Engineering Precision. Built to Flex.
The PCBSync 6-Layer Rigid-Flex PCB with Immersion Silver finish represents the pinnacle of modern circuit board engineering — combining the structural reliability of rigid PCBs with the dynamic versatility of flexible substrates, all wrapped in a premium surface treatment built for longevity.
Advanced 6-Layer Architecture Designed for high-density, high-performance applications, this board features six meticulously engineered signal layers that maximize routing capacity while minimizing electromagnetic interference. Whether you’re developing compact wearables, aerospace instrumentation, or medical imaging devices, the multi-layer stackup delivers superior signal integrity and controlled impedance across the entire board.
Rigid-Flex Construction The hybrid rigid-flex design eliminates the need for traditional board-to-board connectors and ribbon cables, dramatically reducing assembly complexity, weight, and potential failure points. Flexible zones conform to three-dimensional product geometries, enabling innovative form factors that rigid boards simply cannot achieve. Each flex region is reinforced with precision-cut polyimide layers for durability through thousands of bend cycles.
Immersion Silver Surface Finish The RoHS-compliant Immersion Silver (ImAg) finish provides an ultra-flat, highly solderable surface ideal for fine-pitch components and high-frequency signal paths. Unlike HASL finishes, Immersion Silver delivers consistent coplanarity across all pads, ensuring reliable solder joints in automated SMT assembly processes. It also offers excellent electrical conductivity and superior shelf life when stored under recommended conditions.
Key Specifications at a Glance
- Layer count: 6 (mixed rigid-flex stackup)
- Surface finish: Immersion Silver (ImAg)
- Base material: FR4 + Polyimide
- Min. trace/space: 3mil/3mil
- Operating temperature: -40°C to +130°C
- IPC Class 2 & Class 3 compliant
PCBSync’s rigorous quality control and advanced fabrication processes ensure every board meets exact design specifications — delivering consistency, performance, and reliability your product demands.