and volume manufacturing. Contact the engineering team at PCBSYNC today to submit your Gerber files and request a comprehensive technical review and quotation.
