Rigid-Flex PCB Fabrication with Precision Lamination

Rigid-flex PCBs offer several key advantages: they enable compact, three-dimensional designs in space-constrained enclosures; they eliminate connectors and cables between separate boards, improving overall reliability; they reduce assembly weight and space requirements; and they support complex multilayer routing with up to 20 layers. These characteristics make them ideal for demanding applications in aerospace, medical devices, automotive systems, and telecommunications where space efficiency, flexibility, and high reliability are simultaneously required.

A rigid-flex PCB integrates both rigid and flexible circuit board sections into a single unit. Unlike standard PCBs, rigid-flex boards can be bent, folded, or shaped in three-dimensional space, enabling compact designs in constrained enclosures. They eliminate connectors and cables between separate boards, improving reliability and reducing assembly weight and space requirements.

SFX PCB uses Polyimide (PI) for the flexible sections and FR4 for the rigid sections. Advanced configurations may also incorporate Rogers materials for high-frequency applications. Substrate brands include Shengyi, DuPont, Taiflex, Boyu, and ITEQ, ensuring compliance with performance and environmental standards required by demanding industries.

SFX PCB's rigid-flex boards support up to 20 total layers, with the flexible (FPC) sections supporting up to 12 layers independently. This enables highly complex multilayer routing for applications in aerospace, medical devices, telecommunications, and advanced consumer electronics where high interconnection density is critical.

All rigid-flex PCBs are manufactured under ISO 9001:2015 and ISO 14001:2015 certified quality systems. Boards comply with IPC Class II standards as a minimum, with Class III available for mission-critical applications. Testing includes AOI, flying probe electrical testing, impedance testing, solderability evaluation, and dimensional inspection. Every bare board undergoes 100% electrical testing and AOI before shipment.

Available surface treatments include ENIG (Electroless Nickel Immersion Gold), OSP (Organic Solderability Preservative), HAL Lead-free (HASL), Immersion Silver, Immersion Tin, ENEPIG, Soft Gold, and Hard Gold Plating. Each finish offers different trade-offs in solderability, shelf life, and electrical performance depending on the application.

Submit your Gerber files, PCB stack-up requirements, layer count, material preferences, and quantity via SFX PCB's online enquiry form or email at info@sfxpcb.com. A detailed stack-up design and pricing quotation will be returned within 8 hours. WhatsApp support is also available for urgent inquiries.